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那我这样怎么不行In Reply To:不知道怎么结束输入 Posted by:acm_bug at 2006-10-04 09:49:22 #include<iostream> #include<stdio.h> using namespace std; int main() { double x0,y0,x1,y1,x,y,d0,d1,xx,yy; bool eat=1;int i=0; cin>>x0>>y0>>x1>>y1; while(scanf("%f%f",&x,&y)!=EOF&&i<1000) {++i; d0=(x0-x)*(x0-x)+(y0-y)*(y0-y); d1=(x-x1)*(x-x1)+(y-y1)*(y-y1); if(d1>4*d0&&eat==1){eat=0;xx=x;yy=y;} } if(!eat)cout<<"The gopher can escape through the hole at ("<<xx<<","<<yy<<")."<<endl; else cout<<"The gopher cannot escape."<<endl; getchar(); return 0; } Followed by: Post your reply here: |
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