#2943
Se dă o matrice pătratică de n x n numere naturale și o valoare naturală T. Suma unei submatrice este suma elementelor submatricei. Să se determine numărul submatricelor care au suma mai mică sau egală cu T.
| Problema | maru | Operații I/O |
tastatură/ecran
|
|---|---|---|---|
| Limita timp | 0.5 secunde | Limita memorie |
Total: 64 MB
/
Stivă 8 MB
|
| Id soluție | #64213245 | Utilizator | |
| Fișier | maru.cpp | Dimensiune | 425 B |
| Data încărcării | 23 Aprilie 2026, 10:39 | Scor/rezultat | Eroare de compilare |
maru.cpp:3:31: error: conflicting declaration ‘int a’ 3 | int a[401][401],S[401][401],n,a,b,c,i,j,m,k1,k2,t,d; | ^ maru.cpp:3:5: note: previous declaration as ‘int a [401][401]’ 3 | int a[401][401],S[401][401],n,a,b,c,i,j,m,k1,k2,t,d; | ^ maru.cpp: In function ‘int main()’: maru.cpp:5:11: error: no match for ‘operator>>’ (operand types are ‘std::basic_istream<char>::__istream_type’ {aka ‘std::basic_istream<char>’} and ‘int [401][401]’) 5 | {cin>>t>>n>>a>>b>>c>>d; | ~~~~~~~~~^~~ | | | | | int [401][401] | std::basic_istream<char>::__istream_type {aka std::basic_istream<char>} In file included from /usr/include/c++/13/iostream:42, from maru.cpp:1: /usr/include/c++/13/istream:325:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(void*&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]’ (near match) 325 | operator>>(void*& __p) | ^~~~~~~~ /usr/include/c++/13/istream:325:7: note: conversion of argument 1 would be ill-formed: maru.cpp:5:13: error: cannot bind non-const lvalue reference of type ‘void*&’ to an rvalue of type ‘void*’ 5 | {cin>>t>>n>>a>>b>>c>>d; | ^ /usr/include/c++/13/istream:201:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]’ (near match) 201 | operator>>(unsigned long long& __n) | ^~~~~~~~ /usr/include/c++/13/istream:201:7: note: conversion of argument 1 would be ill-formed: maru.cpp:5:13: error: invalid conversion from ‘int (*)[401]’ to ‘long long unsigned int’ [-fpermissive] 5 | {cin>>t>>n>>a>>b>>c>>d; | ^ | | | int (*)[401] maru.cpp:5:13: error: cannot bind rvalue ‘(long long unsigned int)((int (*)[401])(& a))’ to ‘long long unsigned int&’ /usr/include/c++/13/istream:197:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]’ (near match) 197 | operator>>(long long& __n) | ^~~~~~~~ /usr/include/c++/13/istream:197:7: note: conversion of argument 1 would be ill-formed: maru.cpp:5:13: error: invalid conversion from ‘int (*)[401]’ to ‘long long int’ [-fpermissive] 5 | {cin>>t>>n>>a>>b>>c>>d; | ^ | | | int (*)[401] maru.cpp:5:13: error: cannot bind rvalue ‘(long long int)((int (*)[401])(& a))’ to ‘long long int&’ /usr/include/c++/13/istream:192:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]’ (near match) 192 | operator>>(unsigned long& __n) | ^~~~~~~~ /usr/include/c++/13/istream:192:7: note: conversion of argument 1 would be ill-formed: maru.cpp:5:13: error: invalid conversion from ‘int (*)[401]’ to ‘long unsigned int’ [-fpermissive] 5 | {cin>>t>>n>>a>>b>>c>>d; | ^ | | | int (*)[401] maru.cpp:5:13: error: cannot bind rvalue ‘(long unsigned int)((int (*)[401])(& a))’ to ‘long unsigned int&’ /usr/include/c++/13/istream:188:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]’ (near match) 188 | operator>>(long& __n) | ^~~~~~~~ /usr/include/c++/13/istream:188:7: note: conversion of argument 1 would be ill-formed: maru.cpp:5:13: error: invalid conversion from ‘int (*)[401]’ to ‘long int’ [-fpermissive] 5 | {cin>>t>>n>>a>>b>>c>>d; | ^ | | | int (*)[401] maru.cpp:5:13: error: cannot bind rvalue ‘(long int)((int (*)[401])(& a))’ to ‘long int&’ /usr/include/c++/13/istream:184:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]’ (near match) 184 | operator>>(unsigned int& __n) | ^~~~~~~~ /usr/include/c++/13/istream:184:7: note: conversion of argument 1 would be ill-formed: maru.cpp:5:13: error: invalid conversion from ‘int (*)[401]’ to ‘unsigned int’ [-fpermissive] 5 | {cin>>t>>n>>a>>b>>c>>d; | ^ | | | int (*)[401] maru.cpp:5:13: error: cannot bind rvalue ‘(unsigned int)((int (*)[401])(& a))’ to ‘unsigned int&’ /usr/include/c++/13/istream:181:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(int&) [with _CharT = char; _Traits = std::char_traits<char>]’ (near match) 181 | operator>>(int& __n); | ^~~~~~~~ /usr/include/c++/13/istream:181:7: note: conversion of argument 1 would be ill-formed: maru.cpp:5:13: error: invalid conversion from ‘int (*)[401]’ to ‘int’ [-fpermissive] 5 | {cin>>t>>n>>a>>b>>c>>d; | ^ | | | int (*)[401] maru.cpp:5:13: error: cannot bind rvalue ‘(int)((int (*)[401])(& a))’ to ‘int&’ /usr/include/c++/13/istream:177:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(short unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]’ (near match) 177 | operator>>(unsigned short& __n) | ^~~~~~~~ /usr/include/c++/13/istream:177:7: note: conversion of argument 1 would be ill-formed: maru.cpp:5:13: error: invalid conversion from ‘int (*)[401]’ to ‘short unsigned int’ [-fpermissive] 5 | {cin>>t>>n>>a>>b>>c>>d; | ^ | | | int (*)[401] maru.cpp:5:13: error: cannot bind rvalue ‘(short unsigned int)((int (*)[401])(& a))’ to ‘short unsigned int&’ /usr/include/c++/13/istream:174:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(short int&) [with _CharT = char; _Traits = std::char_traits<char>]’ (near match) 174 | operator>>(short& __n); | ^~~~~~~~ /usr/include/c++/13/istream:174:7: note: conversion of argument 1 would be ill-formed: maru.cpp:5:13: error: invalid conversion from ‘int (*)[401]’ to ‘short int’ [-fpermissive] 5 | {cin>>t>>n>>a>>b>>c>>d; | ^ | | | int (*)[401] maru.cpp:5:13: error: cannot bind rvalue ‘(short int)((int (*)[401])(& a))’ to ‘short int&’ /usr/include/c++/13/istream:170:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(bool&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]’ (near match) 170 | operator>>(bool& __n) | ^~~~~~~~ /usr/include/c++/13/istream:170:7: note: conversion of argument 1 would be ill-formed: maru.cpp:5:13: warning: the address of ‘a’ will never be NULL [-Waddress] 5 | {cin>>t>>n>>a>>b>>c>>d; | ^ maru.cpp:3:5: note: ‘a’ declared here 3 | int a[401][401],S[401][401],n,a,b,c,i,j,m,k1,k2,t,d; | ^ maru.cpp:5:13: error: cannot bind non-const lvalue reference of type ‘bool&’ to a value of type ‘int (*)[401]’ 5 | {cin>>t>>n>>a>>b>>c>>d; | ^ /usr/include/c++/13/istream:224:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long double&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]’ 224 | operator>>(long double& __f) | ^~~~~~~~ /usr/include/c++/13/istream:224:31: note: no known conversion for argument 1 from ‘int [401][401]’ to ‘long double&’ 224 | operator>>(long double& __f) | ~~~~~~~~~~~~~^~~ /usr/include/c++/13/istream:220:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(double&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]’ 220 | operator>>(double& __f) | ^~~~~~~~ /usr/include/c++/13/istream:220:26: note: no known conversion for argument 1 from ‘int [401][401]’ to ‘double&’ 220 | operator>>(double& __f) | ~~~~~~~~^~~ /usr/include/c++/13/istream:216:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(float&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]’ 216 | operator>>(float& __f) | ^~~~~~~~ /usr/include/c++/13/istream:216:25: note: no known conversion for argument 1 from ‘int [401][401]’ to ‘float&’ 216 | operator>>(float& __f) | ~~~~~~~^~~ /usr/include/c++/13/istream:122:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(__istream_type& (*)(__istream_type&)) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]’ 122 | operator>>(__istream_type& (*__pf)(__istream_type&)) | ^~~~~~~~ /usr/include/c++/13/istream:122:36: note: no known conversion for argument 1 from ‘int [401][401]’ to ‘std::basic_istream<char>::__istream_type& (*)(std::basic_istream<char>::__istream_type&)’ {aka ‘std::basic_istream<char>& (*)(std::basic_istream<char>&)’} 122 | operator>>(__istream_type& (*__pf)(__istream_type&)) | ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~ /usr/include/c++/13/istream:126:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(__ios_type& (*)(__ios_type&)) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>; __ios_type = std::basic_ios<char>]’ 126 | operator>>(__ios_type& (*__pf)(__ios_type&)) | ^~~~~~~~ /usr/include/c++/13/istream:126:32: note: no known conversion for argument 1 from ‘int [401][401]’ to ‘std::basic_istream<char>::__ios_type& (*)(std::basic_istream<char>::__ios_type&)’ {aka ‘std::basic_ios<char>& (*)(std::basic_ios<char>&)’} 126 | operator>>(__ios_type& (*__pf)(__ios_type&)) | ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~ /usr/include/c++/13/istream:133:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::ios_base& (*)(std::ios_base&)) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]’ 133 | operator>>(ios_base& (*__pf)(ios_base&)) | ^~~~~~~~ /usr/include/c++/13/istream:133:30: note: no known conversion for argument 1 from ‘int [401][401]’ to ‘std::ios_base& (*)(std::ios_base&)’ 133 | operator>>(ios_base& (*__pf)(ios_base&)) | ~~~~~~~~~~~~^~~~~~~~~~~~~~~~ /usr/include/c++/13/istream:349:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(__streambuf_type*) [with _CharT = char; _Traits = std::char_traits<char>; __streambuf_type = std::basic_streambuf<char>]’ 349 | operator>>(__streambuf_type* __sb); | ^~~~~~~~ /usr/include/c++/13/istream:349:36: note: no known conversion for argument 1 from ‘int [401][401]’ to ‘std::basic_istream<char>::__streambuf_type*’ {aka ‘std::basic_streambuf<char>*’} 349 | operator>>(__streambuf_type* __sb); | ~~~~~~~~~~~~~~~~~~^~~~ In file included from /usr/include/c++/13/string:55, 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/ostream:40, from /usr/include/c++/13/iostream:41: /usr/include/c++/13/bits/basic_string.tcc:827:5: note: candidate: ‘template<class _CharT, class _Traits, class _Alloc> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, __cxx11::basic_string<_CharT, _Traits, _Alloc>&)’ 827 | operator>>(basic_istream<_CharT, _Traits>& __in, | ^~~~~~~~ /usr/include/c++/13/bits/basic_string.tcc:827:5: note: template argument deduction/substitution failed: maru.cpp:5:13: note: mismatched types ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>’ and ‘int [401][401]’ 5 | {cin>>t>>n>>a>>b>>c>>d; | ^ In file included from /usr/include/c++/13/istream:1106: /usr/include/c++/13/bits/istream.tcc:975:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, _CharT&)’ 975 | operator>>(basic_istream<_CharT, _Traits>& __in, _CharT& __c) | ^~~~~~~~ /usr/include/c++/13/bits/istream.tcc:975:5: note: template argument deduction/substitution failed: maru.cpp:5:13: note: deduced conflicting types for parameter ‘_CharT’ (‘char’ and ‘int [401][401]’) 5 | {cin>>t>>n>>a>>b>>c>>d; | ^ /usr/include/c++/13/istream:846:5: note: candidate: ‘template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, unsigned char&)’ 846 | operator>>(basic_istream<char, _Traits>& __in, unsigned char& __c) | ^~~~~~~~ /usr/include/c++/13/istream:846:5: note: template argument