Problem4158--count hi

4158: count hi

Time Limit: 1 Sec  Memory Limit: 128 MB
Submit: 32  Solved: 27
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Description

给你一个字符串
输出字符串中 hi 字符串的数量

Input

ABChi hi

Output

2

Sample Input Copy 

hiHIhi

Sample Output Copy 

2

Source/Category

基础语法 字符串 
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