Compilare: main.cpp: In function 'int main()': main.cpp:37:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 37 | for(int i = 0; i < blocuri.size(); ++i) | ~~^~~~~~~~~~~~~~~~ main.cpp:40:25: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 40 | for(int j = 0;j < centrale.size(); ++j) | ~~^~~~~~~~~~~~~~~~~ main.cpp:49:25: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 49 | for(int i = 0;i < blocuri.size(); ++i) | ~~^~~~~~~~~~~~~~~~ main.cpp:58:25: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 58 | for(int i = 0;i < blocuri.size(); ++i) | ~~^~~~~~~~~~~~~~~~