deduction/substitution failed: maru.cpp:5:13: note: cannot convert ‘a’ (type ‘int [401][401]’) to type ‘unsigned char&’ 5 | {cin>>t>>n>>a>>b>>c>>d; | ^ /usr/include/c++/13/istream:851:5: note: candidate: ‘template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, signed char&)’ 851 | operator>>(basic_istream<char, _Traits>& __in, signed char& __c) | ^~~~~~~~ /usr/include/c++/13/istream:851:5: note: template argument deduction/substitution failed: maru.cpp:5:13: note: cannot convert ‘a’ (type ‘int [401][401]’) to type ‘signed char&’ 5 | {cin>>t>>n>>a>>b>>c>>d; | ^ /usr/include/c++/13/istream:893:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, _CharT*)’ 893 | operator>>(basic_istream<_CharT, _Traits>& __in, _CharT* __s) | ^~~~~~~~ /usr/include/c++/13/istream:893:5: note: template argument deduction/substitution failed: maru.cpp:5:13: note: deduced conflicting types for parameter ‘_CharT’ (‘char’ and ‘int [401]’) 5 | {cin>>t>>n>>a>>b>>c>>d; | ^ /usr/include/c++/13/istream:936:5: note: candidate: ‘template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, unsigned char*)’ 936 | operator>>(basic_istream<char, _Traits>& __in, unsigned char* __s) | ^~~~~~~~ /usr/include/c++/13/istream:936:5: note: template argument deduction/substitution failed: maru.cpp:5:13: note: cannot convert ‘a’ (type ‘int [401][401]’) to type ‘unsigned char*’ 5 | {cin>>t>>n>>a>>b>>c>>d; | ^ /usr/include/c++/13/istream:942:5: note: candidate: ‘template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, signed char*)’ 942 | operator>>(basic_istream<char, _Traits>& __in, signed char* __s) | ^~~~~~~~ /usr/include/c++/13/istream:942:5: note: template argument deduction/substitution failed: maru.cpp:5:13: note: cannot convert ‘a’ (type ‘int [401][401]’) to type ‘signed char*’ 5 | {cin>>t>>n>>a>>b>>c>>d; | ^ /usr/include/c++/13/istream:1096:5: note: candidate: ‘template<class _Istream, class _Tp> _Istream&& std::operator>>(_Istream&&, _Tp&&)’ 1096 | operator>>(_Istream&& __is, _Tp&& __x) | ^~~~~~~~ /usr/include/c++/13/istream:1096:5: note: template argument deduction/substitution failed: /usr/include/c++/13/istream: In substitution of ‘template<class _Istream, class _Tp> _Istream&& std::operator>>(_Istream&&, _Tp&&) [with _Istream = std::basic_istream<char>&; _Tp = int (&)[401][401]]’: maru.cpp:5:13: required from here /usr/include/c++/13/istream:1096:5: error: no type named ‘type’ in ‘struct std::enable_if<false, void>’ maru.cpp:8:12: error: invalid operands of types ‘int [401][401]’ and ‘int’ to binary ‘operator*’ 8 | {a[i][j]=(a*i+b*j+c)%d; | ~^~ | | | | | int | int [401][401] maru.cpp:9:1: error: ‘s’ was not declared in this scope 9 | s[i][j]=s[i-1][j]+s[i][j-1]-s[i-1][j-1]+a[i][j];} | ^ maru.cpp:12:11: warning: right operand of comma operator has no effect [-Wunused-value] 12 | for(i=k1,i<=n;i++) | ~^~~ maru.cpp:12:18: error: expected ‘;’ before ‘)’ token 12 | for(i=k1,i<=n;i++) | ^ | ; maru.cpp:14:4: warning: init-statement in selection statements only available with ‘-std=c++17’ or ‘-std=gnu++17’ [-Wc++17-extensions] 14 | if(s[i][j]-s[i-k1][j]-s[i][j-k2]+s[i-k1][j-k2]<t; | ^ maru.cpp:14:4: error: ‘s’ was not declared in this scope maru.cpp:15:1: error: ‘nr’ was not declared in this scope; did you mean ‘n’? 15 | nr++; | ^~ | n maru.cpp:15:5: error: expected ‘)’ before ‘;’ token 15 | nr++; | ^ | ) maru.cpp:14:3: note: to match this ‘(’ 14 | if(s[i][j]-s[i-k1][j]-s[i][j-k2]+s[i-k1][j-k2]<t; | ^ maru.cpp:16:7: error: ‘nr’ was not declared in this scope; did you mean ‘n’? 16 | cout<<nr; | ^~ | n
www.pbinfo.ro permite evaluarea a două tipuri de probleme:
Problema maru 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.