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May 30th, 2015
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C++ 0.42 KB | None | 0 0
  1. #include <cstdio>
  2. int q[100000004];
  3. int p[100000004];
  4. int main(){
  5.   int a,b,c;
  6.   for(a=2;a<100000;a++){
  7.     if(q[a]==0){
  8.       for(b=a+1;b<100000;b++){
  9.     for(c=0;c<a && b<100000;b++){
  10.       if(q[b]==0){
  11.         c++;
  12.       }
  13.     }
  14.     b--;
  15.     q[b]=1;
  16.       }
  17.     }
  18.   }
  19.   for(a=2,c=0;a<100000;a++){
  20.     if(q[a]==0){
  21.       p[c]=a;
  22.       c++;
  23.     }
  24.   }
  25.   while(scanf("%d",&a) && a!=0){
  26.     printf("%d\n",p[a-1]);
  27.   }
  28. }
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