Compilare: main.cpp: In function 'void Dfs(int, int)': main.cpp:46:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 46 | for (int i = 0; i <= ans[Node].size(); ++ i ) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:47:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 47 | for (int j = 0; j <= ans[it].size(); ++ j ) | ~~^~~~~~~~~~~~~~~~~ main.cpp:52:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 52 | for (int i = 0; i <= ans[Node].size(); ++ i ) { | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:53:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 53 | for (int j = 0; j <= ans[it].size(); ++ j ) { | ~~^~~~~~~~~~~~~~~~~ main.cpp: In function 'void Solve()': main.cpp:107:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 107 | for (int i = 0; i < ans[0].size(); ++ i ) | ~~^~~~~~~~~~~~~~~