Eroare de compilare: main.cpp: In function 'int main()': main.cpp:45:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 45 | for (int i = 0 ; i < v.size() ; i ++) | ~~^~~~~~~~~~ main.cpp:48:36: error: no matching function for call to 'max(long long int&, int&)' 48 | r = max (r, v[i].second) ; | ^ In file included from /usr/include/c++/10/bits/char_traits.h:39, from /usr/include/c++/10/ios:40, from /usr/include/c++/10/istream:38, from /usr/include/c++/10/fstream:38, from main.cpp:1: /usr/include/c++/10/bits/stl_algobase.h:254:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)' 254 | max(const _Tp& __a, const _Tp& __b) | ^~~ /usr/include/c++/10/bits/stl_algobase.h:254:5: note: template argument deduction/substitution failed: main.cpp:48:36: note: deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int') 48 | r = max (r, v[i].second) ; | ^ In file included from /usr/include/c++/10/bits/char_traits.h:39, from /usr/include/c++/10/ios:40, from /usr/include/c++/10/istream:38, from /usr/include/c++/10/fstream:38, from main.cpp:1: /usr/include/c++/10/bits/stl_algobase.h:300:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)' 300 | max(const _Tp& __a, const _Tp& __b, _Compare __comp) | ^~~ /usr/include/c++/10/bits/stl_algobase.h:300:5: note: template argument deduction/substitution failed: main.cpp:48:36: note: deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int') 48 | r = max (r, v[i].second) ; | ^ In file included from /usr/include/c++/10/algorithm:62, from main.cpp:3: /usr/include/c++/10/bits/stl_algo.h:3480:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(std::initializer_list<_Tp>)' 3480 | max(initializer_list<_Tp> __l) | ^~~ /usr/include/c++/10/bits/stl_algo.h:3480:5: note: template argument deduction/substitution failed: main.cpp:48:36: note: mismatched types 'std::initializer_list<_Tp>' and 'long long int' 48 | r = max (r, v[i].second) ; | ^ In file included from /usr/include/c++/10/algorithm:62, from main.cpp:3: /usr/include/c++/10/bits/stl_algo.h:3486:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(std::initializer_list<_Tp>, _Compare)' 3486 | max(initializer_list<_Tp> __l, _Compare __comp) | ^~~ /usr/include/c++/10/bits/stl_algo.h:3486:5: note: template argument deduction/substitution failed: main.cpp:48:36: note: mismatched types 'std::initializer_list<_Tp>' and 'long long int' 48 | r = max (r, v[i].second) ; | ^ Non zero exit status: 1