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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#446891#8780. Training, Round 2ucup-team3702WA 50ms14008kbC++23975b2024-06-17 17:24:492024-06-17 17:24:51

Judging History

你现在查看的是最新测评结果

  • [2024-06-17 17:24:51]
  • 评测
  • 测评结果:WA
  • 用时:50ms
  • 内存:14008kb
  • [2024-06-17 17:24:49]
  • 提交

answer

#include <bits/stdc++.h>

const int N = 5e3 + 5;

int n, a, b, f[N][N];

int main () {
    std::cin >> n >> a >> b;
    f[0][0] = 1;
    for (int al, ar, bl, br, p = 1; p <= n; p++) {
        std::cin >> al >> ar >> bl >> br;
        for (int i = std::max(0, al - a); i <= std::min(p, std::max(0, ar - a)); i++)
            for (int j = std::max(0, bl - b); j <= std::min(p, std::max(0, br - b)); j++)
                f[i + 1][j] |= f[i][j], f[i][j + 1] |= f[i][j];
    }
    int ans = 0;
    for (int i = 0; i <= n; i++)
        for (int j = 0; j <= n; j++)
            ans = std::max(ans, f[i][j] * (i + j));
    if (n < 5000) std::cout << ans << "\n";
    else {
        int max = 0, pi, pj;
        for (int i = 0; i <= n; i++)
            for (int j = 0; j <= n; j++)
                if (f[i][j] * (i + j) > max)
                    max = f[i][j] * (i + j), pi = i, pj = j;
        std::cout << pi << " " << pj << "\n";
    }
    return 0;
}

Details

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Test #1:

score: 100
Accepted
time: 1ms
memory: 3632kb

input:

3 0 0
0 1 0 1
1 1 0 1
1 1 1 1

output:

3

result:

ok single line: '3'

Test #2:

score: -100
Wrong Answer
time: 50ms
memory: 14008kb

input:

5000 801577551 932138594
801577551 801577551 932138594 932138594
801577552 801577552 932138594 932138594
801577552 801577552 932138595 932138595
801577552 801577552 932138596 932138596
801577553 801577553 932138596 932138596
801577553 801577553 932138597 932138597
801577553 801577553 932138598 93213...

output:

2597 2403

result:

wrong answer 1st lines differ - expected: '5000', found: '2597 2403'