QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#600988#7744. ElevatorE7kWA 42ms5476kbC++203.2kb2024-09-29 20:24:382024-09-29 20:24:40

Judging History

你现在查看的是最新测评结果

  • [2024-09-29 20:24:40]
  • 评测
  • 测评结果:WA
  • 用时:42ms
  • 内存:5476kb
  • [2024-09-29 20:24:38]
  • 提交

answer

#include <bits/stdc++.h>
#define endl '\n'
#define int long long
#define gcd __gcd
using namespace std;
typedef pair<int,int> pii;
const int INF = 9e18;
const int inf = 2e9;

signed main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    int t;
    cin >> t;
    while(t --)
    {
        int n,k;
        cin >> n >> k;
        vector<array<int,3>> a(n + 1);
        vector<int> res;
        for(int i = 1;i <= n;i ++)
        {
            int c,w,f;
            cin >> c >> w >> f;
            a[i] = {f,c,w};
            // if(w & 1) res.push_back(i);
        }
        sort(a.begin()+1,a.end());
        for(int i = 1;i <= n;i ++)
        {
            if(a[i][2] & 1) res.push_back(i);
        }

        int ans = 0,sum = 0;
        for(int i = n,j = n;i >= 1;i --)
        {
            while(j >= 1 && a[j][1] <= 0) j --;

            if(sum + a[i][1] * a[i][2] <= k)
            {
                sum += a[i][1] * a[i][2];
                if(sum == k || i == 1)
                {
                    ans += a[j][0];
                    j = i - 1;
                    sum = 0;
                }
            }
            else
            {
                int tep = (k - sum) / a[i][2] * a[i][2];
                sum += tep;
                int lst = a[i][1] * a[i][2] - tep;
                if(sum < k)
                {
                    while(res.size() && a[res.back()][0] >= a[i][0]) res.pop_back();
                    int y = 1;
                    if(res.size() && y)
                    {
                        int x = res.back();
                        if(y >= a[x][1])
                        {
                            y -= a[x][1];
                            a[x][1] = 0;
                            res.pop_back();
                        }
                        else a[x][1] -= y;
                    }
                }
                sum = 0;
                ans += a[j][0];
                if(lst >= k)
                {
                    int cn = lst / a[i][2];
                    int cnt = lst / k;
                    ans += a[i][0] * cnt;
                    int l = 0,r = cn;
                    while(l < r)
                    {
                        int mid = l + r + 1 >> 1;
                        if(mid * a[i][2]) l = mid;
                        else r = mid - 1;
                    }
                    int x = l * a[i][2];
                    while(res.size() && a[res.back()][0] >= a[i][0]) res.pop_back();
                    while(x < k && cnt && res.size())
                    {
                        int y = res.back();
                        if(cnt >= a[y][1])
                        {
                            res.pop_back();
                            cnt -= a[y][1];
                            a[y][1] = 0;
                        }
                        else a[y][1] -= cnt;
                    }
                    lst %= k;
                }

                sum = lst;
                if(sum > 0) j = i;
                else j = i - 1;
                if(i == 1 && sum) ans += a[i][0];
            }
        }
        cout << ans << endl;
    }
}

Details

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Test #1:

score: 100
Accepted
time: 1ms
memory: 3576kb

input:

2
4 6
1 1 8
7 2 5
1 1 7
3 2 6
8 1200000
100000 1 100000
100000 1 12345
100000 2 100000
100000 2 12345
100000 1 100000
100000 1 12345
100000 2 100000
100000 2 12345

output:

24
100000

result:

ok 2 lines

Test #2:

score: -100
Wrong Answer
time: 42ms
memory: 5476kb

input:

5501
8 104
5 2 3
6 2 4
5 2 3
6 2 9
8 2 4
2 1 3
7 2 4
8 2 8
1 290
3 1 1
12 12
6 1 2
1 2 2
1 1 2
1 2 4
6 1 1
1 2 5
6 1 4
4 1 4
6 2 4
6 2 5
4 2 5
4 1 4
5 334
1 1 4
1 2 3
4 2 1
5 1 1
2 1 2
13 218
5 2 3
5 1 4
1 2 1
1 2 5
3 2 2
1 1 3
4 2 2
1 2 5
2 2 1
2 1 5
3 2 1
5 2 1
1 1 4
10 260
7 2 1
5 1 1
5 2 4
6 1 6...

output:

9
1
23
4
5
7
1
3
9
6
1
10
4
9
17
6
4
1
8
5
5
7
1
3
23
6
3
3
2
2
2
3
8
1
5
6
9
11
147
7
10
2
7
7
8
6
5
5
1
7
3
5
10
7
7
10
8
1
4
2
3
9
1
5
2
9
1
6
7
7
6
10
18
8
10
4
10
9
2
8
3
5
9
3
6
5
3
2
6
1
3
2
2
1
6
9
6
3
4
8
9
9
2
6
1
2
6
7
5
2
5
21
8
1
2
3
4
9
3
4
6
5
9
6
1
7
3
7
3
2
2
8
7
3
5
9
7
10
7
3
2
4
...

result:

wrong answer 362nd lines differ - expected: '552', found: '553'