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harikrista

Untitled

Apr 2nd, 2017
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C 0.54 KB | None | 0 0
  1. #define n 100
  2.  
  3. //bool prime[2];
  4.  
  5. int main(){
  6.    
  7.     int prime[n];
  8.    
  9.     int i,num,loc;
  10.    
  11.     for(i=1;i<=n;i++){
  12.         prime[i] = 1;
  13.     }
  14.    
  15.     for( num = 2; num <= (int)sqrt(n);num++){
  16.        
  17.         if(prime[num]==1){
  18.             loc = num+num;
  19.            
  20.             while(loc<=n){
  21.                 prime[loc] = 0;
  22.                 loc = loc + num;
  23.             }
  24.         }
  25.     }
  26.    
  27.     for (i=1; i<=n; i++) {
  28.         if(prime[i]==1){
  29.             printf("%d \n",i);
  30.         }
  31.     }
  32.  
  33.     return 0;
  34. }
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