Compilare: main.cpp: In function 'void dijk(int)': main.cpp:27:18: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare] 27 | for(int i=1;i<=n;i++) | ~^~~ main.cpp:40:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 40 | for(int i=0;i<l[nc].size();i++) | ~^~~~~~~~~~~~~ main.cpp:45:24: warning: comparison of integer expressions of different signedness: 'long long unsigned int' and 'int' [-Wsign-compare] 45 | if(dist[vc]>nou.cost) | ~~~~~~~~^~~~~~~~~ main.cpp:51:29: warning: comparison of integer expressions of different signedness: 'long long unsigned int' and 'int' [-Wsign-compare] 51 | else if(dist[vc]==nou.cost) | ~~~~~~~~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:65:18: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare] 65 | for(int i=1;i<=m;i++) | ~^~~ main.cpp:72:18: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare] 72 | for(int i=2;i<=n;i++) | ~^~~