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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#684563#9529. Farm ManagementHojstyer#WA 0ms3588kbC++201.6kb2024-10-28 14:25:182024-10-28 14:25:19

Judging History

你现在查看的是最新测评结果

  • [2024-10-28 14:25:19]
  • 评测
  • 测评结果:WA
  • 用时:0ms
  • 内存:3588kb
  • [2024-10-28 14:25:18]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;

typedef long long ll;

void solve()
{
    ll n, m;
    cin >> n >> m;
    vector<array<int, 3>> crop(n + 3);
    ll res = 0, t = m;
    for (int i = 1; i <= n; ++i)
    {
        int w, l, r;
        cin >> w >> l >> r;
        crop[i] = {w, l, r};
        res += l * w;
        t -= l;
    }
    sort(crop.begin() + 1, crop.begin() + 1 + n, greater<array<int, 3>>());

    vector<ll> pre(n + 1), pval(n + 1);
    for (int i = 1; i <= n; ++i)
    {
        auto [w, l, r] = crop[i];
        pre[i] = pre[i - 1] + r - l;
        pval[i] = pval[i - 1] + 1ll * (r - l) * w;
    }

    ll ans = res;
    for (int i = 1; i <= n; ++i)
    {
        auto [w, l, r] = crop[i];
        ans = max(ans, res + 1ll * t * w);
        int j = lower_bound(pre.begin() + 1, pre.begin() + 1 + n, t + l + 1) - pre.begin();
        --j;
        if (j < i)
        {
            if (j + 1 != i)
                ans = max(ans, res - 1ll * l * w + pval[j] + 1ll * (t + l - pre[j]) * crop[j + 1][0]);
            else
                ans = max(ans, res - 1ll * l * w + pval[j] + 1ll * (t + l - pre[j]) * crop[j + 2][0]);
        }
        else
        {
            int j = lower_bound(pre.begin() + 1, pre.begin() + 1 + n, t + r + 1) - pre.begin();
            --j;
            ans = max(ans, res - 1ll * r * w + pval[j] + 1ll * (t + r - pre[j]) * crop[j + 1][0]);
        }
    }
    cout << ans << '\n';
}

int main()
{
    ios::sync_with_stdio(false);
    cin.tie(0), cout.tie(0);

    int t = 1;
    // cin >> t;
    while (t--)
    {
        solve();
    }

    return 0;
}

详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 3524kb

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: 0
Accepted
time: 0ms
memory: 3532kb

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:

35204500

result:

ok single line: '35204500'

Test #3:

score: 0
Accepted
time: 0ms
memory: 3584kb

input:

15 32
835418 2 3
178262 1 3
527643 2 2
519710 1 1
774544 3 3
82312 1 1
808199 1 1
809396 1 3
255882 1 3
80467 1 3
874973 1 3
813965 1 2
198275 1 2
152356 1 3
802055 1 1

output:

22000255

result:

ok single line: '22000255'

Test #4:

score: 0
Accepted
time: 0ms
memory: 3588kb

input:

13 20
526447 1 1
807398 2 2
4167 1 2
944031 2 2
830685 2 2
394251 1 2
505011 1 2
968848 1 1
58170 1 3
32504 1 1
792273 3 3
196120 1 2
714507 1 1

output:

12878768

result:

ok single line: '12878768'

Test #5:

score: 0
Accepted
time: 0ms
memory: 3524kb

input:

13 32
582584 1 3
335440 3 3
971984 1 2
864169 1 2
528515 1 1
382399 1 2
459855 1 2
406909 2 3
66780 2 3
885118 3 3
434844 1 2
93331 1 3
502509 1 3

output:

22065034

result:

ok single line: '22065034'

Test #6:

score: 0
Accepted
time: 0ms
memory: 3516kb

input:

12 77
30244 1 7
518214 3 8
486001 8 9
152634 2 3
180255 3 4
791887 1 6
635820 2 9
881171 3 5
337905 3 8
683182 5 5
300786 3 6
339094 7 9

output:

50453764

result:

ok single line: '50453764'

Test #7:

score: -100
Wrong Answer
time: 0ms
memory: 3576kb

input:

10 3923726
826284 215861 638800
471693 146746 886003
140800 532315 684546
673434 604071 814259
170671 299465 525449
104262 689547 855391
215333 591975 803421
795321 31606 984783
103838 361911 601318
145693 450227 686945

output:

485338880083

result:

wrong answer 1st lines differ - expected: '1597735409747', found: '485338880083'