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nguyenhappy92

In ra kí tự hoa và ngược lại.

Oct 23rd, 2015
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  1. // Chuong tirnh nhap voa ky tu c
  2. // Neu c la ki tu hoa thi in ra thuong va nguoc lai
  3. #include<stdio.h>
  4. #include<conio.h>
  5.  
  6. void main()
  7. {
  8. char s;
  9. scanf("%c",&s);
  10. if(s>='a' && s<='z')
  11. {
  12. s=s-32; // 32 la ki tu khoang trang
  13. // doi sang ki tu in hoa
  14. }
  15. else
  16. {
  17. if(s>='A' && s<='Z')
  18. {
  19. s=s+32;
  20. }
  21. }
  22. printf(" Ki tu sau khi chuyen doi: %c\n",s);
  23. }
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