Submission #1358587


Source Code Expand

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)
				edge -= d;
		}
		if (able) {
			// System.out.println(edge);
			able = (edge == N * k);
		}

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

}

Submission Info

Submission Time
Task B - Boxes
User idon
Language Java8 (OpenJDK 1.8.0)
Score 0
Code Size 1496 Byte
Status WA
Exec Time 225 ms
Memory 38428 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 500
Status
AC × 3
AC × 27
WA × 6
Set Name Test Cases
Sample sample1.txt, sample2.txt, sample3.txt
All 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
Case Name Status Exec Time Memory
in1.txt AC 183 ms 31908 KB
in10.txt WA 115 ms 23380 KB
in11.txt AC 174 ms 37204 KB
in12.txt AC 177 ms 35284 KB
in13.txt AC 168 ms 32724 KB
in14.txt AC 68 ms 18388 KB
in15.txt AC 70 ms 23380 KB
in16.txt WA 69 ms 16980 KB
in17.txt AC 69 ms 19924 KB
in18.txt AC 70 ms 21204 KB
in19.txt AC 69 ms 15700 KB
in2.txt AC 225 ms 38428 KB
in20.txt AC 68 ms 19156 KB
in21.txt AC 172 ms 35668 KB
in22.txt AC 194 ms 38236 KB
in23.txt AC 174 ms 35284 KB
in24.txt WA 91 ms 21972 KB
in25.txt WA 121 ms 27476 KB
in26.txt AC 163 ms 37844 KB
in27.txt AC 164 ms 37588 KB
in3.txt AC 214 ms 35036 KB
in4.txt AC 193 ms 37924 KB
in5.txt AC 192 ms 38168 KB
in6.txt AC 165 ms 35284 KB
in7.txt AC 176 ms 36308 KB
in8.txt WA 120 ms 25684 KB
in9.txt WA 123 ms 27476 KB
sample1.txt AC 68 ms 18132 KB
sample2.txt AC 68 ms 19796 KB
sample3.txt AC 68 ms 19156 KB