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Submission #300781

# Submission time Handle Problem Language Result Execution time Memory
300781 2020-09-17T13:28:16 Z BaraaArmoush Carnival Tickets (IOI20_tickets) C++14
100 / 100
 1379 ms 54392 KB 
#include <bits/stdc++.h>
#include "tickets.h"

using namespace std;

typedef long long ll;
typedef pair <int,int> pii;

ll find_maximum(int k, vector <vector <int>> a)
{
    int n = a.size();
    int m = a[0].size();

    vector <int> PrefixTaken(n, k);
    vector <int> SuffixTaken(n, 0);

    ll Ans = 0;
    for(int i = 0; i < n; i++)
        for(int j = 0; j < k; j++)
            Ans -= a[i][j];

    priority_queue <pair <int,pii>> q;
    for(int i = 0; i < n; i++)
        q.emplace(a[i][m - 1] + a[i][k - 1], pii(i, m - 1));

    for(int repeat = 0; repeat < k * n / 2; repeat++)
    {
        pair <int,pii> p = q.top();
        q.pop();

        int x = p.first;
        int i = p.second.first;
        int j = p.second.second;
        int r = m - j + 1;

        PrefixTaken[i]--;
        SuffixTaken[i]++;

        Ans += x;

        if(k - r >= 0)
            q.emplace(a[i][m - r] + a[i][k - r], pii(i, j - 1));
    }

    vector <vector <int>> s(n, vector <int> (m, -1));

    vector <pii> Sum(k);
    for(int j = 0; j < k; j++)  Sum[j] = pii(0, j);

    for(int i = 0; i < n; i++)
    {
        for(int j = 0; j < PrefixTaken[i]; j++)
        {
            Sum[k - j - 1].first--;
            s[i][j] = Sum[k - j - 1].second;
        }

        for(int j = 0; j < SuffixTaken[i]; j++)
        {
            Sum[j].first++;
            s[i][m - j - 1] = Sum[j].second;
        }

        sort(Sum.begin(), Sum.end());
    }

    for(int j = 0; j < k; j++)
        assert(Sum[j].first == 0);

    return allocate_tickets(s), Ans;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 2 ms 768 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 4 ms 512 KB Output is correct
5 Correct 31 ms 2424 KB Output is correct
6 Correct 759 ms 51468 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 3 ms 512 KB Output is correct
5 Correct 26 ms 2432 KB Output is correct
6 Correct 659 ms 52508 KB Output is correct
7 Correct 751 ms 52856 KB Output is correct
8 Correct 5 ms 512 KB Output is correct
9 Correct 0 ms 256 KB Output is correct
10 Correct 1 ms 256 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 7 ms 896 KB Output is correct
13 Correct 29 ms 2040 KB Output is correct
14 Correct 25 ms 2048 KB Output is correct
15 Correct 701 ms 53496 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 4 ms 512 KB Output is correct
5 Correct 69 ms 2424 KB Output is correct
6 Correct 6 ms 640 KB Output is correct
7 Correct 7 ms 896 KB Output is correct
8 Correct 1044 ms 54360 KB Output is correct
9 Correct 947 ms 50648 KB Output is correct
10 Correct 943 ms 50744 KB Output is correct
11 Correct 1048 ms 54392 KB Output is correct

Subtask #5
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 3 ms 512 KB Output is correct
3 Correct 3 ms 512 KB Output is correct
4 Correct 4 ms 512 KB Output is correct
5 Correct 3 ms 512 KB Output is correct
6 Correct 3 ms 512 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 3 ms 512 KB Output is correct
10 Correct 4 ms 512 KB Output is correct
11 Correct 3 ms 512 KB Output is correct
12 Correct 3 ms 512 KB Output is correct

Subtask #6
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 3 ms 512 KB Output is correct
3 Correct 3 ms 512 KB Output is correct
4 Correct 4 ms 512 KB Output is correct
5 Correct 3 ms 512 KB Output is correct
6 Correct 3 ms 512 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 3 ms 512 KB Output is correct
10 Correct 4 ms 512 KB Output is correct
11 Correct 3 ms 512 KB Output is correct
12 Correct 3 ms 512 KB Output is correct
13 Correct 31 ms 2424 KB Output is correct
14 Correct 31 ms 2424 KB Output is correct
15 Correct 38 ms 2432 KB Output is correct
16 Correct 50 ms 2424 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 4 ms 512 KB Output is correct
19 Correct 2 ms 384 KB Output is correct
20 Correct 41 ms 2296 KB Output is correct
21 Correct 57 ms 2424 KB Output is correct
22 Correct 47 ms 2424 KB Output is correct
23 Correct 53 ms 2552 KB Output is correct

