Compilare: main.cpp: In function 'void dijkstra1(int, int)': main.cpp:42:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 42 | for(int i=0; i<g[nod].size(); i++) | ~^~~~~~~~~~~~~~ main.cpp: In function 'void dijkstra2(int, int)': main.cpp:61:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 61 | for(int i=0; i<g[nod].size(); i++) | ~^~~~~~~~~~~~~~