Compilare: user.cpp: In function ‘long long int Combinari(int, int)’: user.cpp:12:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(C[n].size()-1>=k) return C[n][k]; ^ user.cpp: In function ‘int main()’: user.cpp:187:9: warning: unused variable ‘op’ [-Wunused-variable] int op=0; ^ user.cpp: In function ‘int bagamias()’: user.cpp:45:1: warning: control reaches end of non-void function [-Wreturn-type] } ^