Problem3610--【Div3】abc456c-不相邻

3610: 【Div3】abc456c-不相邻

[Creator : ]
Time Limit : 1.000 sec  Memory Limit : 128 MB

SubmitSolved: 1Submit Num: 2Statistics

Description

Sample Input Copy 

abbc

Sample Output Copy 

6

HINT

Source/Category

atcoder 字符串 双指针 滑动窗口 
Submit