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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#687571#9529. Farm ManagementSkyEyeController#WA 0ms3620kbC++231.3kb2024-10-29 19:46:522024-10-29 19:46:53

Judging History

你现在查看的是最新测评结果

  • [2024-10-29 19:46:53]
  • 评测
  • 测评结果:WA
  • 用时:0ms
  • 内存:3620kb
  • [2024-10-29 19:46:52]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
using i64 = long long;
#define int long long
void solve()
{
    int n, m;
    cin >> n >> m;
    vector<array<int, 3>> v(n);
    for (auto &[w, l, r] : v)
    {
        cin >> w >> l >> r;
    }
    vector<int> downs(n + 1);
    vector<int> dt(n + 1);
    vector<int> presum(n + 1);
    sort(v.rbegin(), v.rend());
    int anss = 0;
    int noww = 0;
    for (int i = 1; i <= n; i++)
    {
        auto &[w, l, r] = v[i - 1];
        downs[i] = (w * l);
        anss += downs[i];
        noww += l;
        dt[i] = dt[i - 1] + (r - l);
        presum[i] = presum[i - 1] + (r - l) * w;
    }
    int finalans = 0;
    for (int i = 1; i <= n; i++)
    {
        int l = 0, r = i;
        int tmpans = anss - downs[i];
        int res = m - (noww - v[i - 1][1]);
        while (l + 1 < r)
        {
            int mid = (l + r) / 2;
            if (dt[mid] <= res)
                l = mid;
            else
                r = mid;
        }
        tmpans += presum[l];
        res -= dt[l];
        tmpans += res * v[i - 1][0];
        finalans = max(finalans, tmpans);
    }
    cout << finalans << endl;
}
signed main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int t = 1;
    // cin >> t;
    while (t--)
        solve();
}

Details

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Test #1:

score: 100
Accepted
time: 0ms
memory: 3560kb

input:

5 17
2 3 4
6 1 5
8 2 4
4 3 3
7 5 5

output:

109

result:

ok single line: '109'

Test #2:

score: -100
Wrong Answer
time: 0ms
memory: 3620kb

input:

12 62
503792 9 10
607358 1 3
600501 10 10
33249 4 4
774438 6 6
197692 3 6
495807 8 8
790225 5 9
77272 3 8
494819 4 9
894779 3 9
306279 5 6

output:

34859047

result:

wrong answer 1st lines differ - expected: '35204500', found: '34859047'