Compilare: main.cpp: In function 'int main()': main.cpp:158:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 158 | for(int j = 0; j<centroizi[x].size(); j++) | ~^~~~~~~~~~~~~~~~~~~~ main.cpp:192:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 192 | for(int j = 0; j<centroizi[x].size(); j++) | ~^~~~~~~~~~~~~~~~~~~~ main.cpp:228:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 228 | for(int j = 0; j<centroizi[i].size(); j++) | ~^~~~~~~~~~~~~~~~~~~~