Subtask #7
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 2 ms 768 KB Output is correct
7 Correct 1 ms 256 KB Output is correct
8 Correct 1 ms 256 KB Output is correct
9 Correct 0 ms 256 KB Output is correct
10 Correct 4 ms 512 KB Output is correct
11 Correct 31 ms 2424 KB Output is correct
12 Correct 759 ms 51468 KB Output is correct
13 Correct 1 ms 256 KB Output is correct
14 Correct 0 ms 256 KB Output is correct
15 Correct 0 ms 256 KB Output is correct
16 Correct 3 ms 512 KB Output is correct
17 Correct 26 ms 2432 KB Output is correct
18 Correct 659 ms 52508 KB Output is correct
19 Correct 751 ms 52856 KB Output is correct
20 Correct 5 ms 512 KB Output is correct
21 Correct 0 ms 256 KB Output is correct
22 Correct 1 ms 256 KB Output is correct
23 Correct 1 ms 256 KB Output is correct
24 Correct 7 ms 896 KB Output is correct
25 Correct 29 ms 2040 KB Output is correct
26 Correct 25 ms 2048 KB Output is correct
27 Correct 701 ms 53496 KB Output is correct
28 Correct 0 ms 256 KB Output is correct
29 Correct 1 ms 256 KB Output is correct
30 Correct 1 ms 256 KB Output is correct
31 Correct 4 ms 512 KB Output is correct
32 Correct 69 ms 2424 KB Output is correct
33 Correct 6 ms 640 KB Output is correct
34 Correct 7 ms 896 KB Output is correct
35 Correct 1044 ms 54360 KB Output is correct
36 Correct 947 ms 50648 KB Output is correct
37 Correct 943 ms 50744 KB Output is correct
38 Correct 1048 ms 54392 KB Output is correct
39 Correct 0 ms 256 KB Output is correct
40 Correct 3 ms 512 KB Output is correct
41 Correct 3 ms 512 KB Output is correct
42 Correct 4 ms 512 KB Output is correct
43 Correct 3 ms 512 KB Output is correct
44 Correct 3 ms 512 KB Output is correct
45 Correct 1 ms 384 KB Output is correct
46 Correct 1 ms 384 KB Output is correct
47 Correct 3 ms 512 KB Output is correct
48 Correct 4 ms 512 KB Output is correct
49 Correct 3 ms 512 KB Output is correct
50 Correct 3 ms 512 KB Output is correct
51 Correct 31 ms 2424 KB Output is correct
52 Correct 31 ms 2424 KB Output is correct
53 Correct 38 ms 2432 KB Output is correct
54 Correct 50 ms 2424 KB Output is correct
55 Correct 2 ms 384 KB Output is correct
56 Correct 4 ms 512 KB Output is correct
57 Correct 2 ms 384 KB Output is correct
58 Correct 41 ms 2296 KB Output is correct
59 Correct 57 ms 2424 KB Output is correct
60 Correct 47 ms 2424 KB Output is correct
61 Correct 53 ms 2552 KB Output is correct
62 Correct 96 ms 6008 KB Output is correct
63 Correct 84 ms 6040 KB Output is correct
64 Correct 107 ms 6264 KB Output is correct
65 Correct 392 ms 23572 KB Output is correct
66 Correct 428 ms 24044 KB Output is correct
67 Correct 8 ms 896 KB Output is correct
68 Correct 6 ms 640 KB Output is correct
69 Correct 744 ms 51428 KB Output is correct
70 Correct 911 ms 52396 KB Output is correct
71 Correct 1010 ms 54264 KB Output is correct
72 Correct 980 ms 52288 KB Output is correct
73 Correct 1379 ms 52248 KB Output is correct
74 Correct 729 ms 50744 KB Output is correct
75 Correct 907 ms 50936 KB Output is correct