fork download
copy 
  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5.     int n = 10'000'000;
  6.     vector<bool> asal_mi(n + 1, 1);
  7.     asal_mi[0] = asal_mi[1] = false;
  8.  
  9.     for (int bolen = 2; bolen <= n; bolen++) {
  10.         // Sayı asal değilse hiç işlem yapmadan devam edelim.
  11.         if (!asal_mi[bolen])
  12.             continue;
  13.         for (int kat = 2 * bolen; kat <= n; kat += bolen) {
  14.             asal_mi[kat] = false;
  15.         }
  16.     }
  17.  
  18.     int asal_sayisi = 0;
  19.     for (int sayi = 1; sayi <= n; sayi++) {
  20.         asal_sayisi += asal_mi[sayi];
  21.     }
  22.  
  23.     cout << "1'den " << n << "'e kadar " << asal_sayisi << " adet asal sayi var."
  24.          << "\n";
  25. }
Success #stdin #stdout 0.09s 5308KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
1'den 10000000'e kadar 664579 adet asal sayi var.
https://ideone.com/Bi29QG
language:
C++14 (gcc 8.3)
created:
1 year ago
visibility:
secret

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!