@[makeway](/user/1413309)
建议重写，一道入门题，非得复杂化
by Yxy7952 @ 2024-08-28 16:23:43
```
while (scanf("%c:=%c;",&s1,&s2)==2)
a[s1-'a']=s2>='0' && s2<='9' ? s2-'0' : a[s2-'a'];
```
这样写
by ny_123457 @ 2024-08-28 16:24:06