oj.uz

Submission #303079

# Submission time Handle Problem Language Result Execution time Memory
303079 2020-09-19T21:07:23 Z tutis Carnival Tickets (IOI20_tickets) C++17
100 / 100
 1156 ms 62500 KB 
#include "tickets.h"
#include <vector>
#include <bits/stdc++.h>
using namespace std;
long long find_maximum(int k, vector<vector<int>> x) {
	int n = x.size();
	int m = x[0].size();
	bool vien = true;
	for (int i = 0; i < n; i++)
		for (int j = 0; j < m; j++)
			if (x[i][j] < 0 || x[i][j] > 1)
				vien = false;
	vector<vector<int>> answer(n, vector<int>(m, -1));
	int mxp = n / 2 * k;
	int P[n];
	vector<pair<int, int>>A;
	for (int i = 0; i < n; i++)
	{
		P[i] = 0;
		for (int j = 0; j < k; j++)
			A.push_back({x[i][k - 1 - j] + x[i][m - 1 - j], i});
	}
	sort(A.begin(), A.end(), greater<pair<int, int>>());
	for (int i = 0; i < (int)A.size() / 2; i++)
		P[A[i].second]++;
	int a[n];
	int b[n];
	for (int i = 0; i < n; i++)
	{
		a[i] = 0;
		b[i] = m - 1;
	}
	long long ret = 0;
	for (int g = 0; g < k; g++)
	{
		pair<int, int>xx[n];
		for (int i = 0; i < n; i++)
			xx[i] = {P[i], i};
		sort(xx, xx + n);
		for (int i = 0; i < n / 2; i++)
		{
			int id = xx[i].second;
			ret -= x[id][a[id]];
			answer[id][a[id]] = g;
			a[id]++;
		}
		for (int i = n / 2; i < n; i++)
		{
			int id = xx[i].second;
			ret += x[id][b[id]];
			answer[id][b[id]] = g;
			b[id]--;
			P[id]--;
		}
	}
	allocate_tickets(answer);
	return ret;
}

Compilation message

tickets.cpp: In function 'long long int find_maximum(int, std::vector<std::vector<int> >)':
tickets.cpp:8:7: warning: variable 'vien' set but not used [-Wunused-but-set-variable]
    8 |  bool vien = true;
      |       ^~~~
tickets.cpp:14:6: warning: unused variable 'mxp' [-Wunused-variable]
   14 |  int mxp = n / 2 * k;
      |      ^~~

Subtask #1
11.0 / 11.0

# 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 1 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 34 ms 2424 KB Output is correct
6 Correct 767 ms 51472 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 1 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 2 ms 512 KB Output is correct
5 Correct 28 ms 2448 KB Output is correct
6 Correct 707 ms 53576 KB Output is correct
7 Correct 738 ms 56528 KB Output is correct
8 Correct 4 ms 640 KB Output is correct
9 Correct 0 ms 256 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 0 ms 256 KB Output is correct
12 Correct 7 ms 904 KB Output is correct
13 Correct 24 ms 2296 KB Output is correct
14 Correct 24 ms 2304 KB Output is correct
15 Correct 764 ms 58824 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 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 3 ms 512 KB Output is correct
5 Correct 42 ms 2796 KB Output is correct
6 Correct 7 ms 768 KB Output is correct
7 Correct 9 ms 1024 KB Output is correct
8 Correct 1102 ms 62372 KB Output is correct
9 Correct 1065 ms 58312 KB Output is correct
10 Correct 1068 ms 58272 KB Output is correct
11 Correct 1156 ms 62500 KB Output is correct

Subtask #5
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 3 ms 512 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 4 ms 512 KB Output is correct
10 Correct 3 ms 512 KB Output is correct
11 Correct 3 ms 512 KB Output is correct
12 Correct 3 ms 512 KB Output is correct

