Compilare: main.cpp: In function 'void parc1(int, int)': main.cpp:83:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 83 | for(int j=0; j < per[an][bn].size(); j++) | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:135:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 135 | for(i=0; i < rez.size(); i++) | ~~^~~~~~~~~~~~