oj.uz

Submission #921259

# Submission time Handle Problem Language Result Execution time Memory
921259 2024-02-03T15:44:19 Z ksujay2 Carnival Tickets (IOI20_tickets) C++17
100 / 100
 531 ms 93848 KB 
#include <bits/stdc++.h>
#include "tickets.h"
using namespace std;
using ll = long long;
 
ll find_maximum(int k, vector<vector<int>> x) {
    int n = x.size(), m = x[0].size();
    vector<vector<ll>> delta(n, vector<ll>(k));
    ll sm = 0;
    for(int i = 0; i < n; i++) {
        for(int j = 0; j < k; j++) {
            sm -= x[i][j];
        }
        for(int j = 0; j < k; j++) {
            delta[i][j] = x[i][m - j - 1] + x[i][k - j - 1];
        }
    }
    vector<int> pos(n), neg(n, k);
    priority_queue<pair<ll, int>> pq;
    for(int i = 0; i < n; i++) {
        pq.push({delta[i][pos[i]], i});
    }
    for(int i = 0; i < n / 2 * k; i++) {
        sm += pq.top().first;
        int j = pq.top().second;
        pq.pop();
        pos[j]++;
        neg[j]--;
        if(pos[j] < k) pq.push({delta[j][pos[j]], j});
    }
    vector<vector<int>> s(n, vector<int>(m, -1));
    for(int i = 0; i < k; i++) {
        int negcnt = 0;
        vector<bool> used(n);
        for(int j = 0; j < n; j++) {
            if(pos[j] == 0) {
                used[j] = true;
                neg[j]--;
                s[j][neg[j]] = i;
                negcnt++;
            }
        }
        for(int j = 0; j < n; j++) {
            if(used[j]) continue;
            if(negcnt < n / 2 && neg[j] > 0) {
                neg[j]--;
                s[j][neg[j]] = i;
                negcnt++;
            } else {
                s[j][m - pos[j]] = i;
                pos[j]--;
            }
        }
    }
  	allocate_tickets(s);
    return sm;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 2 ms 860 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 604 KB Output is correct
5 Correct 17 ms 3368 KB Output is correct
6 Correct 409 ms 71044 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 2 ms 604 KB Output is correct
5 Correct 18 ms 3052 KB Output is correct
6 Correct 380 ms 65668 KB Output is correct
7 Correct 397 ms 69092 KB Output is correct
8 Correct 2 ms 604 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 4 ms 1116 KB Output is correct
13 Correct 14 ms 2652 KB Output is correct
14 Correct 14 ms 2652 KB Output is correct
15 Correct 412 ms 71912 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 2 ms 604 KB Output is correct
5 Correct 20 ms 4144 KB Output is correct
6 Correct 3 ms 1056 KB Output is correct
7 Correct 4 ms 1116 KB Output is correct
8 Correct 522 ms 93848 KB Output is correct
9 Correct 482 ms 87636 KB Output is correct
10 Correct 472 ms 87636 KB Output is correct
11 Correct 513 ms 93816 KB Output is correct

Subtask #5
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 2 ms 604 KB Output is correct
3 Correct 2 ms 604 KB Output is correct
4 Correct 2 ms 856 KB Output is correct
5 Correct 2 ms 604 KB Output is correct
6 Correct 2 ms 452 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 2 ms 636 KB Output is correct
10 Correct 2 ms 604 KB Output is correct
11 Correct 2 ms 604 KB Output is correct
12 Correct 2 ms 708 KB Output is correct

Subtask #6
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 2 ms 604 KB Output is correct
3 Correct 2 ms 604 KB Output is correct
4 Correct 2 ms 856 KB Output is correct
5 Correct 2 ms 604 KB Output is correct
6 Correct 2 ms 452 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 2 ms 636 KB Output is correct
10 Correct 2 ms 604 KB Output is correct
11 Correct 2 ms 604 KB Output is correct
12 Correct 2 ms 708 KB Output is correct
13 Correct 17 ms 3164 KB Output is correct
14 Correct 16 ms 3420 KB Output is correct
15 Correct 20 ms 3668 KB Output is correct
16 Correct 20 ms 3928 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 2 ms 604 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 17 ms 3164 KB Output is correct
21 Correct 18 ms 3676 KB Output is correct
22 Correct 18 ms 3420 KB Output is correct
23 Correct 19 ms 3932 KB Output is correct

Subtask #7
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 2 ms 860 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 17 ms 3368 KB Output is correct
12 Correct 409 ms 71044 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 2 ms 604 KB Output is correct
17 Correct 18 ms 3052 KB Output is correct
18 Correct 380 ms 65668 KB Output is correct
19 Correct 397 ms 69092 KB Output is correct
20 Correct 2 ms 604 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 4 ms 1116 KB Output is correct
25 Correct 14 ms 2652 KB Output is correct
26 Correct 14 ms 2652 KB Output is correct
27 Correct 412 ms 71912 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 2 ms 604 KB Output is correct
32 Correct 20 ms 4144 KB Output is correct
33 Correct 3 ms 1056 KB Output is correct
34 Correct 4 ms 1116 KB Output is correct
35 Correct 522 ms 93848 KB Output is correct
36 Correct 482 ms 87636 KB Output is correct
37 Correct 472 ms 87636 KB Output is correct
38 Correct 513 ms 93816 KB Output is correct
39 Correct 0 ms 344 KB Output is correct
40 Correct 2 ms 604 KB Output is correct
41 Correct 2 ms 604 KB Output is correct
42 Correct 2 ms 856 KB Output is correct
43 Correct 2 ms 604 KB Output is correct
44 Correct 2 ms 452 KB Output is correct
45 Correct 1 ms 348 KB Output is correct
46 Correct 1 ms 348 KB Output is correct
47 Correct 2 ms 636 KB Output is correct
48 Correct 2 ms 604 KB Output is correct
49 Correct 2 ms 604 KB Output is correct
50 Correct 2 ms 708 KB Output is correct
51 Correct 17 ms 3164 KB Output is correct
52 Correct 16 ms 3420 KB Output is correct
53 Correct 20 ms 3668 KB Output is correct
54 Correct 20 ms 3928 KB Output is correct
55 Correct 1 ms 348 KB Output is correct
56 Correct 2 ms 604 KB Output is correct
57 Correct 1 ms 348 KB Output is correct
58 Correct 17 ms 3164 KB Output is correct
59 Correct 18 ms 3676 KB Output is correct
60 Correct 18 ms 3420 KB Output is correct
61 Correct 19 ms 3932 KB Output is correct
62 Correct 51 ms 8416 KB Output is correct
63 Correct 44 ms 8532 KB Output is correct
64 Correct 56 ms 10612 KB Output is correct
65 Correct 200 ms 37204 KB Output is correct
66 Correct 230 ms 41672 KB Output is correct
67 Correct 4 ms 1116 KB Output is correct
68 Correct 4 ms 860 KB Output is correct
69 Correct 405 ms 73704 KB Output is correct
70 Correct 480 ms 82984 KB Output is correct
71 Correct 531 ms 93696 KB Output is correct
72 Correct 426 ms 77292 KB Output is correct
73 Correct 486 ms 89308 KB Output is correct
74 Correct 388 ms 68692 KB Output is correct
75 Correct 472 ms 81152 KB Output is correct