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nguyenhappy92

Kiểm tra n có phải là số chính phương hay không?

Oct 9th, 2015
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  1. // Kiem tra n nhap vao co phai la so chinh phuong hay khong?
  2. // Khai bao cac ham thu vien neu co
  3. #include<stdio.h>
  4. #include<conio.h>
  5.  
  6. void main()
  7. {
  8. int i;
  9. int dem=0;
  10. int n;
  11. scanf("%d",&n);
  12. if(n==1)
  13. printf(" So chinh phuong\n");
  14. else
  15. {
  16. for(i=2;i<n;i++)
  17. {
  18. if((i*i)==n)
  19. {
  20. dem=1; break;
  21. }
  22. }
  23. if(dem==1)
  24. printf("La so chinh phuong\n");
  25. else
  26. {
  27. printf(" Khong la so chinh phuong\n");
  28. }
  29. }
  30. }
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