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小心-0.00这样的输出In Reply To:为什么一直WA啊,哪位高手给看一下我的代码吧？我试了好几组都没问题！谢谢了！！ Posted by:shunan at 2005-10-18 21:36:05 > #include<stdio.h>
> #include<string.h>
> #include<math.h>
> #define pi 3.1415926535
> char s[210],ss[3],s1[8][3]={"N","S","W","E","NW","NE","SE","SW"};
> double s2[8]={pi/2,pi*3/2,pi,0,pi*3/4,pi/4,pi*7/4,pi*5/4};
> int n,count;
> double d,x,y;
> void go_head(int dd)
> {
> int i;
> for(i=0;i<8;i++)
> if(strcmp(ss,s1[i])==0)
> {
> y+=dd*sin(s2[i]);
> x+=dd*cos(s2[i]);
> break;
> }
> }
> int main()
> {
> int i,test=0,di,dd;
> while(scanf("%s",s))
> {
> if(strcmp(s,"END")==0)break;
> test++;
> x=y=0.0;
> di=0;count=0;
> for(i=0;s[i]!='.';i++)
> {
> if(s[i]==',')
> {
> ss[count++]='\0';
> go_head(di);
> di=0;count=0;
> continue;
> }
> if(s[i]>=48&&s[i]<=57)
> {
> dd=s[i]-48;
> di=di*10+dd;continue;
> }
> if(s[i]>='A'&&s[i]<='Z')
> {
> ss[count++]=s[i];
> }
> }
> go_head(di);
> printf("Map #%d\n",test);
> d=sqrt(x*x+y*y);
> if(fabs(x)<1e-5)x=0.0;
> if(fabs(y)<1e-5)y=0.0;
> printf("The treasure is located at (%.3lf,%.3lf).\n",x,y);
> printf("The distance to the treasure is %.3lf.\n\n",d);
> }
> return 0;
> }
>
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