oj.uz

Submission #838744

# Submission time Handle Problem Language Result Execution time Memory
838744 2023-08-27T16:36:17 Z mychecksedad Carnival Tickets (IOI20_tickets) C++17
100 / 100
 1449 ms 95168 KB 
#include<tickets.h>
#include<bits/stdc++.h>
using namespace std;
#define ll long long int
#define mod1 (1000000000+7)
#define mod (998244353)
#define pb push_back
#define all(x) x.begin(), x.end()
#define en cout << '\n'
const int N = 1e6+100, M = 1e5+10, K = 18;


// void allocate_tickets( std::vector<std::vector<int>> _x);
long long find_maximum(int k, vector<vector<int>> d){
	ll ans = 0;
	int n = d.size(), m = d[0].size();
	vector<vector<int>> A(n, vector<int>(m, -1));
	vector<array<ll, 2>> a;
	set<array<int, 4>> big, small;
	vector<int> H(n), L(n), LS(n);

	for(int i = 0; i < n; ++i){
		H[i] = k;
		for(int j = m - k; j < m; ++j){
			ans += d[i][j];
			a.pb({-(d[i][j] + d[i][j - (m - k)]), i});
		}
	}

	sort(all(a), greater<array<ll, 2>>());

	for(int i = 0; i < n*k/2; ++i){
		ans += a[i][0];
		H[a[i][1]]--;
	}	
	for(int i = 0; i < n; ++i) L[i] = k - H[i];
	for(int i = 0; i < n; ++i) LS[i] = 1;
	
	for(int i = 0; i < n; ++i){
		if(H[i] > 0)
			big.insert({-H[i], d[i][m - H[i]], i, m - H[i]});
		if(L[i] > 0)
			small.insert({-L[i], d[i][0], i, 0});
	}


	for(int turn = 0; turn < k; ++turn){
		vector<bool> used(n);
		set<array<int, 4>> bt, st;
		int c = 0;
		for(auto x: big){
			if(used[x[2]] || c == n / 2){
				bt.insert(x);
				continue;
			}
			used[x[2]] = 1;
			A[x[2]][x[3]] = turn;
			H[x[2]]--;
			c++;
			if(H[x[2]] > 0)
				bt.insert({-H[x[2]], d[x[2]][m - H[x[2]]], x[2], m - H[x[2]]});
		}
		c = 0;
		for(auto x: small){
			if(used[x[2]] || c == n / 2){
				st.insert(x);
				continue;
			}
			used[x[2]] = 1;
			A[x[2]][x[3]] = turn;
			L[x[2]]--;
			c++;
			if(L[x[2]] > 0){
				st.insert({-L[x[2]], d[x[2]][LS[x[2]]], x[2], LS[x[2]]});
				LS[x[2]]++;
			}
		}
		
		big.swap(bt);
		small.swap(st);
	}en;

