Compilare: main.cpp: In function 'void dfs_comp(int)': main.cpp:17:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 17 | for(i=0;i<v[nod].size();i++){ | ~^~~~~~~~~~~~~~ main.cpp: In function 'void dfs_euler(int)': main.cpp:25:22: 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(curent[nod]<v[nod].size()){ | ~~~~~~~~~~~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:59:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 59 | for(i=0;i<rasp.size()-1;i++){ | ~^~~~~~~~~~~~~~ main.cpp:37:15: warning: unused variable 'j' [-Wunused-variable] 37 | int n,m,i,j,a,b,cnt=0; | ^