Compilare: main.cpp: In function 'void addedge(int, int, int, int)': main.cpp:22:33: warning: narrowing conversion of 'g[y].std::vector<_Tp, _Alloc>::size<Edge, std::allocator<Edge> >()' from 'std::vector<Edge>::size_type {aka long unsigned int}' to 'int' inside { } [-Wnarrowing] g[x].push_back({y , g[y].size() , 0 , cap , cost}); ~~~~~~~~~^~ main.cpp:23:36: warning: narrowing conversion of '(g[x].std::vector<_Tp, _Alloc>::size<Edge, std::allocator<Edge> >() - 1ul)' from 'std::vector<Edge>::size_type {aka long unsigned int}' to 'int' inside { } [-Wnarrowing] g[y].push_back({x , g[x].size() - 1 , 0 ,0 , -cost}); ~~~~~~~~~~~~^~~ main.cpp: In function 'void bfs()': main.cpp:38:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0 ; i < g[node].size() ;i++){ ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'void dijkstra()': main.cpp:73:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int h = 0 ; h < g[node].size() ;h++){ ~~^~~~~~~~~~~~~~~~