Compilare: main.cpp: In function 'int solve(int)': main.cpp:78:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<Ad[u].size();++i) ~^~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:119:20: warning: 'valoare' may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<valoare<<" "<<minim; ^~~ main.cpp:119:30: warning: 'minim' may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<valoare<<" "<<minim; ^