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  1. #include <stdio.h>
  2. #include <ctype.h>
  3.  
  4. int main() 
  5.   {
  6.    char clf,crt;
  7.    int lf,rt;
  8.    scanf(" %c %c",&clf,&crt);
  9.    lf=tolower(clf)-'a';
  10.    rt=tolower(crt)-'a';
  11.    printf("%d .. %d\n",lf,rt);
  12.    scanf(" %c %c",&clf,&crt);
  13.    lf=tolower(clf)-'a';
  14.    rt=tolower(crt)-'a';
  15.    printf("%d .. %d\n",lf,rt);
  16.    return 0;
  17.   }
  18.  
Success #stdin #stdout 0s 2252KB
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https://ideone.com/nOe08M
language:
C (gcc 8.3)
created:
10 years ago
visibility:
public

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