HDU-1283 简单模拟

简单得无话可说。

/*
 * hdu-1283
 * mike-w
 * 2012-4-21
 */
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#define CMD_LEN 256

char cmd[CMD_LEN];
int m1,m2,r1,r2,r3;

int main(void)
{
#ifndef ONLINE_JUDGE
	freopen("in","r",stdin);
#endif
	int i;
	while(scanf("%d%d",&m1,&m2)!=EOF)
	{
		scanf("%s",cmd);
		r1=r2=r3=0;
		for(i=0;cmd[i];i++)
		{
			switch(cmd[i])
			{
				case 'A':
					r1=m1;
					break;
				case 'B':
					r2=m2;
					break;
				case 'C':
					m1=r3;
					break;
				case 'D':
					m2=r3;
					break;
				case 'E':
					r3=r1+r2;
					break;
				case 'F':
					r3=r1-r2;
					break;
				default:
					break;
			}
		}
		printf("%d,%d\n",m1,m2);
	}
	return 0;
}