Eroare de compilare: main.cpp: In function 'void solve(ll)': main.cpp:25:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < primes.size() && primes[i] < (int) sqrt (number) + 1 && x > 1; i++) if (x % primes[i] == 0) { ~~^~~~~~~~~~~~~~~ main.cpp:25:72: error: 'sqrt' was not declared in this scope for (int i = 0; i < primes.size() && primes[i] < (int) sqrt (number) + 1 && x > 1; i++) if (x % primes[i] == 0) { ^ Non zero exit status: 1