Compilare: main.cpp: In function 'void graphCycle(int, int)': main.cpp:24:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 24 | for(int i = 0; i < adj[node].size(); ++i){ | ~~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'void dfs(int)': main.cpp:40:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 40 | for(int i = 0; i < adj[node].size(); ++i){ | ~~^~~~~~~~~~~~~~~~~~