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  1. # include <stdio.h>
  2.  
  3. void myToUpper(char s[]){
  4. ///*
  5. 	int i;
  6. for(i=0;s[i]!='\0';i++){
  7. if(97<=s[i]&&s[i]<=122){
  8. 	s[i]=s[i]-32;
  9. }
  10. }
  11.  
  12. //*/
  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.     printf("%d",'a'-'A');
  22.     return 0;
  23. }
  24.  
Success #stdin #stdout 0.01s 5284KB
comments (?)
stdin
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aBcDe
stdout
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aBcDe -> ABCDE
32
https://ideone.com/ZK8j7o
language:
C (gcc 8.3)
created:
13 days ago
visibility:
public

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