Submission #367293

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
367293	2021-02-16T19:25:53 Z	NachoLibre	Carnival Tickets (IOI20_tickets)	C++17	100 / 100	945 ms	71148 KB

tickets

#include <bits/stdc++.h>
using namespace std;
#define sz(a) ((int)(a).size())
typedef vector<int> vint;
typedef vector<vint> vvint;
#ifndef wambule
#include "tickets.h"
#else
void allocate_tickets(vvint a) {
	int n = a.size();
	int m = a.begin()->size();
	for(int i = 0; i < n; ++i) {
		for(int j = 0; j < m; ++j) {
			cout << a[i][j] << " ";
		}
		cout << "\n";
	}
}
#endif

long long find_maximum(int k, vvint x) {
	int n = x.size();
	int m = x.begin()->size();
	vint v(n, 0);
	priority_queue<pair<int, int>> pq;
	long long dr = 0;
	for(int i = 0; i < n; ++i) {
		for(int j = 0; j < k; ++j) {
			dr -= x[i][j];
		}
		pq.push({x[i][k - 1] + x[i][m - 1], i});
	}
	for(int i = 0; i < n * k / 2; ++i) {
		int y = pq.top().second;
		dr += pq.top().first;
		pq.pop();
		++v[y];
		if(v[y] < k) {
			pq.push({x[y][k - 1 - v[y]] + x[y][m - 1 - v[y]], y});
		}
	}
	vector<pair<pair<int, int>, int>> u;
	for(int i = 0; i < n; ++i) {
		u.push_back({{k - 1 - v[i], m - v[i]}, i});
	}
	vvint fp(n, vint(m, -1));
	for(int i = 0; i < k; ++i) {
		sort(u.begin(), u.end());
		for(int j = 0; j < n; ++j) {
			int y = 0;
			if(j < n / 2) {
				y = u[j].first.second++;
			} else {
				y = u[j].first.first--;
			}
			fp[u[j].second][y] = i;
		}
	}
	allocate_tickets(fp);
	return dr;
}

#ifdef wambule
int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout << find_maximum(2, {{0, 2, 5}, {1, 1, 3}}) << endl << endl;
	cout << find_maximum(1, {{5, 9}, {1, 4}, {3, 6}, {2, 7}}) << endl << endl;
	return 0;
}
#endif

Subtask #1

11.0 / 11.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	2 ms	748 KB	Output is correct

Subtask #2

16.0 / 16.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	2 ms	492 KB	Output is correct
5	Correct	26 ms	3328 KB	Output is correct
6	Correct	632 ms	53320 KB	Output is correct

Subtask #3

14.0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	384 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	2 ms	492 KB	Output is correct
5	Correct	26 ms	2668 KB	Output is correct
6	Correct	655 ms	57068 KB	Output is correct
7	Correct	694 ms	57196 KB	Output is correct
8	Correct	4 ms	620 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	7 ms	876 KB	Output is correct
13	Correct	23 ms	2284 KB	Output is correct
14	Correct	23 ms	2284 KB	Output is correct
15	Correct	735 ms	57892 KB	Output is correct

Subtask #4

14.0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	3 ms	492 KB	Output is correct
5	Correct	34 ms	3308 KB	Output is correct
6	Correct	6 ms	876 KB	Output is correct
7	Correct	7 ms	1132 KB	Output is correct
8	Correct	869 ms	59616 KB	Output is correct
9	Correct	871 ms	71148 KB	Output is correct
10	Correct	942 ms	61420 KB	Output is correct
11	Correct	945 ms	59580 KB	Output is correct

Subtask #5

12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	2 ms	492 KB	Output is correct
3	Correct	3 ms	492 KB	Output is correct
4	Correct	3 ms	492 KB	Output is correct
5	Correct	3 ms	492 KB	Output is correct
6	Correct	3 ms	492 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	2 ms	492 KB	Output is correct
10	Correct	3 ms	492 KB	Output is correct
11	Correct	3 ms	492 KB	Output is correct
12	Correct	4 ms	492 KB	Output is correct

