#1008
Se dau n numere naturale, un n este un pătrat perfect. Să se construiască în memorie o matrice pătratică cu toate cele n numere, în spirală, în sens invers acelor de ceas astfel: pe prima coloană, începând cu linia 1, se vor trece primele elemente din şir (de sus în jos), apoi pe ultima linie, începând de la prima coloană până la ultima (de la stânga la dreapta), apoi pe ultima coloană, de la ultima linie la prima (de jos în sus), apoi pe prima linie, de la ultima coloană la prima (de la dreapta la stânga) şamd.
| Problema | Spirala1 | Operații I/O |
spirala1.in/spirala1.out
|
|---|---|---|---|
| Limita timp | 0.1 secunde | Limita memorie |
Total: 64 MB
/
Stivă 8 MB
|
| Id soluție | #64374080 | Utilizator | |
| Fișier | spirala1.cpp | Dimensiune | 668 B |
| Data încărcării | 04 Mai 2026, 10:32 | Scor/rezultat | Eroare de compilare |
spirala1.cpp: In function ‘int main()’: spirala1.cpp:13:16: error: no match for ‘operator<<’ (operand types are ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} and ‘int’) 13 | cin<<a[j][p]<<' '; | ~~~^~~~~~~~~ | | | | | int | std::ifstream {aka std::basic_ifstream<char>} spirala1.cpp:13:16: note: candidate: ‘operator<<(int, int)’ (built-in) 13 | cin<<a[j][p]<<' '; | ~~~^~~~~~~~~ spirala1.cpp:13:16: note: no known conversion for argument 1 from ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} to ‘int’ In file included from /usr/include/c++/13/string:54, from /usr/include/c++/13/bits/locale_classes.h:40, from /usr/include/c++/13/bits/ios_base.h:41, from /usr/include/c++/13/ios:44, from /usr/include/c++/13/istream:40, from /usr/include/c++/13/fstream:40, from spirala1.cpp:1: /usr/include/c++/13/bits/basic_string.h:4032:5: note: candidate: ‘template<class _CharT, class _Traits, class _Alloc> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const __cxx11::basic_string<_CharT, _Traits, _Alloc>&)’ 4032 | operator<<(basic_ostream<_CharT, _Traits>& __os, | ^~~~~~~~ /usr/include/c++/13/bits/basic_string.h:4032:5: note: template argument deduction/substitution failed: spirala1.cpp:13:24: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<_CharT, _Traits>’ 13 | cin<<a[j][p]<<' '; | ^ In file included from /usr/include/c++/13/bits/ios_base.h:46: /usr/include/c++/13/system_error:339:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const error_code&)’ 339 | operator<<(basic_ostream<_CharT, _Traits>& __os, const error_code& __e) | ^~~~~~~~ /usr/include/c++/13/system_error:339:5: note: template argument deduction/substitution failed: spirala1.cpp:13:24: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<_CharT, _Traits>’ 13 | cin<<a[j][p]<<' '; | ^ In file included from /usr/include/c++/13/istream:41: /usr/include/c++/13/ostream:554:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, _CharT)’ 554 | operator<<(basic_ostream<_CharT, _Traits>& __out, _CharT __c) | ^~~~~~~~ /usr/include/c++/13/ostream:554:5: note: template argument deduction/substitution failed: spirala1.cpp:13:24: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<_CharT, _Traits>’ 13 | cin<<a[j][p]<<' '; | ^ /usr/include/c++/13/ostream:564:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, char)’ 564 | operator<<(basic_ostream<_CharT, _Traits>& __out, char __c) | ^~~~~~~~ /usr/include/c++/13/ostream:564:5: note: template argument deduction/substitution failed: spirala1.cpp:13:24: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<_CharT, _Traits>’ 13 | cin<<a[j][p]<<' '; | ^ /usr/include/c++/13/ostream:570:5: note: candidate: ‘template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, char)’ 570 | operator<<(basic_ostream<char, _Traits>& __out, char __c) | ^~~~~~~~ /usr/include/c++/13/ostream:570:5: note: template argument deduction/substitution failed: spirala1.cpp:13:24: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<char, _Traits>’ 13 | cin<<a[j][p]<<' '; | ^ /usr/include/c++/13/ostream:581:5: note: candidate: ‘template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, signed char)’ 581 | operator<<(basic_ostream<char, _Traits>& __out, signed char __c) | ^~~~~~~~ /usr/include/c++/13/ostream:581:5: