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Submission #302196

# Submission time Handle Problem Language Result Execution time Memory
302196 2020-09-18T14:09:32 Z kriii Carnival Tickets (IOI20_tickets) C++17
100 / 100
 1220 ms 62360 KB 
#include "tickets.h"
#include <algorithm>
#include <vector>
using namespace std;

long long find_maximum(int k, vector<vector<int> > x)
{
	int n = x.size();
	int m = x[0].size();

	long long ans = 0;
	vector<pair<int, int> > sum;
	for (int i = 0; i < n; i++){
		for (int j = 0; j < k; j++){
			ans -= x[i][j];
			sum.push_back({ x[i][j] + x[i][m - k + j], i });
		}
	}

	sort(sum.rbegin(), sum.rend());

	int neg[1500] = { 0, }, pos[1500] = { 0, };
	int pop = n * k / 2;
	for (int i = 0; i < n; i++) neg[i] = k;
	for (int i = 0; i < pop; i++){
		ans += sum[i].first;
		neg[sum[i].second]--;
		pos[sum[i].second]++;
	}

	vector<vector<int> > alloc(n, vector<int>(m, -1));
	int negp[1500] = { 0, }, posp[1500] = { 0, };
	for (int i = 0; i < n; i++) posp[i] = m - 1;
	for (int r = 0; r < k; r++){
		vector<pair<int, int> > use;
		for (int i = 0; i < n; i++) use.push_back({ pos[i] - neg[i], i });
		sort(use.begin(), use.end());
		for (int i = 0; i < n / 2; i++){
			int x = use[i].second;
			alloc[x][negp[x]++] = r;
			neg[x]--;
		}
		for (int i = n / 2; i < n; i++){
			int x = use[i].second;
			alloc[x][posp[x]--] = r;
			pos[x]--;
		}
	}
	allocate_tickets(alloc);

	return ans;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 360 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 2 ms 768 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 3 ms 512 KB Output is correct
5 Correct 30 ms 2424 KB Output is correct
6 Correct 752 ms 51488 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 3 ms 512 KB Output is correct
5 Correct 30 ms 2480 KB Output is correct
6 Correct 736 ms 53508 KB Output is correct
7 Correct 774 ms 56432 KB Output is correct
8 Correct 4 ms 676 KB Output is correct
9 Correct 0 ms 288 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 0 ms 256 KB Output is correct
12 Correct 8 ms 904 KB Output is correct
13 Correct 25 ms 2300 KB Output is correct
14 Correct 25 ms 2300 KB Output is correct
15 Correct 782 ms 58812 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 3 ms 512 KB Output is correct
5 Correct 46 ms 2808 KB Output is correct
6 Correct 7 ms 768 KB Output is correct
7 Correct 9 ms 1024 KB Output is correct
8 Correct 1121 ms 62360 KB Output is correct
9 Correct 1118 ms 58264 KB Output is correct
10 Correct 1089 ms 58124 KB Output is correct
11 Correct 1171 ms 62216 KB Output is correct

Subtask #5
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 3 ms 640 KB Output is correct
3 Correct 3 ms 512 KB Output is correct
4 Correct 3 ms 512 KB Output is correct
5 Correct 3 ms 512 KB Output is correct
6 Correct 3 ms 512 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 3 ms 512 KB Output is correct
10 Correct 4 ms 640 KB Output is correct
11 Correct 3 ms 420 KB Output is correct
12 Correct 9 ms 576 KB Output is correct

Subtask #6
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 3 ms 640 KB Output is correct
3 Correct 3 ms 512 KB Output is correct
4 Correct 3 ms 512 KB Output is correct
5 Correct 3 ms 512 KB Output is correct
6 Correct 3 ms 512 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 3 ms 512 KB Output is correct
10 Correct 4 ms 640 KB Output is correct
11 Correct 3 ms 420 KB Output is correct
12 Correct 9 ms 576 KB Output is correct
13 Correct 35 ms 2364 KB Output is correct
14 Correct 32 ms 2424 KB Output is correct
15 Correct 44 ms 2676 KB Output is correct
16 Correct 43 ms 2808 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 4 ms 512 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 35 ms 2552 KB Output is correct
21 Correct 40 ms 2544 KB Output is correct
22 Correct 42 ms 2676 KB Output is correct
23 Correct 51 ms 2668 KB Output is correct

