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0_0_13806725_21490.cpp:1:10: error: #include expects "FILENAME" or <FILENAME>
 #include #include #include #include using namespace std;double a[10000];double b[10000];int ti[10000];double dis(int i,int j){    return sqrt((a[i]-a[j])*(a[i]-a[j])+(b[i]-b[j])*(b[i]-b[j]));}int main(){    int t,n;    scanf("%d",&t);    while(t--)    {        scanf("%d",&n);        double ans=0;        for(int i=0;i      
          ^