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Submission #319623

# Submission time Handle Problem Language Result Execution time Memory
319623 2020-11-05T22:04:16 Z tevdore Carnival Tickets (IOI20_tickets) C++14
100 / 100
 1144 ms 89824 KB 
#include <bits/stdc++.h>
#include "tickets.h"
#define ll long long
using namespace std;
const int N = 2e3 + 10;
ll find_maximum(int k, vector < vector < int > > x) {
    priority_queue < pair < int, int > > pq;
    vector < pair < int, int >  > p(N);
    stack < int > st[N];
    stack < int > a[N];
    int n = x.size();
    int m = x[0].size();
    ll res = 0;
    for(int i = 0; i < n; i++) {
        p[i].second = i;
        for(int j = m - 1; j >= m - k; j--) {
            st[i].push(x[i][j]);
            res += st[i].top();
        }
        for(int j = m - 1; j >= 0; j--) a[i].push(x[i][j]);
        if(st[i].size() && a[i].size()) pq.push({- a[i].top() - st[i].top(), i});
    }
    vector < vector < int > > l(n, vector < int >());
    vector < vector < int > > r(n, vector < int >());
    for(int i = 0; i < n * k / 2; i++) {
        int f = pq.top().first;
        int s = pq.top().second;
        pq.pop();
        res += f;
        p[s].first++;
        st[s].pop();
        a[s].pop();
        if(st[s].size() && a[s].size()) pq.push({- a[s].top() - st[s].top(), s});
    }
    vector < vector < int > > vr(n, vector < int > (m, -1));
    for(int i = 0; i < n; i++) {
        for(int j = 0; j < p[i].first; j++) l[i].push_back(j);
        for(int j = m - (k - p[i].first); j < m; j++) r[i].push_back(j);
    }
    for(int i = 0; i < k; i++) {
        sort(p.rbegin(), p.rend());
        for(int j = 0; j < n / 2; j++) {
            vr[p[j].second][l[p[j].second].back()] = i;
            p[j].first--;
            l[p[j].second].pop_back();
        }
        for(int j = n / 2; j < n; j++) {
            vr[p[j].second][r[p[j].second].back()] = i;
            r[p[j].second].pop_back();
        }
    }
    allocate_tickets(vr);
    return res;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 3052 KB Output is correct
2 Correct 2 ms 3052 KB Output is correct
3 Correct 3 ms 3180 KB Output is correct
4 Correct 3 ms 3052 KB Output is correct
5 Correct 3 ms 3180 KB Output is correct
6 Correct 4 ms 3564 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 3180 KB Output is correct
2 Correct 2 ms 3052 KB Output is correct
3 Correct 3 ms 3180 KB Output is correct
4 Correct 5 ms 3308 KB Output is correct
5 Correct 32 ms 6508 KB Output is correct
6 Correct 682 ms 64612 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 3052 KB Output is correct
2 Correct 2 ms 3180 KB Output is correct
3 Correct 4 ms 3052 KB Output is correct
4 Correct 6 ms 3308 KB Output is correct
5 Correct 34 ms 6116 KB Output is correct
6 Correct 737 ms 75648 KB Output is correct
7 Correct 801 ms 80612 KB Output is correct
8 Correct 9 ms 3308 KB Output is correct
9 Correct 4 ms 3052 KB Output is correct
10 Correct 3 ms 3052 KB Output is correct
11 Correct 3 ms 3052 KB Output is correct
12 Correct 16 ms 3820 KB Output is correct
13 Correct 31 ms 5356 KB Output is correct
14 Correct 38 ms 5600 KB Output is correct
15 Correct 831 ms 84836 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 3052 KB Output is correct
2 Correct 3 ms 3052 KB Output is correct
3 Correct 3 ms 3052 KB Output is correct
4 Correct 10 ms 3308 KB Output is correct
5 Correct 50 ms 7268 KB Output is correct
6 Correct 50 ms 3680 KB Output is correct
7 Correct 11 ms 3948 KB Output is correct
8 Correct 1142 ms 88292 KB Output is correct
9 Correct 1055 ms 81380 KB Output is correct
10 Correct 1046 ms 80740 KB Output is correct
11 Correct 1141 ms 86116 KB Output is correct

Subtask #5
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 3052 KB Output is correct
2 Correct 5 ms 3312 KB Output is correct
3 Correct 5 ms 3308 KB Output is correct
4 Correct 5 ms 3308 KB Output is correct
5 Correct 6 ms 3308 KB Output is correct
6 Correct 7 ms 3308 KB Output is correct
7 Correct 5 ms 3052 KB Output is correct
8 Correct 3 ms 3052 KB Output is correct
9 Correct 6 ms 3308 KB Output is correct
10 Correct 7 ms 3308 KB Output is correct
11 Correct 7 ms 3308 KB Output is correct
12 Correct 7 ms 3308 KB Output is correct

