oj.uz

Submission #429129

# Submission time Handle Problem Language Result Execution time Memory
429129 2021-06-15T17:41:06 Z ACmachine Carnival Tickets (IOI20_tickets) C++17
100 / 100
 1220 ms 96828 KB 
#include "tickets.h"
#include <bits/stdc++.h>
using namespace std;
#define FOR(i, j, k, l) for(int i = (j); i < (k); i += (l))
#define FORD(i, j, k, l) for(int i = (j); i >= (k); i -= (l))
#define REP(i, n) FOR(i, 0, n, 1)
#define REPD(i, n) FORD(i, n, 0, 1)
typedef long long ll;
#define pb push_back
long long find_maximum(int k, vector<vector<int>> x) {
	int n = x.size();
	int m = x[0].size();
    // think in terms of change;
    vector<array<int, 3>> change;
    ll sum = 0; 
    REP(i, n){
        REP(j, k){
            change.pb({x[i][j] + x[i][m - k + j], i, j});
            sum -= x[i][j];
        }
    }
    sort(change.begin(), change.end(), greater<array<int, 3>>());
    vector<int> upper(n, k);
    vector<vector<array<int, 2>>> rows(n);  
    REP(i, n * k / 2){
        auto v = change[i];
        sum += v[0];
        upper[v[1]] = v[2];
    }
    REP(i, n){
        REP(j, upper[i]){
            rows[i].pb({x[i][j], j});
        }
    }
    REP(i, n){
        REP(j, k - upper[i]){
            rows[i].pb({x[i][m - 1 - j], m - 1 - j}); 
        }
    }
    vector<int> cnts = upper; // cnt smaller available
	vector<vector<int>> answer(n, vector<int>(m, -1));
    vector<int> sorted(n);
    iota(sorted.begin(), sorted.end(), 0);
    auto cmp = [&](int f, int s){
        return cnts[f] > cnts[s];
    };
    REP(i, k){
        sort(sorted.begin(), sorted.end(), cmp);
        REP(j, n / 2){
            cnts[sorted[j]]--;
            int row = sorted[j]; int col = rows[row][cnts[row]][1];
            answer[row][col] = i;
        }
        FOR(j, n / 2, n, 1){
            int row = sorted[j]; 
            int smaller_taken = upper[row] - cnts[row];
            int col = k - 1 - i + smaller_taken;
            col = rows[row][col][1];
            answer[row][col] = i;
        }
    }
	
	allocate_tickets(answer);
	return sum;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 292 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 3 ms 716 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 288 KB Output is correct
4 Correct 2 ms 460 KB Output is correct
5 Correct 26 ms 3244 KB Output is correct
6 Correct 620 ms 53096 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 3 ms 452 KB Output is correct
5 Correct 33 ms 3392 KB Output is correct
6 Correct 865 ms 70712 KB Output is correct
7 Correct 875 ms 75116 KB Output is correct
8 Correct 5 ms 660 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 8 ms 1040 KB Output is correct
13 Correct 33 ms 3004 KB Output is correct
14 Correct 29 ms 3140 KB Output is correct
15 Correct 991 ms 87900 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 292 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 3 ms 556 KB Output is correct
5 Correct 42 ms 5072 KB Output is correct
6 Correct 7 ms 1036 KB Output is correct
7 Correct 8 ms 1392 KB Output is correct
8 Correct 1181 ms 96828 KB Output is correct
9 Correct 1107 ms 92912 KB Output is correct
10 Correct 1052 ms 91920 KB Output is correct
11 Correct 1220 ms 96748 KB Output is correct

Subtask #5
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 2 ms 428 KB Output is correct
3 Correct 3 ms 460 KB Output is correct
4 Correct 3 ms 460 KB Output is correct
5 Correct 3 ms 588 KB Output is correct
6 Correct 3 ms 588 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 3 ms 460 KB Output is correct
10 Correct 3 ms 588 KB Output is correct
11 Correct 4 ms 588 KB Output is correct
12 Correct 3 ms 588 KB Output is correct

