Submission #42357119

Source Code Expand

import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		try (Scanner scanner = new Scanner(System.in)) {
			int n = scanner.nextInt();
			long[][] dp = new long[2][n];

			int x = scanner.nextInt();
			int y = scanner.nextInt();
			if (x == 0) {
				if (y >= 0) {
					dp[0][0] = y;
					dp[1][0] = y;
				} else {
					dp[0][0] = 0;
					dp[1][0] = 0;
				}
			} else {
				dp[0][0] = 0;
				dp[1][0] = Math.max(y, 0);
			}

			for (int i = 1; i < n; i++) {
				x = scanner.nextInt();
				y = scanner.nextInt();

				if (x == 0) {
					if (y >= 0) {
						long prev = Math.max(dp[0][i - 1], dp[1][i - 1]);
						dp[0][i] = prev + y;
						dp[1][i] = prev + y;
					} else {
						dp[0][i] = Math.max(dp[0][i - 1], dp[1][i - 1] + y);
						dp[1][i] = dp[1][i - 1];
					}
				} else {
					dp[0][i] = dp[0][i - 1];
					dp[1][i] = Math.max(dp[0][i - 1] + Math.max(y, 0), dp[1][i - 1]);
				}
			}

			System.out.println(Math.max(dp[0][n - 1], dp[1][n - 1]));
		}
	}
}

Submission Info

Submission Time
Task D - Poisonous Full-Course
User kmatsu
Language Java (OpenJDK 11.0.6)
Score 400
Code Size 1047 Byte
Status AC
Exec Time 719 ms
Memory 65092 KiB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 400 / 400
Status
AC × 3
AC × 31
Set Name Test Cases
Sample sample_01.txt, sample_02.txt, sample_03.txt
All sample_01.txt, sample_02.txt, sample_03.txt, test_01.txt, test_02.txt, test_03.txt, test_04.txt, test_05.txt, test_06.txt, test_07.txt, test_08.txt, test_09.txt, test_10.txt, test_11.txt, test_12.txt, test_13.txt, test_14.txt, test_15.txt, test_16.txt, test_17.txt, test_18.txt, test_19.txt, test_20.txt, test_21.txt, test_22.txt, test_23.txt, test_24.txt, test_25.txt, test_26.txt, test_27.txt, test_28.txt
Case Name Status Exec Time Memory
sample_01.txt AC 110 ms 35448 KiB
sample_02.txt AC 108 ms 35360 KiB
sample_03.txt AC 107 ms 35412 KiB
test_01.txt AC 106 ms 35636 KiB
test_02.txt AC 112 ms 35392 KiB
test_03.txt AC 106 ms 35504 KiB
test_04.txt AC 108 ms 35376 KiB
test_05.txt AC 283 ms 56484 KiB
test_06.txt AC 590 ms 61920 KiB
test_07.txt AC 490 ms 61272 KiB
test_08.txt AC 293 ms 56916 KiB
test_09.txt AC 472 ms 60080 KiB
test_10.txt AC 698 ms 64196 KiB
test_11.txt AC 609 ms 60968 KiB
test_12.txt AC 559 ms 61680 KiB
test_13.txt AC 633 ms 62456 KiB
test_14.txt AC 463 ms 61068 KiB
test_15.txt AC 658 ms 63012 KiB
test_16.txt AC 577 ms 65092 KiB
test_17.txt AC 608 ms 62560 KiB
test_18.txt AC 672 ms 62756 KiB
test_19.txt AC 705 ms 62536 KiB
test_20.txt AC 599 ms 62500 KiB
test_21.txt AC 639 ms 64192 KiB
test_22.txt AC 672 ms 62624 KiB
test_23.txt AC 719 ms 62560 KiB
test_24.txt AC 607 ms 62164 KiB
test_25.txt AC 709 ms 62892 KiB
test_26.txt AC 692 ms 62828 KiB
test_27.txt AC 684 ms 62992 KiB
test_28.txt AC 695 ms 62932 KiB