note: template argument deduction/substitution failed: spirala1.cpp:13:24: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<char, _Traits>’ 13 | cin<<a[j][p]<<' '; | ^ /usr/include/c++/13/ostream:586:5: note: candidate: ‘template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, unsigned char)’ 586 | operator<<(basic_ostream<char, _Traits>& __out, unsigned char __c) | ^~~~~~~~ /usr/include/c++/13/ostream:586:5: note: template argument deduction/substitution failed: spirala1.cpp:13:24: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<char, _Traits>’ 13 | cin<<a[j][p]<<' '; | ^ /usr/include/c++/13/ostream:645:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const _CharT*)’ 645 | operator<<(basic_ostream<_CharT, _Traits>& __out, const _CharT* __s) | ^~~~~~~~ /usr/include/c++/13/ostream:645:5: note: template argument deduction/substitution failed: spirala1.cpp:13:24: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<_CharT, _Traits>’ 13 | cin<<a[j][p]<<' '; | ^ In file included from /usr/include/c++/13/ostream:880: /usr/include/c++/13/bits/ostream.tcc:307:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const char*)’ 307 | operator<<(basic_ostream<_CharT, _Traits>& __out, const char* __s) | ^~~~~~~~ /usr/include/c++/13/bits/ostream.tcc:307:5: note: template argument deduction/substitution failed: spirala1.cpp:13:24: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<_CharT, _Traits>’ 13 | cin<<a[j][p]<<' '; | ^ /usr/include/c++/13/ostream:662:5: note: candidate: ‘template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, const char*)’ 662 | operator<<(basic_ostream<char, _Traits>& __out, const char* __s) | ^~~~~~~~ /usr/include/c++/13/ostream:662:5: note: template argument deduction/substitution failed: spirala1.cpp:13:24: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<char, _Traits>’ 13 | cin<<a[j][p]<<' '; | ^ /usr/include/c++/13/ostream:675:5: note: candidate: ‘template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, const signed char*)’ 675 | operator<<(basic_ostream<char, _Traits>& __out, const signed char* __s) | ^~~~~~~~ /usr/include/c++/13/ostream:675:5: note: template argument deduction/substitution failed: spirala1.cpp:13:24: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<char, _Traits>’ 13 | cin<<a[j][p]<<' '; | ^ /usr/include/c++/13/ostream:680:5: note: candidate: ‘template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, const unsigned char*)’ 680 | operator<<(basic_ostream<char, _Traits>& __out, const unsigned char* __s) | ^~~~~~~~ /usr/include/c++/13/ostream:680:5: note: template argument deduction/substitution failed: spirala1.cpp:13:24: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<char, _Traits>’ 13 | cin<<a[j][p]<<' '; | ^ /usr/include/c++/13/ostream:801:5: note: candidate: ‘template<class _Ostream, class _Tp> _Ostream&& std::operator<<(_Ostream&&, const _Tp&)’ 801 | operator<<(_Ostream&& __os, const _Tp& __x) | ^~~~~~~~ /usr/include/c++/13/ostream:801:5: note: template argument deduction/substitution failed: /usr/include/c++/13/ostream: In substitution of ‘template<class _Ostream, class _Tp> _Ostream&& std::operator<<(_Ostream&&, const _Tp&) [with _Ostream = std::basic_ifstream<char>&; _Tp = int]’: spirala1.cpp:13:24: required from here /usr/include/c++/13/ostream:801:5: error: no type named ‘type’ in ‘struct std::enable_if<false, void>’ spirala1.cpp:15:16: error: no match for ‘operator<<’ (operand types are ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} and ‘int’) 15 | cin<<a[n+1-p][i]<<' '; | ~~~^~~~~~~~~~~~~ | | | | | int | std::ifstream {aka std::basic_ifstream<char>} spirala1.cpp:15:16: note: candidate: ‘operator<<(int, int)’ (built-in) 15 | cin<<a[n+1-p][i]<<' '; | ~~~^~~~~~~~~~~~~ spirala1.cpp:15:16: note: no known conversion for argument 1 from ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} to ‘int’ /usr/include/c++/13/bits/basic_string.h:4032:5: note: candidate: ‘template<class _CharT, class _Traits, class _Alloc> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const __cxx11::basic_string<_CharT, _Traits, _Alloc>&)’ 