Submission #1832909


Source Code Expand

import java.io.OutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Scanner;

/**
 * Built using CHelper plug-in
 * Actual solution is at the top
 */
public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        TaskB solver = new TaskB();
        solver.solve(1, in, out);
        out.close();
    }

    static class TaskB {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            int n = in.nextInt();
            long a[] = new long[n];
            long ans = 0;
            for (int i = 0; i < n; i++) {
                a[i] = in.nextInt();
                ans += a[i] / 2;
                a[i] %= 2;
            }
            long ans1 = 0, ans2 = 0;
            for (int i = 0; i < n - 1; i += 2) {
                if (a[i] == 1 && a[i + 1] == 1) {
                    ans1++;
                    a[i]--;
                    a[i + 1]--;
                }
            }
            for (int i = 1; i < n - 1; i += 2) {
                if (a[i] == 1 && a[i + 1] == 1) {
                    ans2++;
                    a[i]--;
                    a[i + 1]--;
                }
            }
            out.println(ans + Math.max(ans1, ans2));
        }

    }
}

Submission Info

Submission Time
Task B - Simplified mahjong
User aim_cpo
Language Java8 (OpenJDK 1.8.0)
Score 0
Code Size 1519 Byte
Status WA
Exec Time 479 ms
Memory 63436 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 400
Status
AC × 2
AC × 12
WA × 12
Set Name Test Cases
Sample s1.txt, s2.txt
All 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, 20.txt, 21.txt, 22.txt, s1.txt, s2.txt
Case Name Status Exec Time Memory
01.txt WA 456 ms 46192 KB
02.txt WA 452 ms 56652 KB
03.txt WA 462 ms 59396 KB
04.txt WA 456 ms 47656 KB
05.txt WA 418 ms 62316 KB
06.txt WA 418 ms 50112 KB
07.txt WA 453 ms 49172 KB
08.txt WA 432 ms 48224 KB
09.txt WA 467 ms 58120 KB
10.txt WA 470 ms 46512 KB
11.txt AC 358 ms 62204 KB
12.txt AC 479 ms 52468 KB
13.txt AC 473 ms 60804 KB
14.txt AC 452 ms 46224 KB
15.txt AC 375 ms 63436 KB
16.txt WA 467 ms 48656 KB
17.txt WA 473 ms 48284 KB
18.txt AC 95 ms 19412 KB
19.txt AC 95 ms 18900 KB
20.txt AC 95 ms 21204 KB
21.txt AC 94 ms 18644 KB
22.txt AC 92 ms 21844 KB
s1.txt AC 94 ms 21588 KB
s2.txt AC 94 ms 20564 KB