Compilare: main.cpp: In function 'void dijk(int)': main.cpp:28:18: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare] 28 | for(int i=1;i<=n;i++) | ~^~~ main.cpp:41:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 41 | for(int i=0;i<l[nc].size();i++) | ~^~~~~~~~~~~~~ main.cpp:47:24: warning: comparison of integer expressions of different signedness: 'long long unsigned int' and 'int' [-Wsign-compare] 47 | if(dist[vc]>nou.cost) | ~~~~~~~~^~~~~~~~~ main.cpp:53:29: warning: comparison of integer expressions of different signedness: 'long long unsigned int' and 'int' [-Wsign-compare] 53 | else if(dist[vc]==nou.cost) | ~~~~~~~~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:67:18: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare] 67 | for(int i=1;i<=m;i++) | ~^~~ main.cpp:74:18: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare] 74 | for(int i=2;i<=n;i++) | ~^~~