Compilare: main.cpp: In function 'void Dijkstra(int, int)': main.cpp:28:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 28 | for(int i=0; i<adc[nd].size(); i++){ | ~^~~~~~~~~~~~~~~ main.cpp: In function 'int dfs(int)': main.cpp:56:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 56 | for(int i=0; i<adc[nod].size(); i++){ | ~^~~~~~~~~~~~~~~~ main.cpp:58:13: warning: unused variable 'cost' [-Wunused-variable] 58 | int cost = adc[nod][i].first; | ^~~~