AtCoder Regular Contest 004

Submission #1176443

Source codeソースコード

#include "bits/stdc++.h"
using namespace std;
#ifdef _DEBUG
#include "dump.hpp"
#else
#define dump(...)
#endif

//#define int long long
#define rep(i,a,b) for(int i=(a);i<(b);i++)
#define rrep(i,a,b) for(int i=(b)-1;i>=(a);i--)
#define all(c) begin(c),end(c)
const int INF = sizeof(int) == sizeof(long long) ? 0x3f3f3f3f3f3f3f3fLL : 0x3f3f3f3f;
const int MOD = (int)(1e9) + 7;
template<class T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return true; } return false; }
template<class T> bool chmin(T &a, const T &b) { if (b < a) { a = b; return true; } return false; }

signed main() {
	cin.tie(0);
	ios::sync_with_stdio(false);
	int N; cin >> N;
	cout << fixed << setprecision(10);
	vector<double> x(N), y(N); rep(i, 0, N) { cin >> x[i] >> y[i]; }
	double ans = 0;
	rep(i, 0, N)rep(j, 0, N) {
		chmax(ans, (x[i] - x[j])*(x[i] - x[j]) + (y[i] - y[j])*(y[i] - y[j]));
	}
	cout << sqrt(ans) << endl;
	return 0;
}

Submission

Task問題 A - 2点間距離の最大値 ( The longest distance )
User nameユーザ名 minami
Created time投稿日時
Language言語 C++14 (GCC 5.4.1)
Status状態 AC
Score得点 100
Source lengthソースコード長 947 Byte
File nameファイル名
Exec time実行時間 1 ms
Memory usageメモリ使用量 256 KB

Test case

Set

Set name Score得点 / Max score 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

Test case

Case name Status状態 Exec time実行時間 Memory usageメモリ使用量
00_max.txt AC 1 ms 256 KB
00_sample_01.txt AC 1 ms 256 KB
00_sample_02.txt AC 1 ms 256 KB
00_sample_03.txt AC 1 ms 256 KB
00_sample_04.txt AC 1 ms 256 KB
00_sample_05.txt AC 1 ms 256 KB
01_rnd_00.txt AC 1 ms 256 KB
01_rnd_01.txt AC 1 ms 256 KB
01_rnd_02.txt AC 1 ms 256 KB
01_rnd_03.txt AC 1 ms 256 KB
01_rnd_04.txt AC 1 ms 256 KB
01_rnd_05.txt AC 1 ms 256 KB
01_rnd_06.txt AC 1 ms 256 KB
01_rnd_07.txt AC 1 ms 256 KB
01_rnd_08.txt AC 1 ms 256 KB
01_rnd_09.txt AC 1 ms 256 KB
01_rnd_10.txt AC 1 ms 256 KB
01_rnd_11.txt AC 1 ms 256 KB
01_rnd_12.txt AC 1 ms 256 KB
01_rnd_13.txt AC 1 ms 256 KB
01_rnd_14.txt AC 1 ms 256 KB
01_rnd_15.txt AC 1 ms 256 KB
01_rnd_16.txt AC 1 ms 256 KB
01_rnd_17.txt AC 1 ms 256 KB
01_rnd_18.txt AC 1 ms 256 KB
01_rnd_19.txt AC 1 ms 256 KB