Submission #4044437

---

Source Code Expand

#include <bits/stdc++.h>
typedef long long ll;
#define INF 1000000000
#define MOD 1000000007
int dx[4]={1,0,-1,0},dy[4]={0,-1,0,1};
using namespace std;
int main(void){
   int n;
   cin>>n;
   double x[n],y[n];
   for(int i=0;i<n;i++){
      cin>>x[i]>>y[i];
   }
   double ans=-1;
   for(int i=0;i<n-1;i++){
      for(int j=i+1;j<n;j++){
         double t1=(y[j]-y[i]),t2=(x[j]-x[i]);
         double tmp=sqrt(t1*t1+t2*t2);
         ans=max(ans,tmp);
      }
   }
   cout<<ans<<endl;
   return 0;
}

Submission Info

Judge Result