Compilare: main.cpp: In function 'int main()': main.cpp:34:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 34 | for(int i = 0;i < blocuri.size(); ++i) | ~~^~~~~~~~~~~~~~~~ main.cpp:37:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 37 | for(int j = 0;j < centrale.size(); ++j) | ~~^~~~~~~~~~~~~~~~~