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Submission #448258

# Submission time Handle Problem Language Result Execution time Memory
448258 2021-07-29T12:46:33 Z JovanB Carnival Tickets (IOI20_tickets) C++17
100 / 100
 1175 ms 76316 KB 
#include "tickets.h"
#include <bits/stdc++.h>
 
using namespace std;
 
const int MAXN = 1500;
 
using ll = long long;
 
int gde[MAXN+5];
int levo[MAXN+5];
int desno[MAXN+5];
 
long long find_maximum(int k, std::vector<std::vector<int>> x) {
	int n = x.size();
	int m = x[0].size();
	std::vector<std::vector<int>> answer;
	for (int i = 0; i < n; i++) {
		std::vector<int> row(m);
		for (int j = 0; j < m; j++) {
            row[j] = -1;
		}
		answer.push_back(row);
	}
	ll res = 0;
	priority_queue <pair <int, int>> pq;
	for(int i=0; i<n; i++){
        for(int j=0; j<k; j++) res -= x[i][j];
        gde[i] = k-1;
        pq.push({x[i][m-1] + x[i][gde[i]], i});
	}
	int turns = n*k/2;
	while(turns--){
        pair <int, int> pr = pq.top();
        res += pr.first;
        int i = pr.second;
        pq.pop();
        gde[i]--;
        if(gde[i] >= 0) pq.push({x[i][m-1-(k-1-gde[i])] + x[i][gde[i]], i});
	}
	set <pair <int, int>> q;
	for(int i=0; i<n; i++){
        levo[i] = gde[i];
        desno[i] = m-1;
        q.insert({levo[i], i});
	}
	for(int turn=0; turn<k; turn++){
        vector <pair <int, int>> posle;
        int times = n/2;
        while(times--){
            int i = q.begin()->second;
            q.erase(q.begin());
            answer[i][desno[i]] = turn;
            desno[i]--;
            posle.push_back({levo[i], i});
        }
        times = n/2;
        while(times--){
            int i = q.rbegin()->second;
            q.erase(*q.rbegin());
            answer[i][levo[i]] = turn;
            levo[i]--;
            posle.push_back({levo[i], i});
        }
        for(auto c : posle) q.insert(c);
	}
	allocate_tickets(answer);
	return res;
}

