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  1. # include <stdio.h>
  2.  
  3. void myToUpper(char s[]){
  4. int i;
  5. for(i=0;s[i]!='\0';i++)
  6. {
  7.  if('a'<=s[i]&&s[i]<='z')
  8.  {
  9.   s[i]=s[i]-32;
  10.  }
  11. }
  12. return;
  13. }
  14.  
  15. int main(){
  16.     char s[100];
  17.     scanf("%s",s);
  18.     printf("%s -> ",s);
  19.     myToUpper(s);
  20.     printf("%s\n",s);
  21.     return 0;
  22. }
  23.  
Success #stdin #stdout 0s 5308KB
comments (?)
stdin
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aBcDe
stdout
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aBcDe -> ABCDE
https://ideone.com/cxUuLB
language:
C (gcc 8.3)
created:
5 hours ago
visibility:
public

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