pat1043：输出PATest

https://www.patest.cn/contests/pat-b-practise/1043

#include "stdio.h"

int main()
{
	int i, j, max = 0, num[6] = {0};
	char ch;
	while(scanf("%c", &ch) && ('\n' != ch))
	{
		switch(ch)
		{
			case 'P': ++num[0]; break;
			case 'A': ++num[1]; break;
			case 'T': ++num[2]; break;
			case 'e': ++num[3]; break;
			case 's': ++num[4]; break;
			case 't': ++num[5]; break;
			default: break;
		}
	}
	for(i = 0; i < 6; ++i)
		if(max < num[i])
			max = num[i];
	for(i = 0; i < max; ++i)
		for(j = 0; j < 6; ++j)
			if(num[j])
			{
				--num[j];
				switch(j)
				{
					case 0: printf("P"); break;
					case 1: printf("A"); break;
					case 2: printf("T"); break;
					case 3: printf("e"); break;
					case 4: printf("s"); break;
					case 5: printf("t"); break;
					default: break;
				}
			}
	printf("\n");

	return 0;
}