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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
#694728#9529. Farm Managementxiey#WA 0ms3704kbC++202.9kb2024-10-31 18:32:442024-10-31 18:32:45

Judging History

你现在查看的是最新测评结果

  • [2024-10-31 18:32:45]
  • 评测
  • 测评结果:WA
  • 用时:0ms
  • 内存:3704kb
  • [2024-10-31 18:32:44]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
struct s
{
    int w, l, r, c;
    bool operator<(const s &W) const { return w < W.w; }
};
void solve()
{
    ll n, m;
    cin >> n >> m;
    s a[n + 5];
    ll sum = 0, num = 0;
    ll maxn = 0;
    for (int i = 1; i <= n; i++)
    {
        cin >> a[i].w >> a[i].l >> a[i].r;
        a[i].c = a[i].r - a[i].l;
        sum += a[i].l * a[i].w;
        num += a[i].l;
    }
    sort(a + 1, a + n + 1);
    maxn = sum + (m - num) * a[n].w;
    ll tmp = m - num;
    for (int i = n; i >= 1; i--)
    {
        if (tmp - a[i].c >= 0)
        {
            tmp -= a[i].c;
            sum += a[i].w * a[i].c;
            num += a[i].c;
            a[i].c = 0;
            a[i].l = a[i].r;
        }
        else
        {
            sum += a[i].w * tmp;
            num += tmp;
            a[i].c -= tmp;
            a[i].l += tmp;
            break;
        }
    }
    maxn = max(maxn, sum);
    // cout << num << endl;

    int z[n + 5] = {}, v[n + 5] = {};
    for (int i = n; i >= 1; i--)
    {
        z[i] = z[i + 1] + a[i].c;
        v[i] = v[i + 1] + a[i].c * a[i].w;
    }
    // for (int i = 1; i <= n; i++)
    // {
    //     cout << z[i] << " ";
    // }
    // cout << endl;
    // cout << sum << endl;
    for (int i = 1; i <= n; i++)
    {
        tmp = sum;
        int l = 1, r = n;
        while (l < r)
        {
            int mid = (l + r + 1) / 2;
            if (a[i].l >= z[mid])
            {
                r = mid - 1;
            }
            else
            {
                l = mid;
            }
        }
        if (l >= i)
        {
            // cout << i << " " << a[i].l << " " << l << " " << r << endl;
            if (z[l] > a[i].l)
            {
                tmp = tmp - a[i].l * a[i].w + v[l + 1] + (a[i].l - z[l + 1]) * a[l].w;
                maxn = max(tmp, maxn);
                // cout << tmp << "11111111111111" << endl;
            }
            else if (z[l] == a[i].l)
            {
                if (l == i)
                    tmp = tmp - a[i].l * a[i].w + v[l + 1] + (a[i].l - z[l + 1]) * a[i].w;
                else
                    tmp = tmp - a[i].l * a[i].w + v[l];
                maxn = max(tmp, maxn);
                // cout << tmp << "22222222222222222222" << endl;
            }
            else if (z[l] < a[i].l)
            {
                //   cout << tmp << " "<<z[l] <<" "<<l<<" "<<v[l+1]<<endl;
                tmp = tmp - z[l] * a[i].w + v[l + 1] + (z[l] - z[l + 1]) * a[i].w;
                maxn = max(tmp, maxn);
                // cout << tmp << "333333333" << endl;
            }
        }
    }

    cout << maxn << endl;
}
int main()
{
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int t = 1;
    // cin>>t;
    while (t--)
        solve();
    return 0;
}

詳細信息

Test #1:

score: 100
Accepted
time: 0ms
memory: 3580kb

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: 3704kb

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: 3580kb

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: 3584kb

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: 3648kb

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: 3644kb

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:

7575635

result:

wrong answer 1st lines differ - expected: '1597735409747', found: '7575635'