Compilare: main.cpp: In function 'int dfslant(int, int, int)': main.cpp:28:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0;i<v[nod].size();i++) ~^~~~~~~~~~~~~~ main.cpp:41:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0;i<v[nod].size();i++) ~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:139:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j=0;j<lant[i].size();j++) ~^~~~~~~~~~~~~~~ main.cpp: In function 'int update(int, int, int, int, int, int)': main.cpp:85:1: warning: control reaches end of non-void function [-Wreturn-type] } ^