Compilare: main.cpp: In function 'void dijkstra(int, int)': main.cpp:24:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 24 | for(int i=0; i<graph[parent].size(); i++) | ~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void solve()': main.cpp:86:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'long long unsigned int' [-Wsign-compare] 86 | if(trilant(i)<mini) | ~~~~~~~~~~^~~~~