Subtask #7
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 360 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 2 ms 768 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 0 ms 256 KB Output is correct
10 Correct 3 ms 512 KB Output is correct
11 Correct 30 ms 2424 KB Output is correct
12 Correct 752 ms 51488 KB Output is correct
13 Correct 0 ms 256 KB Output is correct
14 Correct 0 ms 384 KB Output is correct
15 Correct 0 ms 256 KB Output is correct
16 Correct 3 ms 512 KB Output is correct
17 Correct 30 ms 2480 KB Output is correct
18 Correct 736 ms 53508 KB Output is correct
19 Correct 774 ms 56432 KB Output is correct
20 Correct 4 ms 676 KB Output is correct
21 Correct 0 ms 288 KB Output is correct
22 Correct 1 ms 384 KB Output is correct
23 Correct 0 ms 256 KB Output is correct
24 Correct 8 ms 904 KB Output is correct
25 Correct 25 ms 2300 KB Output is correct
26 Correct 25 ms 2300 KB Output is correct
27 Correct 782 ms 58812 KB Output is correct
28 Correct 0 ms 256 KB Output is correct
29 Correct 0 ms 384 KB Output is correct
30 Correct 0 ms 256 KB Output is correct
31 Correct 3 ms 512 KB Output is correct
32 Correct 46 ms 2808 KB Output is correct
33 Correct 7 ms 768 KB Output is correct
34 Correct 9 ms 1024 KB Output is correct
35 Correct 1121 ms 62360 KB Output is correct
36 Correct 1118 ms 58264 KB Output is correct
37 Correct 1089 ms 58124 KB Output is correct
38 Correct 1171 ms 62216 KB Output is correct
39 Correct 1 ms 256 KB Output is correct
40 Correct 3 ms 640 KB Output is correct
41 Correct 3 ms 512 KB Output is correct
42 Correct 3 ms 512 KB Output is correct
43 Correct 3 ms 512 KB Output is correct
44 Correct 3 ms 512 KB Output is correct
45 Correct 1 ms 384 KB Output is correct
46 Correct 1 ms 384 KB Output is correct
47 Correct 3 ms 512 KB Output is correct
48 Correct 4 ms 640 KB Output is correct
49 Correct 3 ms 420 KB Output is correct
50 Correct 9 ms 576 KB Output is correct
51 Correct 35 ms 2364 KB Output is correct
52 Correct 32 ms 2424 KB Output is correct
53 Correct 44 ms 2676 KB Output is correct
54 Correct 43 ms 2808 KB Output is correct
55 Correct 1 ms 384 KB Output is correct
56 Correct 4 ms 512 KB Output is correct
57 Correct 1 ms 384 KB Output is correct
58 Correct 35 ms 2552 KB Output is correct
59 Correct 40 ms 2544 KB Output is correct
60 Correct 42 ms 2676 KB Output is correct
61 Correct 51 ms 2668 KB Output is correct
62 Correct 83 ms 6116 KB Output is correct
63 Correct 85 ms 6136 KB Output is correct
64 Correct 121 ms 7268 KB Output is correct
65 Correct 407 ms 24052 KB Output is correct
66 Correct 495 ms 27868 KB Output is correct
67 Correct 9 ms 1024 KB Output is correct
68 Correct 9 ms 768 KB Output is correct
69 Correct 771 ms 51368 KB Output is correct
70 Correct 975 ms 53468 KB Output is correct
71 Correct 1220 ms 62320 KB Output is correct
72 Correct 1016 ms 59636 KB Output is correct
73 Correct 1113 ms 59048 KB Output is correct
74 Correct 841 ms 52568 KB Output is correct
75 Correct 1033 ms 52208 KB Output is correct