Compilare: main.cpp: In function 'void kru(int)': main.cpp:33:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<g[ks].size();++i) ~^~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:69:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<g[nod].size();++i) ~^~~~~~~~~~~~~~