7-22 用天平找小球

 1 #include <stdio.h>
 2 
 3 int main(void)
 4 {
 5     int a, b, c;
 6     char other;
 7 
 8     scanf("%d %d %d", &a, &b, &c);
 9 
10     if (a == b)
11     {
12         other = 'C';
13     }
14 
15     if (a == c)
16     {
17         other = 'B';
18     }
19 
20     if (b == c)
21     {
22         other = 'A';
23     }
24 
25     putchar(other);
26 
27     return 0;
28 }