Subtask #6
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 2 ms 428 KB Output is correct
3 Correct 3 ms 460 KB Output is correct
4 Correct 3 ms 460 KB Output is correct
5 Correct 3 ms 588 KB Output is correct
6 Correct 3 ms 588 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 3 ms 460 KB Output is correct
10 Correct 3 ms 588 KB Output is correct
11 Correct 4 ms 588 KB Output is correct
12 Correct 3 ms 588 KB Output is correct
13 Correct 28 ms 3148 KB Output is correct
14 Correct 26 ms 3192 KB Output is correct
15 Correct 33 ms 4028 KB Output is correct
16 Correct 53 ms 5148 KB Output is correct
17 Correct 2 ms 332 KB Output is correct
18 Correct 3 ms 588 KB Output is correct
19 Correct 2 ms 460 KB Output is correct
20 Correct 32 ms 3624 KB Output is correct
21 Correct 34 ms 4120 KB Output is correct
22 Correct 37 ms 4492 KB Output is correct
23 Correct 40 ms 4872 KB Output is correct

Subtask #7
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 292 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 3 ms 716 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 288 KB Output is correct
10 Correct 2 ms 460 KB Output is correct
11 Correct 26 ms 3244 KB Output is correct
12 Correct 620 ms 53096 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 3 ms 452 KB Output is correct
17 Correct 33 ms 3392 KB Output is correct
18 Correct 865 ms 70712 KB Output is correct
19 Correct 875 ms 75116 KB Output is correct
20 Correct 5 ms 660 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 1 ms 204 KB Output is correct
24 Correct 8 ms 1040 KB Output is correct
25 Correct 33 ms 3004 KB Output is correct
26 Correct 29 ms 3140 KB Output is correct
27 Correct 991 ms 87900 KB Output is correct
28 Correct 1 ms 292 KB Output is correct
29 Correct 1 ms 204 KB Output is correct
30 Correct 1 ms 204 KB Output is correct
31 Correct 3 ms 556 KB Output is correct
32 Correct 42 ms 5072 KB Output is correct
33 Correct 7 ms 1036 KB Output is correct
34 Correct 8 ms 1392 KB Output is correct
35 Correct 1181 ms 96828 KB Output is correct
36 Correct 1107 ms 92912 KB Output is correct
37 Correct 1052 ms 91920 KB Output is correct
38 Correct 1220 ms 96748 KB Output is correct
39 Correct 1 ms 204 KB Output is correct
40 Correct 2 ms 428 KB Output is correct
41 Correct 3 ms 460 KB Output is correct
42 Correct 3 ms 460 KB Output is correct
43 Correct 3 ms 588 KB Output is correct
44 Correct 3 ms 588 KB Output is correct
45 Correct 1 ms 332 KB Output is correct
46 Correct 1 ms 332 KB Output is correct
47 Correct 3 ms 460 KB Output is correct
48 Correct 3 ms 588 KB Output is correct
49 Correct 4 ms 588 KB Output is correct
50 Correct 3 ms 588 KB Output is correct
51 Correct 28 ms 3148 KB Output is correct
52 Correct 26 ms 3192 KB Output is correct
53 Correct 33 ms 4028 KB Output is correct
54 Correct 53 ms 5148 KB Output is correct
55 Correct 2 ms 332 KB Output is correct
56 Correct 3 ms 588 KB Output is correct
57 Correct 2 ms 460 KB Output is correct
58 Correct 32 ms 3624 KB Output is correct
59 Correct 34 ms 4120 KB Output is correct
60 Correct 37 ms 4492 KB Output is correct
61 Correct 40 ms 4872 KB Output is correct
62 Correct 71 ms 6836 KB Output is correct
63 Correct 75 ms 6876 KB Output is correct
64 Correct 117 ms 10908 KB Output is correct
65 Correct 387 ms 31680 KB Output is correct
66 Correct 511 ms 41384 KB Output is correct
67 Correct 8 ms 1292 KB Output is correct
68 Correct 7 ms 992 KB Output is correct
69 Correct 652 ms 52460 KB Output is correct
70 Correct 889 ms 69864 KB Output is correct
71 Correct 1179 ms 94840 KB Output is correct
72 Correct 1084 ms 91228 KB Output is correct
73 Correct 1087 ms 89472 KB Output is correct
74 Correct 869 ms 69700 KB Output is correct
75 Correct 852 ms 68804 KB Output is correct