AtCoder Regular Contest 004

Submission #22958

Source codeソースコード

#include <cmath>
#include <ctime>
#include <iostream>
#include <string>
#include <vector>
#include <cassert>
#include <algorithm>
#include <sstream>
#include <utility>
#include <numeric>
#include <complex>
#include <cstdio>
#define ALL(a) (a).begin(), (a).end()
#define RALL(a) (a).rbegin(), (a).rend()
#define SZ(a) ((int)(a).size())
#define EACH(i,c) for(typeof((c).begin()) i=(c).begin(); i!=(c).end(); ++i)
#define FOR(i, a, b) for(int i=(a); i<(b); ++i)
#define REP(i, n) FOR(i, 0, n)
#define FOREACH(i, a) REP(i, SZ(a))
using namespace std;

int main() {
	int N;
	scanf("%d", &N);
	int x[N], y[N];
	for(int i=0; i<N; ++i) {
		scanf("%d%d", &x[i], &y[i]);
	}

	double ret = 0;
	for(int i=0; i<N; ++i) {
		for(int j=i+1; j<N; ++j) {
			int dx = x[i] - x[j];
			int dy = y[i] - y[j];
			double z = sqrt(dx*dx + dy*dy);
			ret = max(ret, z);
		}
	}
	printf("%.9f\n", ret);

	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 colun
Created time投稿日時
Language言語 C++ (G++ 4.6.4)
Status状態 AC
Score得点 100
Source lengthソースコード長 931 Byte
File nameファイル名
Exec time実行時間 48 ms
Memory usageメモリ使用量 820 KB

Compiler messageコンパイルメッセージ

./Main.cpp: In function ‘int main()’:
./Main.cpp:24:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
./Main.cpp:27:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]

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 22 ms 780 KB
00_sample_01.txt AC 21 ms 792 KB
00_sample_02.txt AC 22 ms 792 KB
00_sample_03.txt AC 22 ms 796 KB
00_sample_04.txt AC 23 ms 816 KB
00_sample_05.txt AC 23 ms 788 KB
01_rnd_00.txt AC 24 ms 788 KB
01_rnd_01.txt AC 23 ms 760 KB
01_rnd_02.txt AC 23 ms 820 KB
01_rnd_03.txt AC 23 ms 800 KB
01_rnd_04.txt AC 23 ms 784 KB
01_rnd_05.txt AC 23 ms 768 KB
01_rnd_06.txt AC 23 ms 788 KB
01_rnd_07.txt AC 22 ms 788 KB
01_rnd_08.txt AC 24 ms 792 KB
01_rnd_09.txt AC 24 ms 760 KB
01_rnd_10.txt AC 23 ms 792 KB
01_rnd_11.txt AC 21 ms 796 KB
01_rnd_12.txt AC 23 ms 764 KB
01_rnd_13.txt AC 48 ms 792 KB
01_rnd_14.txt AC 23 ms 772 KB
01_rnd_15.txt AC 23 ms 756 KB
01_rnd_16.txt AC 29 ms 784 KB
01_rnd_17.txt AC 23 ms 792 KB
01_rnd_18.txt AC 23 ms 796 KB
01_rnd_19.txt AC 22 ms 792 KB