Compilare: main.cpp: In function 'int main()': main.cpp:74:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 74 | for(int j=0; j<adjl[nod].size(); j++) | ~^~~~~~~~~~~~~~~~~ main.cpp: In function 'int p2max(int)': main.cpp:27:1: warning: control reaches end of non-void function [-Wreturn-type] 27 | } | ^ main.cpp: In function 'int main()': main.cpp:139:21: warning: 'varf' may be used uninitialized [-Wmaybe-uninitialized] 139 | indice[varf]=1; | ~~~~~~~~~~~~^~ main.cpp:120:13: note: 'varf' was declared here 120 | int varf,siz; | ^~~~