#4260
Folosind metoda Divide et Impera, scrieți funcția recursivă cu antetul
int NrXDivImp(int a[], int st, int dr, int x)
care primind ca parametri un vector a
de numere întregi și trei numere întregi st
, dr
și x
, returnează numărul de apariții ale numărului x
în vectorul secvența a[st], a[st+1], ..., a[dr]
.
Problema | NrXDivImp | Operații I/O |
![]() nrxdivimp.in /nrxdivimp.out
|
---|---|---|---|
Limita timp | 0.1 secunde | Limita memorie |
Total: 64 MB
/
Stivă 8 MB
|
Id soluție | #57659351 | Utilizator | |
Fișier | nrxdivimp.cpp | Dimensiune | 134 B |
Data încărcării | 09 Aprilie 2025, 13:00 | Scor / rezultat | Eroare de compilare |
nrxdivimp.cpp: In function 'void NrXDivImp(int*, int, int, int)': nrxdivimp.cpp:7:9: error: 'i' was not declared in this scope for(i=st;i<=dr;i++) ^ nrxdivimp.cpp:9:12: error: return-statement with a value, in function returning 'void' [-fpermissive] return nr; ^ nrxdivimp.cpp: In function 'int main()': nrxdivimp.cpp:20:10: error: no match for 'operator<<' (operand types are 'std::ofstream {aka std::basic_ofstream<char>}' and 'void') fout << NrXDivImp(a, st, dr, x) << "\n"; ^ nrxdivimp.cpp:20:10: note: candidates are: In file included from /usr/include/c++/4.8/istream:39:0, from /usr/include/c++/4.8/fstream:38, from nrxdivimp.cpp:1: /usr/include/c++/4.8/ostream:108:7: note: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(std::basic_ostream<_CharT, _Traits>::__ostream_type& (*)(std::basic_ostream<_CharT, _Traits>::__ostream_type&)) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>] operator<<(__ostream_type& (*__pf)(__ostream_type&)) ^ /usr/include/c++/4.8/ostream:108:7: note: no known conversion for argument 1 from 'void' to 'std::basic_ostream<char>::__ostream_type& (*)(std::basic_ostream<char>::__ostream_type&) {aka std::basic_ostream<char>& (*)(std::basic_ostream<char>&)}' /usr/include/c++/4.8/ostream:117:7: note: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(std::basic_ostream<_CharT, _Traits>::__ios_type& (*)(std::basic_ostream<_CharT, _Traits>::__ios_type&)) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>; std::basic_ostream<_CharT, _Traits>::__ios_type = std::basic_ios<char>] operator<<(__ios_type& (*__pf)(__ios_type&)) ^ /usr/include/c++/4.8/ostream:117:7: note: no known conversion for argument 1 from 'void' to 'std::basic_ostream<char>::__ios_type& (*)(std::basic_ostream<char>::__ios_type&) {aka std::basic_ios<char>& (*)(std::basic_ios<char>&)}' /usr/include/c++/4.8/ostream:127:7: note: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(std::ios_base& (*)(std::ios_base&)) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>] operator<<(ios_base& (*__pf) (ios_base&)) ^ /usr/include/c++/4.8/ostream:127:7: note: no known conversion for argument 1 from 'void' to 'std::ios_base& (*)(std::ios_base&)' /usr/include/c++/4.8/ostream:166:7: note: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long int) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>] operator<<(long __n) ^ /usr/include/c++/4.8/ostream:166:7: note: no known conversion for argument 1 from 'void' to 'long int' /usr/include/c++/4.8/ostream:170:7: note: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long unsigned int) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>] operator<<(unsigned long __n) ^ /usr/include/c++/4.8/ostream:170:7: note: no known conversion for argument 1 from 'void' to 'long unsigned int' /usr/include/c++/4.8/ostream:174:7: note: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(bool) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>] operator<<(bool __n) ^ /usr/include/c++/4.8/ostream:174:7: note: no known conversion for argument 1 from 'void' to 'bool' In file included from /usr/include/c++/4.8/ostream:612:0, from /usr/include/c++/4.8/istream:39, from /usr/include/c++/4.8/fstream:38, from nrxdivimp.cpp:1: /usr/include/c++/4.8/bits/ostream.tcc:91:5: