Happy 2009

Time Limit: 3000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)
Total Submission(s): 2750 Accepted Submission(s): 919

Problem Description

No matter you know me or not. Bless you happy in 2009.

Input

The input contains multiple test cases.
Each test case included one string. There are made up of ‘a’-‘z’ or blank. The length of string will not large than 10000.

Output

For each test case tell me how many times “happy” can be constructed by using the string. Forbid to change the position of the characters in the string. The answer will small than 1000.

Sample Input

hopppayppy

happy
happ acm y

hahappyppy

Sample Output

Author

yifenfei

#include<stdio.h>

#include<string.h>

#include<algorithm>

#define MAX 11000

using namespace std;

int main()

{

	int n,m,j,i;

	char s[MAX];

	while(gets(s))

	{

		int len=strlen(s);

		int h,a,p,y;

		h=a=p=y=0;

		for(i=0;i<len;i++)

		{

			if(s[i]=='h')

			    h++;

			if(s[i]=='a')

			{

				if(a<h)

				a++;

			}

			if(s[i]=='p')

			{

				if(p<2*a)

				p++;

			}

			if(s[i]=='y')

			{

				if(y<p/2)

				y++;

			}

		}

		printf("%d\n",y);

	}

	return 0;

}

巴特西

hdu 3617 Happy 2009

Happy 2009

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