Compilare: main.cpp: In function 'std::vector<int> dijkstra(int)': main.cpp:92:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 92 | for (int i = 0; i < adj_weight[node].size(); i++) //for all adjacent nodes of node | ~~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'bool verify(std::vector<int>&, std::vector<int>&)': main.cpp:112:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 112 | for (int i = 1 ; i < dist.size() ; i++) | ~~^~~~~~~~~~~~~