Compilare: main.cpp: In function 'void dfs(int, int)': main.cpp:39:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 39 | for (i=0; i<v[x].size(); i++) | ~^~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:123:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 123 | for (j=0; j<culori[i].size(); j++) | ~^~~~~~~~~~~~~~~~~ main.cpp:128:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 128 | for (j=0; j<culori[i].size()-1; j++) | ~^~~~~~~~~~~~~~~~~~~