Compilare: user.cpp: In function ‘int main()’: user.cpp:28:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; i <= count1; ++i) fact[i] = fact[i - 1] * i; ^ user.cpp:35:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if ( N > range){ fout << -1; return 0;} ^ user.cpp:45:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(N <= range) { ^