Compilare: main.cpp: In function 'void build(int)': main.cpp:12:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 12 | while(muchitrecute[nod]<graf[nod].size()) | ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:67:3: warning: this 'else' clause does not guard... [-Wmisleading-indentation] 67 | else | ^~~~ main.cpp:69:5: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'else' 69 | return 0; | ^~~~~~