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Dec 13th, 2019
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  1. #include <stdio.h>
  2. #include <math.h>
  3. void nhapmang(int a[],int &n);
  4. void xuatmang(int a[],int n);
  5. void checkEml(int a[],int n);
  6. int main()
  7. {
  8. int a[100];
  9. int n;
  10. nhapmang(a,n);
  11. xuatmang(a,n);
  12. checkEml(a,n);
  13. return 0;
  14. }
  15. void nhapmang(int a[],int &n)
  16. {
  17. printf("nhap so phan tu: "); scanf("%d", &n);
  18. for(int i=0;i<n;i++)
  19. scanf("%d", &a[i]);
  20. }
  21. void xuatmang(int a[],int n)
  22. {
  23. for(int i=0;i<n;i++)
  24. printf("%4d", a[i]);
  25. }
  26. void checkEml(int a[],int n)
  27. {
  28. int x;
  29. printf("nhap so can chen: "); scanf("%d", &x);
  30. int k=0;
  31. if(n>2)
  32. for(int i=2;i<=sqrt(n),i++)
  33. if((a[i]))
  34. k=i;
  35. for(int i=n;i>=k;i--)
  36. {
  37. a[i+1]=a[i];
  38. }
  39. a[k+1]=x;
  40. n++;
  41. xuatmang(a,n);
  42. }
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