Compilare: main.cpp: In function 'void bellmanFord(int)': main.cpp:54:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < G[node].size(); i++){ ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'bool Dijkstra(int)': main.cpp:85:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < G[node].size(); i++){ ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'void Solve()': main.cpp:102:9: warning: unused variable 'flow' [-Wunused-variable] int flow = 0; ^~~~