oj.uz

Submission #838171

# Submission time Handle Problem Language Result Execution time Memory
838171 2023-08-26T09:52:52 Z caganyanmaz Carnival Tickets (IOI20_tickets) C++17
100 / 100
 790 ms 105552 KB 
#include <bits/stdc++.h>
#define pb push_back
#define mp(x...) array<int, 2>({x})
#define int int64_t
using namespace std;

//#define DEBUGGING
#ifdef DEBUGGING
#include "../debug.h"
#else
#define debug(x...) void(42)
#endif

constexpr static int INF = 1e15;
constexpr static int MXN = 1505;
int prefix[MXN][MXN], suffix[MXN][MXN];
void allocate_tickets(vector<vector<int32_t>> s);

int find_maximum(int32_t _k, vector<vector<int32_t>> x) 
{
	int k = _k;
	int n = x.size();
	int m = x[0].size();
	vector<array<int, 2>> v;
	for (int i = 0; i < n; i++)
		for (int j = 0; j < k; j++)
			v.pb({x[i][j] + x[i][m-k+j], i});
	sort(v.begin(), v.end());

	int current_count = k*n/2;
	vector<vector<int32_t>> s(n, vector<int32_t>(m,-1));
	vector<array<int, 2>> bounds(n, {0, m-1}); // Left right
	vector<array<int, 2>> counts; // Small count, n
	vector<int> tcounts(n, 0);
	for (int i = 0; i < n; i++)
		counts.pb({0, i});
	int total_used = 0;
	for (int i = 0; total_used < n*k/2; i++)
	{
		if (tcounts[v[i][1]] >= k)
			continue;
		total_used++;
		tcounts[v[i][1]]++;
		counts[v[i][1]][0]++;
	}
	sort(counts.begin(), counts.end());
	int sum = 0;
	for (int i = 0; i < k; i++)
	{
		for (int j = n/2; j < n; j++)
		{
			sum -= x[counts[j][1]][bounds[counts[j][1]][0]];
			s[counts[j][1]][bounds[counts[j][1]][0]++] = i;
			counts[j][0]--;
		}
		for (int j = 0; j < n/2; j++)
		{
			sum += x[counts[j][1]][bounds[counts[j][1]][1]];
			s[counts[j][1]][bounds[counts[j][1]][1]--] = i;
		}
		sort(counts.begin(), counts.end());
	}
	debug("b");
	allocate_tickets(s);
	return sum;

}

Compilation message

tickets.cpp: In function 'int64_t find_maximum(int32_t, std::vector<std::vector<int> >)':
tickets.cpp:30:6: warning: unused variable 'current_count' [-Wunused-variable]
   30 |  int current_count = k*n/2;
      |      ^~~~~~~~~~~~~

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 724 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 2 ms 496 KB Output is correct
5 Correct 17 ms 2716 KB Output is correct
6 Correct 422 ms 53216 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 2 ms 468 KB Output is correct
5 Correct 18 ms 3000 KB Output is correct
6 Correct 490 ms 66704 KB Output is correct
7 Correct 555 ms 72568 KB Output is correct
8 Correct 3 ms 724 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 6 ms 960 KB Output is correct
13 Correct 16 ms 2724 KB Output is correct
14 Correct 18 ms 2852 KB Output is correct
15 Correct 569 ms 77228 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 3 ms 776 KB Output is correct
5 Correct 26 ms 3528 KB Output is correct
6 Correct 4 ms 724 KB Output is correct
7 Correct 6 ms 1108 KB Output is correct
8 Correct 774 ms 83788 KB Output is correct
9 Correct 737 ms 82580 KB Output is correct
10 Correct 737 ms 82580 KB Output is correct
11 Correct 790 ms 83868 KB Output is correct

Subtask #5
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 2 ms 468 KB Output is correct
4 Correct 2 ms 468 KB Output is correct
5 Correct 2 ms 468 KB Output is correct
6 Correct 2 ms 596 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 2 ms 468 KB Output is correct
10 Correct 2 ms 596 KB Output is correct
11 Correct 2 ms 596 KB Output is correct
12 Correct 2 ms 596 KB Output is correct

