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Nov 17th, 2019
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C 0.47 KB | None | 0 0
  1. #include<stdio.h>
  2. #include<ctype.h>
  3. int main()
  4. {
  5. char T[20] ;
  6. int n,i;
  7.  
  8. printf("donner un entier");
  9. scanf("%d",&n);
  10. for(i=0;i<n;i++)
  11. {
  12.     printf("donner T[%d]",i);
  13.     scanf (" %c",&T[i]); // ghaltek hnee ta3mel espace %c khater akeka bech yekho valeur mta3 entré mta3 el clavier
  14.  }
  15.  
  16.    for (i=0;i<n;i++)
  17.     {
  18.         if ((T[i]>='a')&&(T[i<='b']))
  19.         T[i]=toupper(T[i]);
  20.         else
  21.         T[i]=tolower(T[i]);
  22.     }
  23.  
  24.  
  25.  
  26. for(i=0;i<n;i++)
  27. {
  28.     printf("%c\t",T[i]);
  29. }
  30.  
  31. return 0;
  32. }
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