#BZOJ3238. 差异
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ID: 1753
Type: RemoteJudge
1000ms
256MiB
Tried: 0
Accepted: 0
Difficulty: (None)
Uploaded By:
root
差异
题目描述
输入格式
一行，一个字符串S
输出格式
一行，一个整数，表示所求值
cacao
54
数据范围与约定
2<=N<=500000,S由小写英文字母组成