4032 | operator<<(basic_ostream<_CharT, _Traits>& __os, | ^~~~~~~~ /usr/include/c++/13/bits/basic_string.h:4032:5: note: template argument deduction/substitution failed: spirala1.cpp:15:28: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<_CharT, _Traits>’ 15 | cin<<a[n+1-p][i]<<' '; | ^ /usr/include/c++/13/system_error:339:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const error_code&)’ 339 | operator<<(basic_ostream<_CharT, _Traits>& __os, const error_code& __e) | ^~~~~~~~ /usr/include/c++/13/system_error:339:5: note: template argument deduction/substitution failed: spirala1.cpp:15:28: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<_CharT, _Traits>’ 15 | cin<<a[n+1-p][i]<<' '; | ^ /usr/include/c++/13/ostream:554:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, _CharT)’ 554 | operator<<(basic_ostream<_CharT, _Traits>& __out, _CharT __c) | ^~~~~~~~ /usr/include/c++/13/ostream:554:5: note: template argument deduction/substitution failed: spirala1.cpp:15:28: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<_CharT, _Traits>’ 15 | cin<<a[n+1-p][i]<<' '; | ^ /usr/include/c++/13/ostream:564:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, char)’ 564 | operator<<(basic_ostream<_CharT, _Traits>& __out, char __c) | ^~~~~~~~ /usr/include/c++/13/ostream:564:5: note: template argument deduction/substitution failed: spirala1.cpp:15:28: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<_CharT, _Traits>’ 15 | cin<<a[n+1-p][i]<<' '; | ^ /usr/include/c++/13/ostream:570:5: note: candidate: ‘template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, char)’ 570 | operator<<(basic_ostream<char, _Traits>& __out, char __c) | ^~~~~~~~ /usr/include/c++/13/ostream:570:5: note: template argument deduction/substitution failed: spirala1.cpp:15:28: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<char, _Traits>’ 15 | cin<<a[n+1-p][i]<<' '; | ^ /usr/include/c++/13/ostream:581:5: note: candidate: ‘template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, signed char)’ 581 | operator<<(basic_ostream<char, _Traits>& __out, signed char __c) | ^~~~~~~~ /usr/include/c++/13/ostream:581:5: note: template argument deduction/substitution failed: spirala1.cpp:15:28: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<char, _Traits>’ 15 | cin<<a[n+1-p][i]<<' '; | ^ /usr/include/c++/13/ostream:586:5: note: candidate: ‘template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, unsigned char)’ 586 | operator<<(basic_ostream<char, _Traits>& __out, unsigned char __c) | ^~~~~~~~ /usr/include/c++/13/ostream:586:5: note: template argument deduction/substitution failed: spirala1.cpp:15:28: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<char, _Traits>’ 15 | cin<<a[n+1-p][i]<<' '; | ^ /usr/include/c++/13/ostream:645:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const _CharT*)’ 645 | operator<<(basic_ostream<_CharT, _Traits>& __out, const _CharT* __s) | ^~~~~~~~ /usr/include/c++/13/ostream:645:5: note: template argument deduction/substitution failed: spirala1.cpp:15:28: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<_CharT, _Traits>’ 15 | cin<<a[n+1-p][i]<<' '; | ^ /usr/include/c++/13/bits/ostream.tcc:307:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const char*)’ 307 | operator<<(basic_ostream<_CharT, _Traits>& __out, const char* __s) | ^~~~~~~~ /usr/include/c++/13/bits/ostream.tcc:307:5: note: template argument deduction/substitution failed: spirala1.cpp:15:28: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<_CharT, _Traits>’ 15 | cin<<a[n+1-p][i]<<' '; | ^ /usr/include/c++/13/ostream:662:5: note: candidate: ‘template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, const char*)’ 662 | operator<<(basic_ostream<char, _Traits>& __out, const char* __s) | ^~~~~~~~ /usr/include/c++/13/ostream:662:5: note: template argument deduction/substitution failed: spirala1.cpp:15:28: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<char, _Traits>’ 15 | cin<<a[n+1-p][i]<<' '; | ^ /usr/include/c++/13/ostream:675:5: note: candidate: ‘template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, const