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  1. #include <stdio.h>
  2.  
  3. int main()
  4. {
  5. int arr[10];
  6. int i;
  7. for (i=0;i<10;i++) {
  8. scanf("%d",&arr[i]);
  9. }
  10. for (i=0;i<10;i++) {
  11. int flag = 1;
  12. if (arr[i] == 1) flag = 0;
  13. for (int j=2;j<=arr[i]/j;j++) {
  14. if (arr[i]%j == 0) {
  15. flag = 0;
  16. break;
  17. }
  18. }
  19. if (flag) printf("%d ",arr[i]);
  20. }
  21.  
  22. return 0;
  23. }
Success #stdin #stdout 0s 9432KB
stdin
1 2 3 4 5 6 7 8 9 10
stdout
2 3 5 7