Compilare: main.cpp: In function 'int main()': main.cpp:25:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<M[i].size();j++) ///vecini ~^~~~~~~~~~~~ main.cpp:34:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<M[0].size();i++) ~^~~~~~~~~~~~ main.cpp:35:32: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] total=min(total, C[1<<n-1][M[0][i].first]+M[0][i].second); ~^~