Compilare: main.cpp: In function 'void dfs(int)': main.cpp:21:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 21 | for(int i = 0; i < edge[node].size(); i++){ | ~~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:70:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 70 | for(int j = 0; j < comp[i].size(); j++){ | ~~^~~~~~~~~~~~~~~~ main.cpp:127:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 127 | if(grad[i] < comp[i].size()){ | ~~~~~~~~^~~~~~~~~~~~~~~~ main.cpp:132:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 132 | while(grad[i] != comp[i].size()){ | ~~~~~~~~^~~~~~~~~~~~~~~~~ main.cpp:141:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 141 | for(int j = 0; j < arb[i].size(); j++) | ~~^~~~~~~~~~~~~~~