Submission #23042


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#include <algorithm>
#include <cstdio>
#include <cstdlib>
#include <cctype>
#include <cmath>
#include <iostream>
#include <queue>
#include <list>
#include <map>
#include <numeric>
#include <set>
#include <sstream>
#include <string>
#include <vector>
using namespace std;
#define REP(i,a,n) for(int i=(a); i<(int)(n); i++)
#define rep(i,n) REP(i,0,n)
#define FOR(it,c) for(__typeof((c).begin()) it=(c).begin(); it!=(c).end(); ++it)
#define ALLOF(c) (c).begin(), (c).end()
typedef long long ll;

int main(){
  int N;
  vector<pair<double,double> > v;
  cin >> N;
  rep(i,N){
    double x, y;
    cin >> x >> y;
    v.push_back(make_pair(x,y));
  }

  double maxd = 0.0;
  rep(i,N) REP(j,i+1,N) {
    double tmpd = sqrt( (v[i].first-v[j].first)*(v[i].first-v[j].first)+(v[i].second-v[j].second)*(v[i].second-v[j].second) );
    maxd = max(maxd, tmpd);
  }

  printf("%.10lf\n", maxd);
  
  return 0;
}

Submission Info

Submission Time
Task A - 2点間距離の最大値 ( The longest distance )
User phyllo
Language C++ (G++ 4.6.4)
Score 100
Code Size 938 Byte
Status
Exec Time 23 ms
Memory 896 KB

Judge Result

Set Name Score / Max Score Test Cases
All 100 / 100 00_max.txt, 00_sample_01.txt, 00_sample_02.txt, 00_sample_03.txt, 00_sample_04.txt, 00_sample_05.txt, 01_rnd_00.txt, 01_rnd_01.txt, 01_rnd_02.txt, 01_rnd_03.txt, 01_rnd_04.txt, 01_rnd_05.txt, 01_rnd_06.txt, 01_rnd_07.txt, 01_rnd_08.txt, 01_rnd_09.txt, 01_rnd_10.txt, 01_rnd_11.txt, 01_rnd_12.txt, 01_rnd_13.txt, 01_rnd_14.txt, 01_rnd_15.txt, 01_rnd_16.txt, 01_rnd_17.txt, 01_rnd_18.txt, 01_rnd_19.txt
Case Name Status Exec Time Memory
00_max.txt 20 ms 812 KB
00_sample_01.txt 20 ms 780 KB
00_sample_02.txt 21 ms 788 KB
00_sample_03.txt 22 ms 896 KB
00_sample_04.txt 22 ms 788 KB
00_sample_05.txt 21 ms 788 KB
01_rnd_00.txt 20 ms 788 KB
01_rnd_01.txt 20 ms 792 KB
01_rnd_02.txt 20 ms 788 KB
01_rnd_03.txt 22 ms 796 KB
01_rnd_04.txt 21 ms 784 KB
01_rnd_05.txt 22 ms 792 KB
01_rnd_06.txt 21 ms 788 KB
01_rnd_07.txt 21 ms 776 KB
01_rnd_08.txt 21 ms 792 KB
01_rnd_09.txt 21 ms 784 KB
01_rnd_10.txt 21 ms 768 KB
01_rnd_11.txt 21 ms 788 KB
01_rnd_12.txt 23 ms 800 KB
01_rnd_13.txt 22 ms 776 KB
01_rnd_14.txt 21 ms 796 KB
01_rnd_15.txt 21 ms 796 KB
01_rnd_16.txt 21 ms 788 KB
01_rnd_17.txt 22 ms 792 KB
01_rnd_18.txt 21 ms 792 KB
01_rnd_19.txt 22 ms 768 KB