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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#586353#7744. ElevatormhwTL 0ms13020kbC++231.9kb2024-09-24 11:06:292024-09-24 11:06:29

Judging History

你现在查看的是最新测评结果

  • [2024-09-24 11:06:29]
  • 评测
  • 测评结果:TL
  • 用时:0ms
  • 内存:13020kb
  • [2024-09-24 11:06:29]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pii pair<int, int>
#define inf 0x3f3f3f3f
#define db double
#define il inline
#define x first
#define y second
#define endl '\n'
const int N = 2e5 + 5;
const int mod = 998244353;
int nex[N];
struct node
{
    int c, w, f;
}e[N], e2[N];
int cmp(node a, node b)
{
    return a.f > b.f;
}
void solve()
{
    int n, k;
    cin >> n >> k;
    int ans = 0;
    for (int i = 1; i <= n; i++)
    {
        int c, w, f;
        cin >> c >> w >> f;
        e[i] = {c, w, f};
    }
    int lst = n, cnt = 0;
    for (int i = n; i >= 1; i--)
    {
        auto [c, w, f] = e[i];
        if (c & 1) lst = i;
        else nex[i] = lst;
        ans += c * w / k * f;
        if (c * w % k > 0) e2[++cnt] = {w, c * w % k, f};
    }
    swap(e, e2);
    sort(e + 1, e + cnt + 1, cmp);
    int mx = e[1].f, sum = e[1].w;
    // cout << e[1].c << ' ' << e[1].w << ' ' << e[1].f << endl;
    for (int i = 2; i <= cnt; i++)
    {
        // cout << e[i].c << ' ' << e[i].w << ' ' << e[i].f << endl;
        if (sum + e[i].w > k)
        {
            // cout << "debug " << sum << ' ' << mx << endl;
            ans += mx;
            if (e[i].c & 1) e[i].w -= (k - sum);
            else 
            {
                if ((k - sum) & 1) e[i].w -= (k - sum - 1), e[nex[i]].w -= 1;
                else e[i].w -= (k - sum);
            }
            mx = e[i].f;
            sum = e[i].w;
        }
        else sum += e[i].w;
    }
    ans += mx;
    cout << ans << endl;
}
signed main()
{
    // freopen("D:\\3022244240\\vscode\\txt\\in.txt", "r", stdin);
    // freopen("D:\\3022244240\\vscode\\txt\\out.txt", "w", stdout);
    ios::sync_with_stdio(false);
    cin.tie(0); cout.tie(0);
    int T = 1; cin >> T;
    while (T--) solve();
    return 0;
}

/*
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
*/

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 13020kb

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
Time Limit Exceeded

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: