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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(s[i]>=97&&s[i]<=122) 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 5284KB
comments (?)
stdin
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aBcDe
stdout
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aBcDe -> ABCDE
https://ideone.com/T0D2Yn
language:
C (gcc 8.3)
created:
23 hours ago
visibility:
public

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