Compilare: main.cpp: In function 'void dfs(int)': main.cpp:24:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 24 | for(int i=0;i<v[nod].size();i++) | ~^~~~~~~~~~~~~~ main.cpp: In function 'void djs(int)': main.cpp:54:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 54 | for(int i=0;i<v[nod].size();i++) | ~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:92:13: warning: this 'for' clause does not guard... [-Wmisleading-indentation] 92 | for(p=1;p<=n;p++) | ^~~ main.cpp:94:17: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for' 94 | k=0; | ^