题解 | 小红的字符串
小红的字符串
https://www.nowcoder.com/practice/f9738786c00a40a2b7ddf6c82c1a59b1
d=str(input())
h=d[::-1]
a=0
a2=0
for i in range(len(d)//2):
a1=ord(d[i])
a2=ord(h[i])
cc=abs(a1-a2)
df=ord("z")-max(a1,a2)+min(a1,a2)-ord("a")+1
a=a+min(cc,df)
print(a)