Subtask #6
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 3 ms 512 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 4 ms 512 KB Output is correct
10 Correct 3 ms 512 KB Output is correct
11 Correct 3 ms 512 KB Output is correct
12 Correct 3 ms 512 KB Output is correct
13 Correct 32 ms 2424 KB Output is correct
14 Correct 41 ms 2428 KB Output is correct
15 Correct 37 ms 2552 KB Output is correct
16 Correct 42 ms 2796 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 3 ms 512 KB Output is correct
19 Correct 2 ms 384 KB Output is correct
20 Correct 33 ms 2548 KB Output is correct
21 Correct 39 ms 2544 KB Output is correct
22 Correct 40 ms 2672 KB Output is correct
23 Correct 43 ms 2796 KB Output is correct

Subtask #7
10.0 / 10.0

# 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 1 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 34 ms 2424 KB Output is correct
12 Correct 767 ms 51472 KB Output is correct
13 Correct 0 ms 256 KB Output is correct
14 Correct 1 ms 256 KB Output is correct
15 Correct 0 ms 256 KB Output is correct
16 Correct 2 ms 512 KB Output is correct
17 Correct 28 ms 2448 KB Output is correct
18 Correct 707 ms 53576 KB Output is correct
19 Correct 738 ms 56528 KB Output is correct
20 Correct 4 ms 640 KB Output is correct
21 Correct 0 ms 256 KB Output is correct
22 Correct 0 ms 256 KB Output is correct
23 Correct 0 ms 256 KB Output is correct
24 Correct 7 ms 904 KB Output is correct
25 Correct 24 ms 2296 KB Output is correct
26 Correct 24 ms 2304 KB Output is correct
27 Correct 764 ms 58824 KB Output is correct
28 Correct 0 ms 256 KB Output is correct
29 Correct 0 ms 256 KB Output is correct
30 Correct 1 ms 256 KB Output is correct
31 Correct 3 ms 512 KB Output is correct
32 Correct 42 ms 2796 KB Output is correct
33 Correct 7 ms 768 KB Output is correct
34 Correct 9 ms 1024 KB Output is correct
35 Correct 1102 ms 62372 KB Output is correct
36 Correct 1065 ms 58312 KB Output is correct
37 Correct 1068 ms 58272 KB Output is correct
38 Correct 1156 ms 62500 KB Output is correct
39 Correct 0 ms 256 KB Output is correct
40 Correct 3 ms 512 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 4 ms 512 KB Output is correct
48 Correct 3 ms 512 KB Output is correct
49 Correct 3 ms 512 KB Output is correct
50 Correct 3 ms 512 KB Output is correct
51 Correct 32 ms 2424 KB Output is correct
52 Correct 41 ms 2428 KB Output is correct
53 Correct 37 ms 2552 KB Output is correct
54 Correct 42 ms 2796 KB Output is correct
55 Correct 2 ms 384 KB Output is correct
56 Correct 3 ms 512 KB Output is correct
57 Correct 2 ms 384 KB Output is correct
58 Correct 33 ms 2548 KB Output is correct
59 Correct 39 ms 2544 KB Output is correct
60 Correct 40 ms 2672 KB Output is correct
61 Correct 43 ms 2796 KB Output is correct
62 Correct 86 ms 6008 KB Output is correct
63 Correct 94 ms 6136 KB Output is correct
64 Correct 120 ms 7280 KB Output is correct
65 Correct 408 ms 24036 KB Output is correct
66 Correct 483 ms 27860 KB Output is correct
67 Correct 9 ms 1024 KB Output is correct
68 Correct 7 ms 768 KB Output is correct
69 Correct 768 ms 51804 KB Output is correct
70 Correct 957 ms 53576 KB Output is correct
71 Correct 1115 ms 62420 KB Output is correct
72 Correct 977 ms 59556 KB Output is correct
73 Correct 1099 ms 59108 KB Output is correct
74 Correct 816 ms 52552 KB Output is correct
75 Correct 939 ms 52540 KB Output is correct