Update primes.cpp

Changes

1 changed files (+4/-3)

• Math/primes.cpp
  • @@ -1,8 +1,9 @@
    - constexpr int sieve_size = 1e7; - bitset<sieve_size + 1> bs; + int sieve_size; + bitset<10000001> bs; vector<int> pr; - void sieve() { + void sieve(int size) { + sieve_size = size + 1; bs.set(); bs[0] = bs[1] = 0; for (ll i = 2; i < sieve_size; ++i) if (bs[i]) { for (ll j = i * i; j < sieve_size; j += i) bs[j] = 0;