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Sep 27th, 2016
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Java 0.30 KB | None | 0 0
  1. import java.util.Arrays;
  2. int n;
  3. boolean[] p=new boolean[n+1];
  4. public void fillSieve() {
  5.     Arrays.fill(p,true);
  6.     p[0]=p[1]=false;
  7.     for int i=2;i<p.length;i++) {
  8.         if(p[i]) {
  9.             for (int j=2;i*j<p.length;j++) {
  10.                 p[i*j]=false;
  11.             }
  12.         }
  13.     }
  14. }
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