Compilare: main.cpp: In function 'int main()': main.cpp:45:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 45 | for(int i=0;i<a[x].size();i++){ | ~^~~~~~~~~~~~ main.cpp:54:17: warning: this 'if' clause does not guard... [-Wmisleading-indentation] 54 | if(rez[y] > rez[x]) | ^~ main.cpp:56:21: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if' 56 | q.push({y, -dist[y]}); | ^