Compilare: user.cpp: In function ‘long long int cb(int)’: user.cpp:26:53: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i + pas <= (unsigned long long)e[j] * d[j] && verif(i + pas, j) == false) ^ user.cpp: In function ‘int main()’: user.cpp:42:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &p, &q); ^