Compilare: main.cpp: In function 'void DFS(int, int)': main.cpp:135:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 135 | for(int i=0;i<G[nod].size();i++){ | ~^~~~~~~~~~~~~~ main.cpp: In function 'void DFS_sol(int, int)': main.cpp:153:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 153 | for(int i=0;i<G[nod].size();i++){ | ~^~~~~~~~~~~~~~ main.cpp:165:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 165 | for(int i=0;i<G[nod].size();i++){ | ~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:209:29: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 209 | if(culoare[i].size()>=val){ | ~~~~~~~~~~~~~~~~~^~~~~ main.cpp:216:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 216 | for(int j=0;j<culoare[i].size();j++){ | ~^~~~~~~~~~~~~~~~~~ main.cpp:217:32: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 217 | for(int k=j+1;k<culoare[i].size();k++){ | ~^~~~~~~~~~~~~~~~~~