Subtask #6
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 3052 KB Output is correct
2 Correct 5 ms 3312 KB Output is correct
3 Correct 5 ms 3308 KB Output is correct
4 Correct 5 ms 3308 KB Output is correct
5 Correct 6 ms 3308 KB Output is correct
6 Correct 7 ms 3308 KB Output is correct
7 Correct 5 ms 3052 KB Output is correct
8 Correct 3 ms 3052 KB Output is correct
9 Correct 6 ms 3308 KB Output is correct
10 Correct 7 ms 3308 KB Output is correct
11 Correct 7 ms 3308 KB Output is correct
12 Correct 7 ms 3308 KB Output is correct
13 Correct 30 ms 6372 KB Output is correct
14 Correct 31 ms 6380 KB Output is correct
15 Correct 41 ms 6500 KB Output is correct
16 Correct 49 ms 7268 KB Output is correct
17 Correct 3 ms 3180 KB Output is correct
18 Correct 6 ms 3436 KB Output is correct
19 Correct 5 ms 3180 KB Output is correct
20 Correct 37 ms 5988 KB Output is correct
21 Correct 42 ms 6372 KB Output is correct
22 Correct 46 ms 6372 KB Output is correct
23 Correct 45 ms 6756 KB Output is correct

Subtask #7
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 3052 KB Output is correct
2 Correct 2 ms 3052 KB Output is correct
3 Correct 3 ms 3180 KB Output is correct
4 Correct 3 ms 3052 KB Output is correct
5 Correct 3 ms 3180 KB Output is correct
6 Correct 4 ms 3564 KB Output is correct
7 Correct 4 ms 3180 KB Output is correct
8 Correct 2 ms 3052 KB Output is correct
9 Correct 3 ms 3180 KB Output is correct
10 Correct 5 ms 3308 KB Output is correct
11 Correct 32 ms 6508 KB Output is correct
12 Correct 682 ms 64612 KB Output is correct
13 Correct 3 ms 3052 KB Output is correct
14 Correct 2 ms 3180 KB Output is correct
15 Correct 4 ms 3052 KB Output is correct
16 Correct 6 ms 3308 KB Output is correct
17 Correct 34 ms 6116 KB Output is correct
18 Correct 737 ms 75648 KB Output is correct
19 Correct 801 ms 80612 KB Output is correct
20 Correct 9 ms 3308 KB Output is correct
21 Correct 4 ms 3052 KB Output is correct
22 Correct 3 ms 3052 KB Output is correct
23 Correct 3 ms 3052 KB Output is correct
24 Correct 16 ms 3820 KB Output is correct
25 Correct 31 ms 5356 KB Output is correct
26 Correct 38 ms 5600 KB Output is correct
27 Correct 831 ms 84836 KB Output is correct
28 Correct 3 ms 3052 KB Output is correct
29 Correct 3 ms 3052 KB Output is correct
30 Correct 3 ms 3052 KB Output is correct
31 Correct 10 ms 3308 KB Output is correct
32 Correct 50 ms 7268 KB Output is correct
33 Correct 50 ms 3680 KB Output is correct
34 Correct 11 ms 3948 KB Output is correct
35 Correct 1142 ms 88292 KB Output is correct
36 Correct 1055 ms 81380 KB Output is correct
37 Correct 1046 ms 80740 KB Output is correct
38 Correct 1141 ms 86116 KB Output is correct
39 Correct 2 ms 3052 KB Output is correct
40 Correct 5 ms 3312 KB Output is correct
41 Correct 5 ms 3308 KB Output is correct
42 Correct 5 ms 3308 KB Output is correct
43 Correct 6 ms 3308 KB Output is correct
44 Correct 7 ms 3308 KB Output is correct
45 Correct 5 ms 3052 KB Output is correct
46 Correct 3 ms 3052 KB Output is correct
47 Correct 6 ms 3308 KB Output is correct
48 Correct 7 ms 3308 KB Output is correct
49 Correct 7 ms 3308 KB Output is correct
50 Correct 7 ms 3308 KB Output is correct
51 Correct 30 ms 6372 KB Output is correct
52 Correct 31 ms 6380 KB Output is correct
53 Correct 41 ms 6500 KB Output is correct
54 Correct 49 ms 7268 KB Output is correct
55 Correct 3 ms 3180 KB Output is correct
56 Correct 6 ms 3436 KB Output is correct
57 Correct 5 ms 3180 KB Output is correct
58 Correct 37 ms 5988 KB Output is correct
59 Correct 42 ms 6372 KB Output is correct
60 Correct 46 ms 6372 KB Output is correct
61 Correct 45 ms 6756 KB Output is correct
62 Correct 79 ms 12004 KB Output is correct
63 Correct 79 ms 12004 KB Output is correct
64 Correct 150 ms 13544 KB Output is correct
65 Correct 412 ms 42620 KB Output is correct
66 Correct 498 ms 48868 KB Output is correct
67 Correct 10 ms 3948 KB Output is correct
68 Correct 53 ms 3688 KB Output is correct
69 Correct 693 ms 64488 KB Output is correct
70 Correct 881 ms 75836 KB Output is correct
71 Correct 1144 ms 88172 KB Output is correct
72 Correct 965 ms 89824 KB Output is correct
73 Correct 1066 ms 82788 KB Output is correct
74 Correct 798 ms 80868 KB Output is correct
75 Correct 869 ms 73316 KB Output is correct