	allocate_tickets(A);
	return ans;
}

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 1 ms 256 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 2 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 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 2 ms 340 KB Output is correct
5 Correct 17 ms 2384 KB Output is correct
6 Correct 405 ms 51396 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 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 24 ms 3012 KB Output is correct
6 Correct 655 ms 65400 KB Output is correct
7 Correct 891 ms 71284 KB Output is correct
8 Correct 4 ms 724 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 300 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 8 ms 1004 KB Output is correct
13 Correct 25 ms 2752 KB Output is correct
14 Correct 26 ms 2856 KB Output is correct
15 Correct 922 ms 75960 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 1 ms 296 KB Output is correct
3 Correct 0 ms 300 KB Output is correct
4 Correct 4 ms 568 KB Output is correct
5 Correct 49 ms 4424 KB Output is correct
6 Correct 6 ms 952 KB Output is correct
7 Correct 9 ms 1344 KB Output is correct
8 Correct 1449 ms 92768 KB Output is correct
9 Correct 1247 ms 90988 KB Output is correct
10 Correct 1231 ms 90992 KB Output is correct
11 Correct 1359 ms 92700 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 516 KB Output is correct
3 Correct 2 ms 468 KB Output is correct
4 Correct 2 ms 468 KB Output is correct
5 Correct 3 ms 492 KB Output is correct
6 Correct 3 ms 620 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 3 ms 468 KB Output is correct
10 Correct 3 ms 468 KB Output is correct
11 Correct 4 ms 596 KB Output is correct
12 Correct 3 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 516 KB Output is correct
3 Correct 2 ms 468 KB Output is correct
4 Correct 2 ms 468 KB Output is correct
5 Correct 3 ms 492 KB Output is correct
6 Correct 3 ms 620 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 3 ms 468 KB Output is correct
10 Correct 3 ms 468 KB Output is correct
11 Correct 4 ms 596 KB Output is correct
12 Correct 3 ms 596 KB Output is correct
13 Correct 17 ms 3256 KB Output is correct
14 Correct 18 ms 3244 KB Output is correct
15 Correct 31 ms 3648 KB Output is correct
16 Correct 47 ms 4368 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 3 ms 468 KB Output is correct
19 Correct 1 ms 468 KB Output is correct
20 Correct 36 ms 3272 KB Output is correct
21 Correct 38 ms 3752 KB Output is correct
22 Correct 46 ms 3792 KB Output is correct
23 Correct 41 ms 4288 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 1 ms 256 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 2 ms 724 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 2 ms 340 KB Output is correct
11 Correct 17 ms 2384 KB Output is correct
12 Correct 405 ms 51396 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 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 24 ms 3012 KB Output is correct
18 Correct 655 ms 65400 KB Output is correct
19 Correct 891 ms 71284 KB Output is correct
20 Correct 4 ms 724 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 300 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 8 ms 1004 KB Output is correct
25 Correct 25 ms 2752 KB Output is correct
26 Correct 26 ms 2856 KB Output is correct
27 Correct 922 ms 75960 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 1 ms 296 KB Output is correct
30 Correct 0 ms 300 KB Output is correct
31 Correct 4 ms 568 KB Output is correct
32 Correct 49 ms 4424 KB Output is correct
33 Correct 6 ms 952 KB Output is correct
34 Correct 9 ms 1344 KB Output is correct
35 Correct 1449 ms 92768 KB Output is correct
36 Correct 1247 ms 90988 KB Output is correct
37 Correct 1231 ms 90992 KB Output is correct
38 Correct 1359 ms 92700 KB Output is correct
39 Correct 0 ms 212 KB Output is correct
40 Correct 2 ms 516 KB Output is correct
41 Correct 2 ms 468 KB Output is correct
42 Correct 2 ms 468 KB Output is correct
43 Correct 3 ms 492 KB Output is correct
44 Correct 3 ms 620 KB Output is correct
45 Correct 1 ms 340 KB Output is correct
46 Correct 1 ms 340 KB Output is correct
47 Correct 3 ms 468 KB Output is correct
48 Correct 3 ms 468 KB Output is correct
49 Correct 4 ms 596 KB Output is correct
50 Correct 3 ms 596 KB Output is correct
51 Correct 17 ms 3256 KB Output is correct
52 Correct 18 ms 3244 KB Output is correct
53 Correct 31 ms 3648 KB Output is correct
54 Correct 47 ms 4368 KB Output is correct
55 Correct 1 ms 340 KB Output is correct
56 Correct 3 ms 468 KB Output is correct
57 Correct 1 ms 468 KB Output is correct
58 Correct 36 ms 3272 KB Output is correct
59 Correct 38 ms 3752 KB Output is correct
60 Correct 46 ms 3792 KB Output is correct
61 Correct 41 ms 4288 KB Output is correct
62 Correct 47 ms 8428 KB Output is correct
63 Correct 47 ms 8524 KB Output is correct
64 Correct 135 ms 11580 KB Output is correct
65 Correct 403 ms 31408 KB Output is correct
66 Correct 576 ms 39256 KB Output is correct
67 Correct 9 ms 1364 KB Output is correct
68 Correct 6 ms 980 KB Output is correct
69 Correct 481 ms 53332 KB Output is correct
70 Correct 894 ms 64044 KB Output is correct
71 Correct 1399 ms 94484 KB Output is correct
72 Correct 1347 ms 95168 KB Output is correct
73 Correct 1233 ms 76700 KB Output is correct
74 Correct 904 ms 65284 KB Output is correct
75 Correct 899 ms 63116 KB Output is correct