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 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 448 KB Output is correct
6 Correct 2 ms 820 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 204 KB Output is correct
4 Correct 2 ms 460 KB Output is correct
5 Correct 30 ms 3164 KB Output is correct
6 Correct 622 ms 51924 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 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 5 ms 460 KB Output is correct
5 Correct 31 ms 2552 KB Output is correct
6 Correct 792 ms 53364 KB Output is correct
7 Correct 847 ms 57224 KB Output is correct
8 Correct 4 ms 460 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 9 ms 880 KB Output is correct
13 Correct 36 ms 2200 KB Output is correct
14 Correct 31 ms 2124 KB Output is correct
15 Correct 917 ms 57828 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 300 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 3 ms 460 KB Output is correct
5 Correct 46 ms 3216 KB Output is correct
6 Correct 6 ms 692 KB Output is correct
7 Correct 9 ms 1100 KB Output is correct
8 Correct 1145 ms 76316 KB Output is correct
9 Correct 1093 ms 71032 KB Output is correct
10 Correct 1067 ms 71100 KB Output is correct
11 Correct 1175 ms 76240 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 460 KB Output is correct
3 Correct 3 ms 460 KB Output is correct
4 Correct 3 ms 496 KB Output is correct
5 Correct 3 ms 460 KB Output is correct
6 Correct 4 ms 440 KB Output is correct
7 Correct 1 ms 204 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 460 KB Output is correct
11 Correct 4 ms 460 KB Output is correct
12 Correct 3 ms 460 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 460 KB Output is correct
3 Correct 3 ms 460 KB Output is correct
4 Correct 3 ms 496 KB Output is correct
5 Correct 3 ms 460 KB Output is correct
6 Correct 4 ms 440 KB Output is correct
7 Correct 1 ms 204 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 460 KB Output is correct
11 Correct 4 ms 460 KB Output is correct
12 Correct 3 ms 460 KB Output is correct
13 Correct 26 ms 3212 KB Output is correct
14 Correct 26 ms 3276 KB Output is correct
15 Correct 35 ms 3248 KB Output is correct
16 Correct 44 ms 3420 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 3 ms 460 KB Output is correct
19 Correct 2 ms 440 KB Output is correct
20 Correct 35 ms 2608 KB Output is correct
21 Correct 39 ms 3132 KB Output is correct
22 Correct 40 ms 2612 KB Output is correct
23 Correct 42 ms 3140 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 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 448 KB Output is correct
6 Correct 2 ms 820 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 204 KB Output is correct
10 Correct 2 ms 460 KB Output is correct
11 Correct 30 ms 3164 KB Output is correct
12 Correct 622 ms 51924 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 5 ms 460 KB Output is correct
17 Correct 31 ms 2552 KB Output is correct
18 Correct 792 ms 53364 KB Output is correct
19 Correct 847 ms 57224 KB Output is correct
20 Correct 4 ms 460 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 9 ms 880 KB Output is correct
25 Correct 36 ms 2200 KB Output is correct
26 Correct 31 ms 2124 KB Output is correct
27 Correct 917 ms 57828 KB Output is correct
28 Correct 1 ms 300 KB Output is correct
29 Correct 0 ms 204 KB Output is correct
30 Correct 1 ms 204 KB Output is correct
31 Correct 3 ms 460 KB Output is correct
32 Correct 46 ms 3216 KB Output is correct
33 Correct 6 ms 692 KB Output is correct
34 Correct 9 ms 1100 KB Output is correct
35 Correct 1145 ms 76316 KB Output is correct
36 Correct 1093 ms 71032 KB Output is correct
37 Correct 1067 ms 71100 KB Output is correct
38 Correct 1175 ms 76240 KB Output is correct
39 Correct 1 ms 204 KB Output is correct
40 Correct 2 ms 460 KB Output is correct
41 Correct 3 ms 460 KB Output is correct
42 Correct 3 ms 496 KB Output is correct
43 Correct 3 ms 460 KB Output is correct
44 Correct 4 ms 440 KB Output is correct
45 Correct 1 ms 204 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 460 KB Output is correct
49 Correct 4 ms 460 KB Output is correct
50 Correct 3 ms 460 KB Output is correct
51 Correct 26 ms 3212 KB Output is correct
52 Correct 26 ms 3276 KB Output is correct
53 Correct 35 ms 3248 KB Output is correct
54 Correct 44 ms 3420 KB Output is correct
55 Correct 1 ms 332 KB Output is correct
56 Correct 3 ms 460 KB Output is correct
57 Correct 2 ms 440 KB Output is correct
58 Correct 35 ms 2608 KB Output is correct
59 Correct 39 ms 3132 KB Output is correct
60 Correct 40 ms 2612 KB Output is correct
61 Correct 42 ms 3140 KB Output is correct
62 Correct 69 ms 8388 KB Output is correct
63 Correct 70 ms 8480 KB Output is correct
64 Correct 123 ms 8628 KB Output is correct
65 Correct 422 ms 33168 KB Output is correct
66 Correct 499 ms 33672 KB Output is correct
67 Correct 14 ms 1100 KB Output is correct
68 Correct 6 ms 700 KB Output is correct
69 Correct 622 ms 73180 KB Output is correct
70 Correct 913 ms 74200 KB Output is correct
71 Correct 1146 ms 76100 KB Output is correct
72 Correct 1004 ms 60760 KB Output is correct
73 Correct 1079 ms 73464 KB Output is correct
74 Correct 788 ms 59236 KB Output is correct
75 Correct 878 ms 72136 KB Output is correct