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  1. # include <stdio.h>
  2.  
  3. void myToUpper(char s[]){
  4. 	for(int i=0;s[i]!=0;i++){
  5. 		if('a'<=s[i]&&s[i]<='z')s[i]=s[i]-32;
  6. 	}
  7. }
  8.  
  9. int main(){
  10.     char s[100];
  11.     scanf("%s",s);
  12.     printf("%s -> ",s);
  13.     myToUpper(s);
  14.     printf("%s\n",s);
  15.     return 0;
  16. }
  17.  
Success #stdin #stdout 0s 5272KB
comments (?)
stdin
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aBcDe
stdout
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aBcDe -> ABCDE
https://ideone.com/r4UbG5
language:
C (gcc 8.3)
created:
8 days ago
visibility:
public

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