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  1. #include <stdio.h>
  2.  
  3. void main() 
  4. {
  5.     char s1[100], s2[100];
  6.     printf("请输入字符串s1：");
  7.     gets(s1);
  8.     printf("请输入字符串s2：");
  9.     gets(s2);
  10.  
  11.     int i = 0;
  12.     while (s1[i] != '\0' && s2[i] != '\0') 
  13.     {
  14.         if (s1[i] != s2[i]) 
  15.         {
  16.             printf("%d\n", s1[i] - s2[i]);
  17.             return 0;
  18.         }
  19.         i++;
  20.     }
  21.     printf("%d\n", s1[i] - s2[i]);
  22. }
Success #stdin #stdout 0s 5320KB
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abc
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请输入字符串s1：请输入字符串s2：99
https://ideone.com/PVeh6w
language:
C (gcc 8.3)
created:
7 hours ago
visibility:
public

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