Compilare: main.cpp: In function 'int main()': main.cpp:76:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 76 | for(int j=0; j<adjl[nod].size(); j++) | ~^~~~~~~~~~~~~~~~~ main.cpp: In function 'int p2max(int)': main.cpp:29:1: warning: control reaches end of non-void function [-Wreturn-type] 29 | } | ^ main.cpp: In function 'int main()': main.cpp:141:21: warning: 'varf' may be used uninitialized [-Wmaybe-uninitialized] 141 | indice[varf]=1; | ~~~~~~~~~~~~^~ main.cpp:122:13: note: 'varf' was declared here 122 | int varf,siz; | ^~~~