Compilare: main.cpp: In function 'void dfs(int)': main.cpp:16:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 16 | for(int i = 0 ; i < g[x].size() ; i++) | ~~^~~~~~~~~~~~~ main.cpp: In function 'void dfst(int)': main.cpp:32:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 32 | for(int i = 0 ; i < gt[x].size() ; i++) | ~~^~~~~~~~~~~~~~