Compilare: user.cpp: In function ‘int divCount(int)’: user.cpp:33:51: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; primes[i] * primes[i] <= n && i < primes.size(); i++) { ~~^~~~~~~~~~~~~~~ user.cpp: In function ‘int main()’: user.cpp:53:72: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fopen("maxd.in", "r"), "%d %d", &bounds.first, &bounds.second); ^