Submission #3790380


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#include<iostream>
#include <cstdio>
#include <iomanip>
#include<vector>
#include<algorithm>
#include <cmath>

using namespace std;
#define rep(i, s, n) for(int i = s;i<n;i++)
using ll = long long int;

int main(void) {
    int N;
    vector<pair<int, int>> point(100000);
    cin >> N;

    rep(i, 0, N) {
        cin >> point[i].first >> point[i].second;
    }

    float max_dist = sqrt((point[0].first - point[1].first) * (point[0].first - point[1].first) +
                          (point[0].second - point[1].second) * (point[0].second - point[1].second));
    rep(i, 0, N) {
        rep(j, i, N) {
            float dist = sqrt((point[i].first - point[j].first) * (point[i].first - point[j].first) +
                              (point[i].second - point[j].second) * (point[i].second - point[j].second));

            max_dist = max(max_dist, dist);
        }
    }
    printf("%.6f\n",max_dist);
}

Submission Info

Submission Time
Task A - 2点間距離の最大値 ( The longest distance )
User Laylania
Language C++14 (GCC 5.4.1)
Score 100
Code Size 938 Byte
Status
Exec Time 2 ms
Memory 1024 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 2 ms 1024 KB
00_sample_01.txt 2 ms 1024 KB
00_sample_02.txt 2 ms 1024 KB
00_sample_03.txt 2 ms 1024 KB
00_sample_04.txt 2 ms 1024 KB
00_sample_05.txt 2 ms 1024 KB
01_rnd_00.txt 2 ms 1024 KB
01_rnd_01.txt 2 ms 1024 KB
01_rnd_02.txt 2 ms 1024 KB
01_rnd_03.txt 2 ms 1024 KB
01_rnd_04.txt 2 ms 1024 KB
01_rnd_05.txt 2 ms 1024 KB
01_rnd_06.txt 2 ms 1024 KB
01_rnd_07.txt 2 ms 1024 KB
01_rnd_08.txt 2 ms 1024 KB
01_rnd_09.txt 2 ms 1024 KB
01_rnd_10.txt 2 ms 1024 KB
01_rnd_11.txt 2 ms 1024 KB
01_rnd_12.txt 2 ms 1024 KB
01_rnd_13.txt 2 ms 1024 KB
01_rnd_14.txt 2 ms 1024 KB
01_rnd_15.txt 2 ms 1024 KB
01_rnd_16.txt 2 ms 1024 KB
01_rnd_17.txt 2 ms 1024 KB
01_rnd_18.txt 2 ms 1024 KB
01_rnd_19.txt 2 ms 1024 KB