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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]-=32;
  10.   } 
  11.  }
  12.  return;
  13.  
  14. }
  15.  
  16. int main(){
  17.     char s[100];
  18.     scanf("%s",s);
  19.     printf("%s -> ",s);
  20.     myToUpper(s);
  21.     printf("%s\n",s);
  22.     return 0;
  23. }
  24.  
Success #stdin #stdout 0.01s 5292KB
comments (?)
stdin
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aBcDe
stdout
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aBcDe -> ABCDE
https://ideone.com/XmZug4
language:
C (gcc 8.3)
created:
11 days ago
visibility:
public

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