Compilare: main.cpp: In function 'void dfs(int)': main.cpp:19:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 19 | for(i=0;i<v[nod].size();i++){ | ~^~~~~~~~~~~~~~ main.cpp: In function 'void dfs_euler(int)': main.cpp:25:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 25 | while(c[nod]<v[nod].size()){ | ~~~~~~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:51:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 51 | for(j=0;j<curent.size();j++){ | ~^~~~~~~~~~~~~~ main.cpp:59:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 59 | for(j=0;j<rasp.size();j++){ | ~^~~~~~~~~~~~ main.cpp:71:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 71 | for(i=0;i<rasp1.size();i++){ | ~^~~~~~~~~~~~~ main.cpp:73:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 73 | for(j=0;j<rasp1[i].size();j++) cout<<rasp1[i][j]<<" "; | ~^~~~~~~~~~~~~~~~