Eroare de compilare: main.cpp: In function 'int main()': main.cpp:31:101: error: no matching function for call to 'max(long double&, double)' ans = max(ans, 1.0 * (sp[i][j] - sp[i - x][j] - sp[i][j - y] + sp[i - x][j - y]) / (x * y)); ^ In file included from /usr/include/c++/6/bits/char_traits.h:39:0, from /usr/include/c++/6/ios:40, from /usr/include/c++/6/istream:38, from /usr/include/c++/6/fstream:38, from main.cpp:1: /usr/include/c++/6/bits/stl_algobase.h:219:5: note: candidate: template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&) max(const _Tp& __a, const _Tp& __b) ^~~ /usr/include/c++/6/bits/stl_algobase.h:219:5: note: template argument deduction/substitution failed: main.cpp:31:101: note: deduced conflicting types for parameter 'const _Tp' ('long double' and 'double') ans = max(ans, 1.0 * (sp[i][j] - sp[i - x][j] - sp[i][j - y] + sp[i - x][j - y]) / (x * y)); ^ In file included from /usr/include/c++/6/bits/char_traits.h:39:0, from /usr/include/c++/6/ios:40, from /usr/include/c++/6/istream:38, from /usr/include/c++/6/fstream:38, from main.cpp:1: /usr/include/c++/6/bits/stl_algobase.h:265:5: note: candidate: template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare) max(const _Tp& __a, const _Tp& __b, _Compare __comp) ^~~ /usr/include/c++/6/bits/stl_algobase.h:265:5: note: template argument deduction/substitution failed: main.cpp:31:101: note: deduced conflicting types for parameter 'const _Tp' ('long double' and 'double') ans = max(ans, 1.0 * (sp[i][j] - sp[i - x][j] - sp[i][j - y] + sp[i - x][j - y]) / (x * y)); ^ Non zero exit status: 1