signed char*)’ 675 | operator<<(basic_ostream<char, _Traits>& __out, const signed char* __s) | ^~~~~~~~ /usr/include/c++/13/ostream:675:5: note: template argument deduction/substitution failed: spirala1.cpp:15:28: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<char, _Traits>’ 15 | cin<<a[n+1-p][i]<<' '; | ^ /usr/include/c++/13/ostream:680:5: note: candidate: ‘template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, const unsigned char*)’ 680 | operator<<(basic_ostream<char, _Traits>& __out, const unsigned char* __s) | ^~~~~~~~ /usr/include/c++/13/ostream:680:5: note: template argument deduction/substitution failed: spirala1.cpp:15:28: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<char, _Traits>’ 15 | cin<<a[n+1-p][i]<<' '; | ^ /usr/include/c++/13/ostream:801:5: note: candidate: ‘template<class _Ostream, class _Tp> _Ostream&& std::operator<<(_Ostream&&, const _Tp&)’ 801 | operator<<(_Ostream&& __os, const _Tp& __x) | ^~~~~~~~ /usr/include/c++/13/ostream:801:5: note: template argument deduction/substitution failed: /usr/include/c++/13/ostream: In substitution of ‘template<class _Ostream, class _Tp> _Ostream&& std::operator<<(_Ostream&&, const _Tp&) [with _Ostream = std::basic_ifstream<char>&; _Tp = int]’: spirala1.cpp:15:28: required from here /usr/include/c++/13/ostream:801:5: error: no type named ‘type’ in ‘struct std::enable_if<false, void>’ spirala1.cpp:17:16: error: no match for ‘operator<<’ (operand types are ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} and ‘int’) 17 | cin<<a[j][n+1-p]<<' '; | ~~~^~~~~~~~~~~~~ | | | | | int | std::ifstream {aka std::basic_ifstream<char>} spirala1.cpp:17:16: note: candidate: ‘operator<<(int, int)’ (built-in) 17 | cin<<a[j][n+1-p]<<' '; | ~~~^~~~~~~~~~~~~ spirala1.cpp:17:16: note: no known conversion for argument 1 from ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} to ‘int’ /usr/include/c++/13/bits/basic_string.h:4032:5: note: candidate: ‘template<class _CharT, class _Traits, class _Alloc> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const __cxx11::basic_string<_CharT, _Traits, _Alloc>&)’ 4032 | operator<<(basic_ostream<_CharT, _Traits>& __os, | ^~~~~~~~ /usr/include/c++/13/bits/basic_string.h:4032:5: note: template argument deduction/substitution failed: spirala1.cpp:17:28: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<_CharT, _Traits>’ 17 | cin<<a[j][n+1-p]<<' '; | ^ /usr/include/c++/13/system_error:339:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const error_code&)’ 339 | operator<<(basic_ostream<_CharT, _Traits>& __os, const error_code& __e) | ^~~~~~~~ /usr/include/c++/13/system_error:339:5: note: template argument deduction/substitution failed: spirala1.cpp:17:28: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<_CharT, _Traits>’ 17 | cin<<a[j][n+1-p]<<' '; | ^ /usr/include/c++/13/ostream:554:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, _CharT)’ 554 | operator<<(basic_ostream<_CharT, _Traits>& __out, _CharT __c) | ^~~~~~~~ /usr/include/c++/13/ostream:554:5: note: template argument deduction/substitution failed: spirala1.cpp:17:28: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<_CharT, _Traits>’ 17 | cin<<a[j][n+1-p]<<' '; | ^ /usr/include/c++/13/ostream:564:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, char)’ 564 | operator<<(basic_ostream<_CharT, _Traits>& __out, char __c) | ^~~~~~~~ /usr/include/c++/13/ostream:564:5: note: template argument deduction/substitution failed: spirala1.cpp:17:28: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<_CharT, _Traits>’ 17 | cin<<a[j][n+1-p]<<' '; | ^ /usr/include/c++/13/ostream:570:5: note: candidate: ‘template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, char)’ 570 | operator<<(basic_ostream<char, _Traits>& __out, char __c) | ^~~~~~~~ /usr/include/c++/13/ostream:570:5: note: template argument deduction/substitution failed: spirala1.cpp:17:28: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<char, _Traits>’ 17 | cin<<a[j][n+1-p]<<' '; | ^ /usr/include/c++/13/ostream:581:5: note: candidate: ‘template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, signed