note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(short int) [with _CharT = char; _Traits = std::char_traits<char>] basic_ostream<_CharT, _Traits>:: ^ /usr/include/c++/4.8/bits/ostream.tcc:91:5: note: no known conversion for argument 1 from 'void' to 'short int' In file included from /usr/include/c++/4.8/istream:39:0, from /usr/include/c++/4.8/fstream:38, from nrxdivimp.cpp:1: /usr/include/c++/4.8/ostream:181:7: note: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(short unsigned int) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>] operator<<(unsigned short __n) ^ /usr/include/c++/4.8/ostream:181:7: note: no known conversion for argument 1 from 'void' to 'short unsigned int' In file included from /usr/include/c++/4.8/ostream:612:0, from /usr/include/c++/4.8/istream:39, from /usr/include/c++/4.8/fstream:38, from nrxdivimp.cpp:1: /usr/include/c++/4.8/bits/ostream.tcc:105:5: note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(int) [with _CharT = char; _Traits = std::char_traits<char>] basic_ostream<_CharT, _Traits>:: ^ /usr/include/c++/4.8/bits/ostream.tcc:105:5: note: no known conversion for argument 1 from 'void' to 'int' In file included from /usr/include/c++/4.8/istream:39:0, from /usr/include/c++/4.8/fstream:38, from nrxdivimp.cpp:1: /usr/include/c++/4.8/ostream:192:7: note: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(unsigned int) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>] operator<<(unsigned int __n) ^ /usr/include/c++/4.8/ostream:192:7: note: no known conversion for argument 1 from 'void' to 'unsigned int' /usr/include/c++/4.8/ostream:201:7: note: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long long int) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>] operator<<(long long __n) ^ /usr/include/c++/4.8/ostream:201:7: note: no known conversion for argument 1 from 'void' to 'long long int' /usr/include/c++/4.8/ostream:205:7: note: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long long unsigned int) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>] operator<<(unsigned long long __n) ^ /usr/include/c++/4.8/ostream:205:7: note: no known conversion for argument 1 from 'void' to 'long long unsigned int' /usr/include/c++/4.8/ostream:220:7: note: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(double) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>] operator<<(double __f) ^ /usr/include/c++/4.8/ostream:220:7: note: no known conversion for argument 1 from 'void' to 'double' /usr/include/c++/4.8/ostream:224:7: note: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(float) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>] operator<<(float __f) ^ /usr/include/c++/4.8/ostream:224:7: note: no known conversion for argument 1 from 'void' to 'float' /usr/include/c++/4.8/ostream:232:7: note: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long double) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>] operator<<(long double __f) ^ /usr/include/c++/4.8/ostream:232:7: note: no known conversion for argument 1 from 'void' to 'long double' /usr/include/c++/4.8/ostream:245:7: note: std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(const void*) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__ostream_type = std::basic_ostream<char>] operator<<(const void* __p) ^ /usr/include/c++/4.8/ostream:245:7: note: no known conversion for argument 1 from 'void' to 'const void*' In file included from /usr/include/c++/4.8/ostream:612:0, from /usr/include/c++/4.8/istream:39, from /usr/include/c++/4.8/fstream:38, from nrxdivimp.cpp:1: /usr/include/c++/4.8/bits/ostream.tcc:119:5: note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(std::basic_ostream<_CharT, _Traits>::__streambuf_type*) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__streambuf_type = std::basic_streambuf<char>] basic_ostream<_CharT, _Traits>:: ^ /usr/include/c++/4.8/bits/ostream.tcc:119:5: note: no known conversion for argument 1 from 'void' to 'std::basic_ostream<char>::__streambuf_type* {aka std::basic_streambuf<char>*}' In file included from /usr/include/c++/4.8/string:52:0, from /usr/include/c++/4.8/bits/locale_classes.h:40, from /usr/include/c++/4.8/bits/ios_base.h:41, from /usr/include/c++/4.8/ios:42, from /usr/include/c++/4.8/istream:38, from /usr/include/c++/4.8/fstream:38, from nrxdivimp.cpp:1: /usr/include/c++/4.8/bits/basic_string.h:2753:5: note: template<class _CharT, class _Traits, class _Alloc> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::basic_string<_CharT, _Traits, _Alloc>&) operator<<(basic_ostream<_CharT, _Traits>& __os, ^ /usr/include/c++/4.8/bits/basic_string.h:2753:5: note: template argument deduction/substitution failed: nrxdivimp.cpp:20:35: note: mismatched types 'const std::basic_string<_CharT, _Traits, _Alloc>' and 'void' fout << NrXDivImp(a, st, dr, x) << "\n"; ^ In file included from /usr/include/c++/4.8/istream:39:0, from /usr/include/c++/4.8/fstream:38, from nrxdivimp.cpp:1: /usr/include/c++/4.8/ostream:471:5: note: template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, _CharT) operator<<(basic_ostream<_CharT, _Traits>& __out, _CharT __c) ^ /usr/include/c++/4.8/ostream:471:5: note: template argument deduction/substitution failed: nrxdivimp.cpp:20:35: note: deduced conflicting types for parameter '_CharT' ('char' and 'void') fout << NrXDivImp(a, st, dr, x) << "\n"; ^ In file included from /usr/include/c++/4.8/istream:39:0, from /usr/include/c++/4.8/fstream:38, from nrxdivimp.cpp:1: /usr/include/c++/4.8/ostream:476:5: note: template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, char) operator<<(basic_ostream<_CharT, _Traits>& __out, char __c) ^ /usr/include/c++/4.8/ostream:476:5: note: template argument deduction/substitution failed: nrxdivimp.cpp:20:35: note: cannot convert 'NrXDivImp(((int*)(& a)), st, dr, x)' (type 'void') to type 'char' fout << NrXDivImp(a, st, dr, x) << "\n"; ^ In file included from /usr/include/c++/4.8/istream:39:0, from /usr/include/c++/4.8/fstream:38, from nrxdivimp.cpp:1: /usr/include/c++/4.8/ostream:482:5: note: template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(std::basic_ostream<char, _Traits>&, char) operator<<(basic_ostream<char, _Traits>& __out, char __c) ^ /usr/include/c++/4.8/ostream:482:5: note: template argument deduction/substitution failed: nrxdivimp.cpp:20:35: note: cannot convert 'NrXDivImp(((int*)(& a)), st, dr, x)' (type 'void') to type 'char' fout << NrXDivImp(a, st, dr, x) << "\n"; ^ In file included from /usr/include/c++/4.8/istream:39:0, from /usr/include/c++/4.8/fstream:38, from nrxdivimp.cpp:1: /usr/include/c++/4.8/ostream:488:5: note: template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(std::basic_ostream<char, _Traits>&, signed char) operator<<(basic_ostream<char, _Traits>& __out, signed char __c) ^ /usr/include/c++/4.8/ostream:488:5: note: template argument deduction/substitution failed: nrxdivimp.cpp:20:35: note: cannot convert 'NrXDivImp(((int*)(& a)), st, dr, x)' (type 'void') to type 'signed char' fout << NrXDivImp(a, st, dr, x) << "\n"; ^ In file included from /usr/include/c++/4.8/istream:39:0, from /usr/include/c++/4.8/fstream:38, from nrxdivimp.cpp:1: /usr/include/c++/4.8/ostream:493:5: note: template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(std::basic_ostream<char, _Traits>&, unsigned char) operator<<(basic_ostream<char, _Traits>& __out, unsigned char __c) ^ /usr/include/c++/4.8/ostream:493:5: note: template argument deduction/substitution failed: nrxdivimp.cpp:20:35: note: cannot convert 'NrXDivImp(((int*)(& a)), st, dr, x)' (type 'void') to type 'unsigned char' fout << NrXDivImp(a, st, dr, x) << "\n"; ^ In file included from /usr/include/c++/4.8/istream:39:0, from /usr/include/c++/4.8/fstream:38, from