Compilare: main.cpp: In function 'int main()': main.cpp:46:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 46 | for( int i = 0; i < blocuri.size(); ++i ) | ~~^~~~~~~~~~~~~~~~ main.cpp:47:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 47 | for( int j = 0; j < centrale.size(); ++j ) | ~~^~~~~~~~~~~~~~~~~ main.cpp:57:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 57 | for( int i = 0; i < blocuri.size(); ++i ) | ~~^~~~~~~~~~~~~~~~