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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.     if('a'<=s[i]&&s[i]<='z') s[i]=s[i]-32;
  7. }
  8. }
  9.  
  10. int main(){
  11.     char s[100];
  12.     scanf("%s",s);
  13.     printf("%s -> ",s);
  14.     myToUpper(s);
  15.     printf("%s\n",s);
  16.     return 0;
  17. }
  18.  
Success #stdin #stdout 0s 5316KB
comments (?)
stdin
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aBcDe
stdout
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aBcDe -> ABCDE
https://ideone.com/LXLbOM
language:
C (gcc 8.3)
created:
13 days ago
visibility:
public

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