char)’ 581 | operator<<(basic_ostream<char, _Traits>& __out, signed char __c) | ^~~~~~~~ /usr/include/c++/13/ostream:581:5: note: template argument deduction/substitution failed: spirala1.cpp:17:28: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<char, _Traits>’ 17 | cin<<a[j][n+1-p]<<' '; | ^ /usr/include/c++/13/ostream:586:5: note: candidate: ‘template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, unsigned char)’ 586 | operator<<(basic_ostream<char, _Traits>& __out, unsigned char __c) | ^~~~~~~~ /usr/include/c++/13/ostream:586:5: note: template argument deduction/substitution failed: spirala1.cpp:17:28: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<char, _Traits>’ 17 | cin<<a[j][n+1-p]<<' '; | ^ /usr/include/c++/13/ostream:645:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const _CharT*)’ 645 | operator<<(basic_ostream<_CharT, _Traits>& __out, const _CharT* __s) | ^~~~~~~~ /usr/include/c++/13/ostream:645:5: note: template argument deduction/substitution failed: spirala1.cpp:17:28: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<_CharT, _Traits>’ 17 | cin<<a[j][n+1-p]<<' '; | ^ /usr/include/c++/13/bits/ostream.tcc:307:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const char*)’ 307 | operator<<(basic_ostream<_CharT, _Traits>& __out, const char* __s) | ^~~~~~~~ /usr/include/c++/13/bits/ostream.tcc:307:5: note: template argument deduction/substitution failed: spirala1.cpp:17:28: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<_CharT, _Traits>’ 17 | cin<<a[j][n+1-p]<<' '; | ^ /usr/include/c++/13/ostream:662:5: note: candidate: ‘template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, const char*)’ 662 | operator<<(basic_ostream<char, _Traits>& __out, const char* __s) | ^~~~~~~~ /usr/include/c++/13/ostream:662:5: note: template argument deduction/substitution failed: spirala1.cpp:17:28: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<char, _Traits>’ 17 | cin<<a[j][n+1-p]<<' '; | ^ /usr/include/c++/13/ostream:675:5: note: candidate: ‘template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, const signed char*)’ 675 | operator<<(basic_ostream<char, _Traits>& __out, const signed char* __s) | ^~~~~~~~ /usr/include/c++/13/ostream:675:5: note: template argument deduction/substitution failed: spirala1.cpp:17:28: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<char, _Traits>’ 17 | cin<<a[j][n+1-p]<<' '; | ^ /usr/include/c++/13/ostream:680:5: note: candidate: ‘template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, const unsigned char*)’ 680 | operator<<(basic_ostream<char, _Traits>& __out, const unsigned char* __s) | ^~~~~~~~ /usr/include/c++/13/ostream:680:5: note: template argument deduction/substitution failed: spirala1.cpp:17:28: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<char, _Traits>’ 17 | cin<<a[j][n+1-p]<<' '; | ^ /usr/include/c++/13/ostream:801:5: note: candidate: ‘template<class _Ostream, class _Tp> _Ostream&& std::operator<<(_Ostream&&, const _Tp&)’ 801 | operator<<(_Ostream&& __os, const _Tp& __x) | ^~~~~~~~ /usr/include/c++/13/ostream:801:5: note: template argument deduction/substitution failed: /usr/include/c++/13/ostream: In substitution of ‘template<class _Ostream, class _Tp> _Ostream&& std::operator<<(_Ostream&&, const _Tp&) [with _Ostream = std::basic_ifstream<char>&; _Tp = int]’: spirala1.cpp:17:28: required from here /usr/include/c++/13/ostream:801:5: error: no type named ‘type’ in ‘struct std::enable_if<false, void>’ spirala1.cpp:19:16: error: no match for ‘operator<<’ (operand types are ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} and ‘int’) 19 | cin<<a[p][i]<<' '; | ~~~^~~~~~~~~ | | | | | int | std::ifstream {aka std::basic_ifstream<char>} spirala1.cpp:19:16: note: candidate: ‘operator<<(int, int)’ (built-in) 19 | cin<<a[p][i]<<' '; | ~~~^~~~~~~~~ spirala1.cpp:19:16: note: no known conversion for argument 1 from ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} to ‘int’ /usr/include/c++/13/bits/basic_string.h:4032:5: note: candidate: ‘template<class _CharT, class _Traits, class _Alloc> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const __cxx11::basic_string<_CharT, _Traits, _Alloc>&)’ 4032 | operator<<(basic_ostream<_CharT, _Traits>& __os, | ^~~~~~~~ /usr/include/c++/13/bits/basic_string.h:4032:5: note: template argument deduction/substitution failed: spirala1.cpp:19:24: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<_CharT, _Traits>’ 19 | cin<<a[p][i]<<' '; | ^ /usr/include/c++/13/system_error:339:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const error_code&)’ 339 | operator<<(basic_ostream<_CharT, _Traits>& __os, const error_code& __e) | ^~~~~~~~ /usr/include/c++/13/system_error:339:5: note: template argument deduction/substitution failed: spirala1.cpp:19:24: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<_CharT, _Traits>’ 19 | cin<<a[p][i]<<' '; | ^ /usr/include/c++/13/ostream:554:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, _CharT)’ 554 | operator<<(basic_ostream<_CharT, _Traits>& __out, _CharT __c) | ^~~~~~~~ /usr/include/c++/13/ostream:554:5: note: template argument deduction/substitution failed: spirala1.cpp:19:24: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<_CharT, _Traits>’ 19 | cin<<a[p][i]<<' '; | ^ /usr/include/c++/13/ostream:564:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, char)’ 564 | operator<<(basic_ostream<_CharT, _Traits>& __out, char __c) | ^~~~~~~~ /usr/include/c++/13/ostream:564:5: note: template argument deduction/substitution failed: spirala1.cpp:19:24: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<_CharT, _Traits>’ 19 | cin<<a[p][i]<<' '; | ^ /usr/include/c++/13/ostream:570:5: note: candidate: ‘template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, char)’ 570 | operator<<(basic_ostream<char, _Traits>& __out, char __c) | ^~~~~~~~ /usr/include/c++/13/ostream:570:5: note: template argument deduction/substitution failed: spirala1.cpp:19:24: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<char, _Traits>’ 19 | cin<<a[p][i]<<' '; | ^ /usr/include/c++/13/ostream:581:5: note: candidate: ‘template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, signed char)’ 581 | operator<<(basic_ostream<char, _Traits>& __out, signed char __c) | ^~~~~~~~ /usr/include/c++/13/ostream:581:5: note: template argument deduction/substitution failed: spirala1.cpp:19:24: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<char, _Traits>’ 19 | cin<<a[p][i]<<' '; | ^ /usr/include/c++/13/ostream:586:5: note: candidate: ‘template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, unsigned char)’ 586 | operator<<(basic_ostream<char, _Traits>& __out, unsigned char __c) | ^~~~~~~~ /usr/include/c++/13/ostream:586:5: note: template argument deduction/substitution failed: spirala1.cpp:19:24: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<char, _Traits>’ 19 | cin<<a[p][i]<<' '; | ^ /usr/include/c++/13/ostream:645:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const _CharT*)’ 645 | operator<<(basic_ostream<_CharT, _Traits>& __out, const _CharT* __s) | ^~~~~~~~ /usr/include/c++/13/ostream:645:5: note: template argument deduction/substitution failed: spirala1.cpp:19:24: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<_CharT, _Traits>’ 19 | cin<<a[p][i]<<' '; | ^ /usr/include/c++/13/bits/ostream.tcc:307:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const char*)’ 307 | operator<<(basic_ostream<_CharT, _Traits>& __out, const char* __s) | ^~~~~~~~ /usr/include/c++/13/bits/ostream.tcc:307:5: note: template argument deduction/substitution failed: spirala1.cpp:19:24: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<_CharT, _Traits>’ 19 | cin<<a[p][i]<<' '; | ^ /usr/include/c++/13/ostream:662:5: note: candidate: ‘template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, const char*)’ 662 | operator<<(basic_ostream<char, _Traits>& __out, const char* __s) | ^~~~~~~~ /usr/include/c++/13/ostream:662:5: note: template argument deduction/substitution failed: spirala1.cpp:19:24: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<char, _Traits>’ 19 | cin<<a[p][i]<<' '; | ^ /usr/include/c++/13/ostream:675:5: note: candidate: ‘template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, const signed char*)’ 675 | operator<<(basic_ostream<char, _Traits>& __out, const signed char* __s) | ^~~~~~~~ /usr/include/c++/13/ostream:675:5: note: template argument deduction/substitution failed: spirala1.cpp:19:24: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<char, _Traits>’ 19 | cin<<a[p][i]<<' '; | ^ /usr/include/c++/13/ostream:680:5: note: candidate: ‘template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, const unsigned char*)’ 680 | operator<<(basic_ostream<char, _Traits>& __out, const unsigned char* __s) | ^~~~~~~~ /usr/include/c++/13/ostream:680:5: note: template argument deduction/substitution failed: spirala1.cpp:19:24: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<char, _Traits>’ 19 | cin<<a[p][i]<<' '; | ^ /usr/include/c++/13/ostream:801:5: note: candidate: ‘template<class _Ostream, class _Tp> _Ostream&& std::operator<<(_Ostream&&, const _Tp&)’ 801 | operator<<(_Ostream&& __os, const _Tp& __x) | ^~~~~~~~ /usr/include/c++/13/ostream:801:5: note: template argument deduction/substitution failed: /usr/include/c++/13/ostream: In substitution of ‘template<class _Ostream, class _Tp> _Ostream&& std::operator<<(_Ostream&&, const _Tp&) [with _Ostream = std::basic_ifstream<char>&; _Tp = int]’: spirala1.cpp:19:24: required from here /usr/include/c++/13/ostream:801:5: error: no type named ‘type’ in ‘struct std::enable_if<false, void>’ spirala1.cpp:21:16: error: no match for ‘operator<<’ (operand types are ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} and ‘int’) 21 | if(n%2) cin<<a[m+1][m+1]<<' '; | ~~~^~~~~~~~~~~~~ | | | | | int | std::ifstream {aka std::basic_ifstream<char>} spirala1.cpp:21:16: note: candidate: ‘operator<<(int, int)’ (built-in) 21 | if(n%2) cin<<a[m+1][m+1]<<' '; | ~~~^~~~~~~~~~~~~ spirala1.cpp:21:16: note: no known conversion for argument 1 from ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} to ‘int’ /usr/include/c++/13/bits/basic_string.h:4032:5: note: candidate: ‘template<class _CharT, class _Traits, class _Alloc> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const __cxx11::basic_string<_CharT, _Traits, _Alloc>&)’ 4032 | operator<<(basic_ostream<_CharT, _Traits>& __os, | ^~~~~~~~ /usr/include/c++/13/bits/basic_string.h:4032:5: note: template argument deduction/substitution failed: spirala1.cpp:21:28: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<_CharT, _Traits>’ 21 | if(n%2) cin<<a[m+1][m+1]<<' '; | ^ /usr/include/c++/13/system_error:339:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const error_code&)’ 339 | operator<<(basic_ostream<_CharT, _Traits>& __os, const error_code& __e) | ^~~~~~~~ /usr/include/c++/13/system_error:339:5: note: template argument deduction/substitution failed: spirala1.cpp:21:28: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<_CharT, _Traits>’ 21 | if(n%2) cin<<a[m+1][m+1]<<' '; | ^ /usr/include/c++/13/ostream:554:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, _CharT)’ 554 | operator<<(basic_ostream<_CharT, _Traits>& __out, _CharT __c) | ^~~~~~~~ /usr/include/c++/13/ostream:554:5: note: template argument deduction/substitution failed: spirala1.cpp:21:28: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<_CharT, _Traits>’ 21 | if(n%2) cin<<a[m+1][m+1]<<' '; | ^ /usr/include/c++/13/ostream:564:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, char)’ 564 | operator<<(basic_ostream<_CharT, _Traits>& __out, char __c) | ^~~~~~~~ /usr/include/c++/13/ostream:564:5: note: template argument deduction/substitution failed: spirala1.cpp:21:28: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<_CharT, _Traits>’ 21 | if(n%2) cin<<a[m+1][m+1]<<' '; | ^ /usr/include/c++/13/ostream:570:5: note: candidate: ‘template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, char)’ 570 | operator<<(basic_ostream<char, _Traits>& __out, char __c) | ^~~~~~~~ /usr/include/c++/13/ostream:570:5: note: template argument deduction/substitution failed: spirala1.cpp:21:28: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<char, _Traits>’ 21 | if(n%2) cin<<a[m+1][m+1]<<' '; | ^ /usr/include/c++/13/ostream:581:5: note: candidate: ‘template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, signed char)’ 581 | operator<<(basic_ostream<char, _Traits>& __out, signed char __c) | ^~~~~~~~ /usr/include/c++/13/ostream:581:5: note: template argument deduction/substitution failed: spirala1.cpp:21:28: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<char, _Traits>’ 21 | if(n%2) cin<<a[m+1][m+1]<<' '; | ^ /usr/include/c++/13/ostream:586:5: note: candidate: ‘template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, unsigned char)’ 586 | operator<<(basic_ostream<char, _Traits>& __out, unsigned char __c) | ^~~~~~~~ /usr/include/c++/13/ostream:586:5: note: template argument deduction/substitution failed: spirala1.cpp:21:28: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<char, _Traits>’ 21 | if(n%2) cin<<a[m+1][m+1]<<' '; | ^ /usr/include/c++/13/ostream:645:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const _CharT*)’ 645 | operator<<(basic_ostream<_CharT, _Traits>& __out, const _CharT* __s) | ^~~~~~~~ /usr/include/c++/13/ostream:645:5: note: template argument deduction/substitution failed: spirala1.cpp:21:28: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<_CharT, _Traits>’ 21 | if(n%2) cin<<a[m+1][m+1]<<' '; | ^ /usr/include/c++/13/bits/ostream.tcc:307:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(basic_ostream<_CharT, _Traits>&, const char*)’ 307 | operator<<(basic_ostream<_CharT, _Traits>& __out, const char* __s) | ^~~~~~~~ /usr/include/c++/13/bits/ostream.tcc:307:5: note: template argument deduction/substitution failed: spirala1.cpp:21:28: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<_CharT, _Traits>’ 21 | if(n%2) cin<<a[m+1][m+1]<<' '; | ^ /usr/include/c++/13/ostream:662:5: note: candidate: ‘template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, const char*)’ 662 | operator<<(basic_ostream<char, _Traits>& __out, const char* __s) | ^~~~~~~~ /usr/include/c++/13/ostream:662:5: note: template argument deduction/substitution failed: spirala1.cpp:21:28: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<char, _Traits>’ 21 | if(n%2) cin<<a[m+1][m+1]<<' '; | ^ /usr/include/c++/13/ostream:675:5: note: candidate: ‘template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, const signed char*)’ 675 | operator<<(basic_ostream<char, _Traits>& __out, const signed char* __s) | ^~~~~~~~ /usr/include/c++/13/ostream:675:5: note: template argument deduction/substitution failed: spirala1.cpp:21:28: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<char, _Traits>’ 21 | if(n%2) cin<<a[m+1][m+1]<<' '; | ^ /usr/include/c++/13/ostream:680:5: note: candidate: ‘template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(basic_ostream<char, _Traits>&, const unsigned char*)’ 680 | operator<<(basic_ostream<char, _Traits>& __out, const unsigned char* __s) | ^~~~~~~~ /usr/include/c++/13/ostream:680:5: note: template argument deduction/substitution failed: spirala1.cpp:21:28: note: ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} is not derived from ‘std::basic_ostream<char, _Traits>’ 21 | if(n%2) cin<<a[m+1][m+1]<<' '; | ^ /usr/include/c++/13/ostream:801:5: note: candidate: ‘template<class _Ostream, class _Tp> _Ostream&& std::operator<<(_Ostream&&, const _Tp&)’ 801 | operator<<(_Ostream&& __os, const _Tp& __x) | ^~~~~~~~ /usr/include/c++/13/ostream:801:5: note: template argument deduction/substitution failed: /usr/include/c++/13/ostream: In substitution of ‘template<class _Ostream, class _Tp> _Ostream&& std::operator<<(_Ostream&&, const _Tp&) [with _Ostream = std::basic_ifstream<char>&; _Tp = int]’: spirala1.cpp:21:28: required from here /usr/include/c++/13/ostream:801:5: error: no type named ‘type’ in ‘struct std::enable_if<false, void>’
www.pbinfo.ro permite evaluarea a două tipuri de probleme:
Problema Spirala1 face parte din prima categorie. Soluția propusă de tine va fi evaluată astfel:
Suma punctajelor acordate pe testele utilizate pentru verificare este 100. Astfel, soluția ta poate obține cel mult 100 de puncte, caz în care se poate considera corectă.