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Submission #429064

# Submission time Handle Problem Language Result Execution time Memory
429064 2021-06-15T17:07:43 Z jovan_b Carnival Tickets (IOI20_tickets) C++17
100 / 100
 1199 ms 58192 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 332 KB Output is correct
6 Correct 2 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 204 KB Output is correct
4 Correct 3 ms 460 KB Output is correct
5 Correct 34 ms 2324 KB Output is correct
6 Correct 636 ms 51392 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 460 KB Output is correct
5 Correct 31 ms 2496 KB Output is correct
6 Correct 769 ms 56748 KB Output is correct
7 Correct 849 ms 57160 KB Output is correct
8 Correct 5 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 844 KB Output is correct
13 Correct 29 ms 2176 KB Output is correct
14 Correct 29 ms 2120 KB Output is correct
15 Correct 899 ms 57860 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 300 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 5 ms 460 KB Output is correct
5 Correct 45 ms 3312 KB Output is correct
6 Correct 7 ms 716 KB Output is correct
7 Correct 9 ms 1100 KB Output is correct
8 Correct 1165 ms 57956 KB Output is correct
9 Correct 1110 ms 57544 KB Output is correct
10 Correct 1143 ms 57604 KB Output is correct
11 Correct 1199 ms 58192 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 436 KB Output is correct
4 Correct 3 ms 460 KB Output is correct
5 Correct 3 ms 460 KB Output is correct
6 Correct 3 ms 460 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 304 KB Output is correct
9 Correct 3 ms 460 KB Output is correct
10 Correct 3 ms 460 KB Output is correct
11 Correct 3 ms 468 KB Output is correct
12 Correct 4 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 436 KB Output is correct
4 Correct 3 ms 460 KB Output is correct
5 Correct 3 ms 460 KB Output is correct
6 Correct 3 ms 460 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 304 KB Output is correct
9 Correct 3 ms 460 KB Output is correct
10 Correct 3 ms 460 KB Output is correct
11 Correct 3 ms 468 KB Output is correct
12 Correct 4 ms 460 KB Output is correct
13 Correct 29 ms 3260 KB Output is correct
14 Correct 27 ms 3172 KB Output is correct
15 Correct 35 ms 3268 KB Output is correct
16 Correct 45 ms 3320 KB Output is correct
17 Correct 1 ms 320 KB Output is correct
18 Correct 3 ms 564 KB Output is correct
19 Correct 2 ms 460 KB Output is correct
20 Correct 35 ms 2608 KB Output is correct
21 Correct 39 ms 3196 KB Output is correct
22 Correct 41 ms 2712 KB Output is correct
23 Correct 49 ms 3180 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 332 KB Output is correct
6 Correct 2 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 204 KB Output is correct
10 Correct 3 ms 460 KB Output is correct
11 Correct 34 ms 2324 KB Output is correct
12 Correct 636 ms 51392 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 460 KB Output is correct
17 Correct 31 ms 2496 KB Output is correct
18 Correct 769 ms 56748 KB Output is correct
19 Correct 849 ms 57160 KB Output is correct
20 Correct 5 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 844 KB Output is correct
25 Correct 29 ms 2176 KB Output is correct
26 Correct 29 ms 2120 KB Output is correct
27 Correct 899 ms 57860 KB Output is correct
28 Correct 1 ms 204 KB Output is correct
29 Correct 1 ms 300 KB Output is correct
30 Correct 1 ms 204 KB Output is correct
31 Correct 5 ms 460 KB Output is correct
32 Correct 45 ms 3312 KB Output is correct
33 Correct 7 ms 716 KB Output is correct
34 Correct 9 ms 1100 KB Output is correct
35 Correct 1165 ms 57956 KB Output is correct
36 Correct 1110 ms 57544 KB Output is correct
37 Correct 1143 ms 57604 KB Output is correct
38 Correct 1199 ms 58192 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 436 KB Output is correct
42 Correct 3 ms 460 KB Output is correct
43 Correct 3 ms 460 KB Output is correct
44 Correct 3 ms 460 KB Output is correct
45 Correct 1 ms 332 KB Output is correct
46 Correct 1 ms 304 KB Output is correct
47 Correct 3 ms 460 KB Output is correct
48 Correct 3 ms 460 KB Output is correct
49 Correct 3 ms 468 KB Output is correct
50 Correct 4 ms 460 KB Output is correct
51 Correct 29 ms 3260 KB Output is correct
52 Correct 27 ms 3172 KB Output is correct
53 Correct 35 ms 3268 KB Output is correct
54 Correct 45 ms 3320 KB Output is correct
55 Correct 1 ms 320 KB Output is correct
56 Correct 3 ms 564 KB Output is correct
57 Correct 2 ms 460 KB Output is correct
58 Correct 35 ms 2608 KB Output is correct
59 Correct 39 ms 3196 KB Output is correct
60 Correct 41 ms 2712 KB Output is correct
61 Correct 49 ms 3180 KB Output is correct
62 Correct 71 ms 8388 KB Output is correct
63 Correct 75 ms 8388 KB Output is correct
64 Correct 144 ms 8584 KB Output is correct
65 Correct 379 ms 31308 KB Output is correct
66 Correct 504 ms 31684 KB Output is correct
67 Correct 10 ms 1100 KB Output is correct
68 Correct 9 ms 716 KB Output is correct
69 Correct 636 ms 56224 KB Output is correct
70 Correct 888 ms 52364 KB Output is correct
71 Correct 1148 ms 54332 KB Output is correct
72 Correct 996 ms 52276 KB Output is correct
73 Correct 1129 ms 52244 KB Output is correct
74 Correct 785 ms 50728 KB Output is correct
75 Correct 870 ms 50900 KB Output is correct