题解 | #坐标移动#

#include "stdio.h" 
int main()
{
	char str[10001];
	gets(str);
	int i = 0;
	char dir = 0;//direction 
	int dis = 0;//distance 
	int x = 0;
	int y = 0; 
	while(str[i])
	{
		if(dir==0)
		{
			if(str[i]=='W'||str[i]=='A'||str[i] == 'S'||str[i] == 'D')
				dir = str[i];
			else 
				while(str[i]!=';')i++;
			i++;

		}
		else if(dir)
		{
			if(str[i]>='0'&&str[i]<='9')
			{
				dis = dis*10 + str[i] -'0';
				i++;
			}
			else if(str[i]==';')
			{
				if(dis)
					switch(dir)
					{
						case 'A':x = x-dis; break;
						case 'S':y = y-dis; break;
						case 'W':y = y+dis; break;
						case 'D':x = x+dis; break;
					}
				dis = 0;
				dir = 0;
				i++;
			}
			else
			{
				while(str[i]!=';')i++;
				dis = 0;
				dir = 0;	
			}
		}
	}
	printf("%d,%d",x,y);
}