nrxdivimp.cpp:1: /usr/include/c++/4.8/ostream:513:5: note: template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const _CharT*) operator<<(basic_ostream<_CharT, _Traits>& __out, const _CharT* __s) ^ /usr/include/c++/4.8/ostream:513:5: note: template argument deduction/substitution failed: nrxdivimp.cpp:20:35: note: mismatched types 'const _CharT*' and 'void' fout << NrXDivImp(a, st, dr, x) << "\n"; ^ In file included from /usr/include/c++/4.8/ostream:612:0, from /usr/include/c++/4.8/istream:39, from /usr/include/c++/4.8/fstream:38, from nrxdivimp.cpp:1: /usr/include/c++/4.8/bits/ostream.tcc:321:5: note: template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const char*) operator<<(basic_ostream<_CharT, _Traits>& __out, const char* __s) ^ /usr/include/c++/4.8/bits/ostream.tcc:321:5: note: template argument deduction/substitution failed: nrxdivimp.cpp:20:35: note: cannot convert 'NrXDivImp(((int*)(& a)), st, dr, x)' (type 'void') to type 'const char*' fout << NrXDivImp(a, st, dr, x) << "\n"; ^ In file included from /usr/include/c++/4.8/istream:39:0, from /usr/include/c++/4.8/fstream:38, from nrxdivimp.cpp:1: /usr/include/c++/4.8/ostream:530:5: note: template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(std::basic_ostream<char, _Traits>&, const char*) operator<<(basic_ostream<char, _Traits>& __out, const char* __s) ^ /usr/include/c++/4.8/ostream:530:5: note: template argument deduction/substitution failed: nrxdivimp.cpp:20:35: note: cannot convert 'NrXDivImp(((int*)(& a)), st, dr, x)' (type 'void') to type 'const char*' fout << NrXDivImp(a, st, dr, x) << "\n"; ^ In file included from /usr/include/c++/4.8/istream:39:0, from /usr/include/c++/4.8/fstream:38, from nrxdivimp.cpp:1: /usr/include/c++/4.8/ostream:543:5: note: template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(std::basic_ostream<char, _Traits>&, const signed char*) operator<<(basic_ostream<char, _Traits>& __out, const signed char* __s) ^ /usr/include/c++/4.8/ostream:543:5: note: template argument deduction/substitution failed: nrxdivimp.cpp:20:35: note: cannot convert 'NrXDivImp(((int*)(& a)), st, dr, x)' (type 'void') to type 'const signed char*' fout << NrXDivImp(a, st, dr, x) << "\n"; ^ In file included from /usr/include/c++/4.8/istream:39:0, from /usr/include/c++/4.8/fstream:38, from nrxdivimp.cpp:1: /usr/include/c++/4.8/ostream:548:5: note: template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(std::basic_ostream<char, _Traits>&, const unsigned char*) operator<<(basic_ostream<char, _Traits>& __out, const unsigned char* __s) ^ /usr/include/c++/4.8/ostream:548:5: note: template argument deduction/substitution failed: nrxdivimp.cpp:20:35: note: cannot convert 'NrXDivImp(((int*)(& a)), st, dr, x)' (type 'void') to type 'const unsigned char*' fout << NrXDivImp(a, st, dr, x) << "\n"; ^ In file included from /usr/include/c++/4.8/istream:39:0, from /usr/include/c++/4.8/fstream:38, from nrxdivimp.cpp:1: /usr/include/c++/4.8/ostream:602:5: note: template<class _CharT, class _Traits, class _Tp> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&&, const _Tp&) operator<<(basic_ostream<_CharT, _Traits>&& __os, const _Tp& __x) ^ /usr/include/c++/4.8/ostream:602:5: note: template argument deduction/substitution failed: /usr/include/c++/4.8/ostream: In substitution of 'template<class _CharT, class _Traits, class _Tp> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&&, const _Tp&) [with _CharT = char; _Traits = std::char_traits<char>; _Tp = void]': nrxdivimp.cpp:20:35: required from here /usr/include/c++/4.8/ostream:602:5: error: forming reference to void
www.pbinfo.ro permite evaluarea a două tipuri de probleme:
Problema NrXDivImp face parte din a doua categorie. Pentru aceste probleme se folosește un program suport, furnizat de propunătorul problemei. 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.