Compilare: user.cpp: In function ‘int cb(int, int, int)’: user.cpp:12:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(t[m]>=x) dr=m; ^ user.cpp:15:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(t[dr+1]<=x) return dr+1; ^ user.cpp:16:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(t[dr]<=x) return dr; ^ user.cpp: In function ‘int main()’: user.cpp:38:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(s<v[j]) g<<0<<'\n'; ^