題目鏈接:http://acm.hdu.edu.cn/showproblem.php?pid=1033
題意就是四個方向的轉。。。。水題!!!!看代碼。
代碼:
#include<cstdio>
#include<iostream>
#include<algorithm>
#define N 205
#include<cstring>
using namespace std;
char s[N];
int main() {
while(scanf("%s",s)!=EOF) {
int len=strlen(s);
printf("300 420 moveto\n310 420 lineto\n");
int x=310,y=420;
int dir=0;
for(int i=0; i<len; i++) {
if(s[i]=='V')
{
switch(dir)
{
case 0: y+=10; break;
case 1: x+=10; break;
case 2: y-=10; break;
case 3: x-=10; break;
}
dir=(dir+3)%4;
}
else if(s[i]=='A')
{
switch(dir)
{
case 0: y-=10; break;
case 1: x-=10; break;
case 2: y+=10; break;
case 3: x+=10; break;
}
dir=(dir+1)%4;
}
printf("%d %d lineto\n",x,y);
}
printf("stroke\nshowpage\n");
}
}