Compilare: main.cpp: In function 'void dfs(int)': main.cpp:17:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 17 | for(int i=0; i<l[nod].size(); i++) | ~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:57:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 57 | for(int i=0; i<comp[nrc].size(); i++) | ~^~~~~~~~~~~~~~~~~ main.cpp:64:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 64 | for(int i=0; i<impar.size(); i+=2) | ~^~~~~~~~~~~~~ main.cpp:85:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 85 | for(int i=0; i<nod_ciclu.size()-1; i++) | ~^~~~~~~~~~~~~~~~~~~ main.cpp:93:36: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 93 | if(poz_nu_ciclu==nod_ciclu.size()-1) | ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~ main.cpp:104:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 104 | for(int i=0; i<nod_ciclu.size()-1; i++) | ~^~~~~~~~~~~~~~~~~~~ main.cpp:116:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 116 | for(int j=0; j<sol[i].size(); j++) | ~^~~~~~~~~~~~~~