Subtask #6
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 2 ms 468 KB Output is correct
4 Correct 2 ms 468 KB Output is correct
5 Correct 2 ms 468 KB Output is correct
6 Correct 2 ms 596 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 2 ms 468 KB Output is correct
10 Correct 2 ms 596 KB Output is correct
11 Correct 2 ms 596 KB Output is correct
12 Correct 2 ms 596 KB Output is correct
13 Correct 18 ms 2756 KB Output is correct
14 Correct 19 ms 2760 KB Output is correct
15 Correct 22 ms 3636 KB Output is correct
16 Correct 27 ms 4420 KB Output is correct
17 Correct 1 ms 320 KB Output is correct
18 Correct 2 ms 596 KB Output is correct
19 Correct 1 ms 468 KB Output is correct
20 Correct 23 ms 3300 KB Output is correct
21 Correct 23 ms 3752 KB Output is correct
22 Correct 26 ms 3652 KB Output is correct
23 Correct 26 ms 4136 KB Output is correct

Subtask #7
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 724 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 2 ms 496 KB Output is correct
11 Correct 17 ms 2716 KB Output is correct
12 Correct 422 ms 53216 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 2 ms 468 KB Output is correct
17 Correct 18 ms 3000 KB Output is correct
18 Correct 490 ms 66704 KB Output is correct
19 Correct 555 ms 72568 KB Output is correct
20 Correct 3 ms 724 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 6 ms 960 KB Output is correct
25 Correct 16 ms 2724 KB Output is correct
26 Correct 18 ms 2852 KB Output is correct
27 Correct 569 ms 77228 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 3 ms 776 KB Output is correct
32 Correct 26 ms 3528 KB Output is correct
33 Correct 4 ms 724 KB Output is correct
34 Correct 6 ms 1108 KB Output is correct
35 Correct 774 ms 83788 KB Output is correct
36 Correct 737 ms 82580 KB Output is correct
37 Correct 737 ms 82580 KB Output is correct
38 Correct 790 ms 83868 KB Output is correct
39 Correct 0 ms 212 KB Output is correct
40 Correct 2 ms 340 KB Output is correct
41 Correct 2 ms 468 KB Output is correct
42 Correct 2 ms 468 KB Output is correct
43 Correct 2 ms 468 KB Output is correct
44 Correct 2 ms 596 KB Output is correct
45 Correct 1 ms 340 KB Output is correct
46 Correct 1 ms 340 KB Output is correct
47 Correct 2 ms 468 KB Output is correct
48 Correct 2 ms 596 KB Output is correct
49 Correct 2 ms 596 KB Output is correct
50 Correct 2 ms 596 KB Output is correct
51 Correct 18 ms 2756 KB Output is correct
52 Correct 19 ms 2760 KB Output is correct
53 Correct 22 ms 3636 KB Output is correct
54 Correct 27 ms 4420 KB Output is correct
55 Correct 1 ms 320 KB Output is correct
56 Correct 2 ms 596 KB Output is correct
57 Correct 1 ms 468 KB Output is correct
58 Correct 23 ms 3300 KB Output is correct
59 Correct 23 ms 3752 KB Output is correct
60 Correct 26 ms 3652 KB Output is correct
61 Correct 26 ms 4136 KB Output is correct
62 Correct 46 ms 8428 KB Output is correct
63 Correct 46 ms 8360 KB Output is correct
64 Correct 74 ms 11572 KB Output is correct
65 Correct 253 ms 37512 KB Output is correct
66 Correct 336 ms 45320 KB Output is correct
67 Correct 6 ms 1224 KB Output is correct
68 Correct 4 ms 980 KB Output is correct
69 Correct 406 ms 73156 KB Output is correct
70 Correct 582 ms 84004 KB Output is correct
71 Correct 751 ms 105552 KB Output is correct
72 Correct 755 ms 91588 KB Output is correct
73 Correct 738 ms 96020 KB Output is correct
74 Correct 573 ms 70216 KB Output is correct
75 Correct 589 ms 82448 KB Output is correct