为什么这道题我在本地调试可以通过，为什么复制到答题环境就是0ac？
代码如下，各位能帮我看看哪里有问题吗
#include<iostream>
#include <sstream>
#include<string>
#include<vector>
using namespace std;
int main(){
int radius, x_center, y_center, x1, y1, x2, y2;
while(cin >> radius >> x_center >> y_center >> x1 >> y1 >> x2 >> y2){
int x, y;
bool count = false;
if(x_center > x2)
x = x2;
else if(x_center < x1)
x = x1;
else
x = x_center;
if(y_center > y2)
y = y2;
else if(y_center < y1)
y = y1;
else
y = y_center;
int dist = (x - x_center) * (x - x_center) + (y - y_center) * (y -y_center);
if(dist <= radius * radius)
count = true;
cout <<boolalpha << count <<endl;
}
} 
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