Compilare: main.cpp: In function 'void dfs(int)': main.cpp:22:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 22 | while(vp[nod]<gr[nod].size()) | ~~~~~~~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:108:28: warning: 'yf' may be used uninitialized [-Wmaybe-uninitialized] 108 | cout<<xf<<" "<<yf<<" "<<rez-1; | ^~~ main.cpp:91:20: note: 'yf' was declared here 91 | int rez=1e9,xf,yf; | ^~ main.cpp:108:19: warning: 'xf' may be used uninitialized [-Wmaybe-uninitialized] 108 | cout<<xf<<" "<<yf<<" "<<rez-1; | ^~~ main.cpp:91:17: note: 'xf' was declared here 91 | int rez=1e9,xf,yf; | ^~