Compilare: main.cpp: In function 'int main()': main.cpp:44:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 44 | for(int i=0;i<a[x].size();i++){ | ~^~~~~~~~~~~~ main.cpp:53:17: warning: this 'if' clause does not guard... [-Wmisleading-indentation] 53 | if(rez[y] > rez[x]) | ^~ main.cpp:55:21: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if' 55 | q.push(make_pair(y, -dist[y])); | ^