oj.uz

Submission #609629

# Submission time Handle Problem Language Result Execution time Memory
609629 2022-07-27T18:32:47 Z Jarif_Rahman Carnival Tickets (IOI20_tickets) C++17
100 / 100
 688 ms 56576 KB 
#include "tickets.h"
#include <bits/stdc++.h>
#define pb push_back
#define f first
#define sc second
using namespace std;
typedef long long int ll;
typedef string str;

ll find_maximum(int K, vector<vector<int>> v){
    int n = v.size(), m = v[0].size();
    vector<vector<int>> pos(n, vector<int>(m, -1));

    ll ans = 0;
    vector<vector<bool>> plus(n, vector<bool>(m, 0));

    for(int i = 0; i < n; i++) for(int j = m-1; j >= m-K; j--) ans+=v[i][j], plus[i][j] = 1;

    priority_queue<pair<ll, pair<int, int>>> pq;

    for(int i = 0; i < n; i++) pq.push({-v[i][0]-v[i][m-K], {i, 0}});

    for(int I = 0; I < (n*K)/2; I++){
        auto [x, ij] = pq.top(); pq.pop();
        auto [i, j] = ij;
        plus[i][m-K+j] = 0;
        ans+=x;
        if(j != K-1) pq.push({-v[i][j+1]-v[i][m-K+j+1], {i, j+1}});
    }

    vector<int> cnt(n), o(n);
    for(int i = 0; i < n; i++) cnt[i] = count(plus[i].begin(), plus[i].end(), 1);
    for(int i = 0; i < n; i++) o[i] = i;

    vector<int> L(n, 0), R(n, m-1);

    for(int k = 0; k < K; k++){
        sort(o.begin(), o.end(), [&cnt](int a, int b){
            return cnt[a] < cnt[b];
        });

        for(int j = 0, i = o[0]; j < n/2; j++, i = o[j]){
            pos[i][L[i]] = k;
            if(plus[i][L[i]]) cnt[i]--;
            L[i]++;
        }
        for(int j = n/2, i = o[n/2]; j < n; j++, i = o[j]){
            pos[i][R[i]] = k;
            if(plus[i][R[i]]) cnt[i]--;
            R[i]--;
        }
    }

    allocate_tickets(pos);

    return ans;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 2 ms 852 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 2 ms 436 KB Output is correct
5 Correct 22 ms 3272 KB Output is correct
6 Correct 472 ms 53572 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 296 KB Output is correct
3 Correct 1 ms 304 KB Output is correct
4 Correct 2 ms 440 KB Output is correct
5 Correct 18 ms 2516 KB Output is correct
6 Correct 477 ms 55260 KB Output is correct
7 Correct 543 ms 55644 KB Output is correct
8 Correct 3 ms 468 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 8 ms 852 KB Output is correct
13 Correct 16 ms 2236 KB Output is correct
14 Correct 16 ms 2132 KB Output is correct
15 Correct 531 ms 56336 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 300 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 3 ms 492 KB Output is correct
5 Correct 26 ms 2972 KB Output is correct
6 Correct 4 ms 792 KB Output is correct
7 Correct 5 ms 1140 KB Output is correct
8 Correct 676 ms 55144 KB Output is correct
9 Correct 602 ms 51432 KB Output is correct
10 Correct 634 ms 51588 KB Output is correct
11 Correct 657 ms 55112 KB Output is correct

Subtask #5
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 2 ms 468 KB Output is correct
3 Correct 2 ms 468 KB Output is correct
4 Correct 2 ms 468 KB Output is correct
5 Correct 2 ms 468 KB Output is correct
6 Correct 2 ms 440 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 2 ms 468 KB Output is correct
10 Correct 2 ms 468 KB Output is correct
11 Correct 2 ms 468 KB Output is correct
12 Correct 4 ms 468 KB Output is correct

