AtCoder Grand Contest 010

Submission #1358596

Source codeソースコード

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

class Main {
	public static void main(String args[]) throws IOException {
		BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
		Solver solver = new Solver();
		solver.init();
		solver.readHead(in.readLine());
		for (; solver.hasNext();) {
			solver.readBody(in.readLine());
		}
	}
}

class Solver {
	int N;
	int cnt;

	public void init() {
		N = 0;
		cnt = 0;
	}

	public void readHead(String str) {
		String[] strArr = str.split(" ");
		N = Integer.parseInt(strArr[0]);
		// System.out.println(N);
	}

	public boolean hasNext() {
		// return cnt < N;
		return cnt < 1;
	}

	public void readBody(String str) {
		// System.out.println(str);
		cnt++;
		String[] strArr = str.split(" ");
		long sum = 0;
		for (int i = 0; i < N; i++) {
			sum += Long.parseLong(strArr[i]);
		}
		long k = sum / (N * (N + 1) / 2);

		boolean able = true;
		long edge = 0;
		for (int i = 0; i < N; i++) {
			long d = -Long.parseLong(strArr[i]) - k;
			if (i == N - 1)
				d += Long.parseLong(strArr[0]);
			else
				d += Long.parseLong(strArr[i + 1]);
			// System.out.println(d);
			if (d > 0) {
				able = false;
				break;
			}
			if (d < 0) {
				if (d % N != 0) {
					able = false;
					break;
				}
				edge -= d;
			}
		}
		if (able) {
			// System.out.println(edge);
			able = (edge == N * k);
		}

		if (able)
			System.out.println("YES");
		else
			System.out.println("NO");
	}

}

Submission

Task問題 B - Boxes
User nameユーザ名 i-don
Created time投稿日時
Language言語 Java8 (OpenJDK 1.8.0)
Status状態 WA
Score得点 0
Source lengthソースコード長 1567 Byte
File nameファイル名
Exec time実行時間 ms
Memory usageメモリ使用量 -

Test case

Set

Set name Score得点 / Max score Cases
Sample - sample1.txt,sample2.txt,sample3.txt
All 0 / 500 sample1.txt,sample2.txt,sample3.txt,in1.txt,in10.txt,in11.txt,in12.txt,in13.txt,in14.txt,in15.txt,in16.txt,in17.txt,in18.txt,in19.txt,in2.txt,in20.txt,in21.txt,in22.txt,in23.txt,in24.txt,in25.txt,in26.txt,in27.txt,in3.txt,in4.txt,in5.txt,in6.txt,in7.txt,in8.txt,in9.txt,sample1.txt,sample2.txt,sample3.txt

Test case

Case name Status状態 Exec time実行時間 Memory usageメモリ使用量
in1.txt WA
in10.txt AC 115 ms 23636 KB
in11.txt AC 174 ms 35668 KB
in12.txt AC 162 ms 34004 KB
in13.txt AC 171 ms 35872 KB
in14.txt AC 69 ms 19284 KB
in15.txt AC 68 ms 19156 KB
in16.txt WA
in17.txt AC 69 ms 19924 KB
in18.txt AC 71 ms 19796 KB
in19.txt AC 70 ms 19152 KB
in2.txt WA
in20.txt AC 69 ms 19028 KB
in21.txt AC 174 ms 36052 KB
in22.txt AC 173 ms 37460 KB
in23.txt AC 196 ms 35548 KB
in24.txt AC 98 ms 17620 KB
in25.txt AC 115 ms 25424 KB
in26.txt AC 178 ms 37588 KB
in27.txt AC 164 ms 37584 KB
in3.txt WA
in4.txt WA
in5.txt WA
in6.txt AC 188 ms 38236 KB
in7.txt AC 188 ms 35036 KB
in8.txt AC 113 ms 22996 KB
in9.txt AC 117 ms 21204 KB
sample1.txt AC 69 ms 19924 KB
sample2.txt AC 69 ms 23124 KB
sample3.txt AC 67 ms 21204 KB