Subtask #6

23.0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	2 ms	492 KB	Output is correct
3	Correct	3 ms	492 KB	Output is correct
4	Correct	3 ms	492 KB	Output is correct
5	Correct	3 ms	492 KB	Output is correct
6	Correct	3 ms	492 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	2 ms	492 KB	Output is correct
10	Correct	3 ms	492 KB	Output is correct
11	Correct	3 ms	492 KB	Output is correct
12	Correct	4 ms	492 KB	Output is correct
13	Correct	26 ms	3308 KB	Output is correct
14	Correct	28 ms	3308 KB	Output is correct
15	Correct	30 ms	3308 KB	Output is correct
16	Correct	34 ms	3308 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	3 ms	620 KB	Output is correct
19	Correct	2 ms	492 KB	Output is correct
20	Correct	28 ms	2668 KB	Output is correct
21	Correct	31 ms	3180 KB	Output is correct
22	Correct	33 ms	2796 KB	Output is correct
23	Correct	33 ms	3308 KB	Output is correct

Subtask #7

10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	2 ms	748 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	2 ms	492 KB	Output is correct
11	Correct	26 ms	3328 KB	Output is correct
12	Correct	632 ms	53320 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	384 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	2 ms	492 KB	Output is correct
17	Correct	26 ms	2668 KB	Output is correct
18	Correct	655 ms	57068 KB	Output is correct
19	Correct	694 ms	57196 KB	Output is correct
20	Correct	4 ms	620 KB	Output is correct
21	Correct	1 ms	364 KB	Output is correct
22	Correct	1 ms	364 KB	Output is correct
23	Correct	1 ms	364 KB	Output is correct
24	Correct	7 ms	876 KB	Output is correct
25	Correct	23 ms	2284 KB	Output is correct
26	Correct	23 ms	2284 KB	Output is correct
27	Correct	735 ms	57892 KB	Output is correct
28	Correct	1 ms	364 KB	Output is correct
29	Correct	1 ms	364 KB	Output is correct
30	Correct	1 ms	364 KB	Output is correct
31	Correct	3 ms	492 KB	Output is correct
32	Correct	34 ms	3308 KB	Output is correct
33	Correct	6 ms	876 KB	Output is correct
34	Correct	7 ms	1132 KB	Output is correct
35	Correct	869 ms	59616 KB	Output is correct
36	Correct	871 ms	71148 KB	Output is correct
37	Correct	942 ms	61420 KB	Output is correct
38	Correct	945 ms	59580 KB	Output is correct
39	Correct	1 ms	364 KB	Output is correct
40	Correct	2 ms	492 KB	Output is correct
41	Correct	3 ms	492 KB	Output is correct
42	Correct	3 ms	492 KB	Output is correct
43	Correct	3 ms	492 KB	Output is correct
44	Correct	3 ms	492 KB	Output is correct
45	Correct	1 ms	364 KB	Output is correct
46	Correct	1 ms	364 KB	Output is correct
47	Correct	2 ms	492 KB	Output is correct
48	Correct	3 ms	492 KB	Output is correct
49	Correct	3 ms	492 KB	Output is correct
50	Correct	4 ms	492 KB	Output is correct
51	Correct	26 ms	3308 KB	Output is correct
52	Correct	28 ms	3308 KB	Output is correct
53	Correct	30 ms	3308 KB	Output is correct
54	Correct	34 ms	3308 KB	Output is correct
55	Correct	1 ms	364 KB	Output is correct
56	Correct	3 ms	620 KB	Output is correct
57	Correct	2 ms	492 KB	Output is correct
58	Correct	28 ms	2668 KB	Output is correct
59	Correct	31 ms	3180 KB	Output is correct
60	Correct	33 ms	2796 KB	Output is correct
61	Correct	33 ms	3308 KB	Output is correct
62	Correct	73 ms	8428 KB	Output is correct
63	Correct	75 ms	8568 KB	Output is correct
64	Correct	93 ms	8684 KB	Output is correct
65	Correct	340 ms	33360 KB	Output is correct
66	Correct	395 ms	33732 KB	Output is correct
67	Correct	7 ms	1132 KB	Output is correct
68	Correct	6 ms	876 KB	Output is correct
69	Correct	652 ms	63280 KB	Output is correct
70	Correct	757 ms	57068 KB	Output is correct
71	Correct	880 ms	70900 KB	Output is correct
72	Correct	803 ms	60736 KB	Output is correct
73	Correct	941 ms	59016 KB	Output is correct
74	Correct	690 ms	59372 KB	Output is correct
75	Correct	786 ms	70828 KB	Output is correct