Subtask #6
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 2 ms 468 KB Output is correct
3 Correct 2 ms 468 KB Output is correct
4 Correct 2 ms 468 KB Output is correct
5 Correct 2 ms 468 KB Output is correct
6 Correct 2 ms 440 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 2 ms 468 KB Output is correct
10 Correct 2 ms 468 KB Output is correct
11 Correct 2 ms 468 KB Output is correct
12 Correct 4 ms 468 KB Output is correct
13 Correct 27 ms 3232 KB Output is correct
14 Correct 21 ms 3228 KB Output is correct
15 Correct 24 ms 3264 KB Output is correct
16 Correct 27 ms 3284 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 2 ms 468 KB Output is correct
19 Correct 1 ms 440 KB Output is correct
20 Correct 21 ms 2608 KB Output is correct
21 Correct 24 ms 3148 KB Output is correct
22 Correct 23 ms 2696 KB Output is correct
23 Correct 25 ms 3132 KB Output is correct

Subtask #7
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 2 ms 852 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 2 ms 436 KB Output is correct
11 Correct 22 ms 3272 KB Output is correct
12 Correct 472 ms 53572 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 296 KB Output is correct
15 Correct 1 ms 304 KB Output is correct
16 Correct 2 ms 440 KB Output is correct
17 Correct 18 ms 2516 KB Output is correct
18 Correct 477 ms 55260 KB Output is correct
19 Correct 543 ms 55644 KB Output is correct
20 Correct 3 ms 468 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 8 ms 852 KB Output is correct
25 Correct 16 ms 2236 KB Output is correct
26 Correct 16 ms 2132 KB Output is correct
27 Correct 531 ms 56336 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 300 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 3 ms 492 KB Output is correct
32 Correct 26 ms 2972 KB Output is correct
33 Correct 4 ms 792 KB Output is correct
34 Correct 5 ms 1140 KB Output is correct
35 Correct 676 ms 55144 KB Output is correct
36 Correct 602 ms 51432 KB Output is correct
37 Correct 634 ms 51588 KB Output is correct
38 Correct 657 ms 55112 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 2 ms 468 KB Output is correct
41 Correct 2 ms 468 KB Output is correct
42 Correct 2 ms 468 KB Output is correct
43 Correct 2 ms 468 KB Output is correct
44 Correct 2 ms 440 KB Output is correct
45 Correct 1 ms 212 KB Output is correct
46 Correct 1 ms 340 KB Output is correct
47 Correct 2 ms 468 KB Output is correct
48 Correct 2 ms 468 KB Output is correct
49 Correct 2 ms 468 KB Output is correct
50 Correct 4 ms 468 KB Output is correct
51 Correct 27 ms 3232 KB Output is correct
52 Correct 21 ms 3228 KB Output is correct
53 Correct 24 ms 3264 KB Output is correct
54 Correct 27 ms 3284 KB Output is correct
55 Correct 1 ms 340 KB Output is correct
56 Correct 2 ms 468 KB Output is correct
57 Correct 1 ms 440 KB Output is correct
58 Correct 21 ms 2608 KB Output is correct
59 Correct 24 ms 3148 KB Output is correct
60 Correct 23 ms 2696 KB Output is correct
61 Correct 25 ms 3132 KB Output is correct
62 Correct 55 ms 8472 KB Output is correct
63 Correct 58 ms 8432 KB Output is correct
64 Correct 71 ms 8624 KB Output is correct
65 Correct 256 ms 26416 KB Output is correct
66 Correct 289 ms 27000 KB Output is correct
67 Correct 5 ms 1108 KB Output is correct
68 Correct 5 ms 724 KB Output is correct
69 Correct 484 ms 53616 KB Output is correct
70 Correct 574 ms 54636 KB Output is correct
71 Correct 688 ms 56576 KB Output is correct
72 Correct 561 ms 55396 KB Output is correct
73 Correct 634 ms 54432 KB Output is correct
74 Correct 499 ms 53736 KB Output is correct
75 Correct 574 ms 53024 KB Output is correct