oj.uz

Submission #830244

# Submission time Handle Problem Language Result Execution time Memory
830244 2023-08-19T00:40:42 Z pavement Carnival Tickets (IOI20_tickets) C++17
100 / 100
 753 ms 88184 KB 
#include "tickets.h"
#include <bits/stdc++.h>
using namespace std;

#define pb push_back
#define eb emplace_back

using ll = long long;
using ii = pair<int, int>;
using iii = tuple<int, int, int>;

ll find_maximum(int k, vector<vector<int> > x) {
	int n = x.size(), m = x[0].size();
	ll ret = 0;
	vector<int> num_sub(n, 0);
	vector<vector<int> > out(n, vector<int>(m, -1)), add(n), sub(n);
	priority_queue<iii> pq;
	for (int i = 0; i < n; i++) {
		pq.emplace(-x[i][m - k] - x[i][0], i, 0);
	}
	for (int j = 0; j < n * k / 2; j++) {
		auto [_, i, sft] = pq.top();
		pq.pop();
		num_sub[i]++;
		if (sft + 1 < k) {
			pq.emplace(-x[i][m - k + sft + 1] - x[i][sft + 1], i, sft + 1);
		}
	}
	for (int i = 0; i < n; i++) {
		vector<ii> cur;
		for (int j = 0; j < m; j++) {
			cur.eb(x[i][j], j);
		}
		sort(cur.begin(), cur.end());
		for (int j = 0; j < num_sub[i]; j++) {
			sub[i].pb(cur[j].second);
		}
		for (int j = m - (k - num_sub[i]); j < m; j++) {
			add[i].pb(cur[j].second);
		}
	}
	for (int i = 0; i < k; i++) {
		vector<int> ord;
		for (int j = 0; j < n; j++) {
			ord.pb(j);
		}
		sort(ord.begin(), ord.end(), [&](const auto &lhs, const auto &rhs) {
			return sub[lhs].size() < sub[rhs].size();
		});
		vector<int> cur;
		for (int j = 0; j < n / 2; j++) {
			cur.pb(x[ord[j]][add[ord[j]].back()]);
			out[ord[j]][add[ord[j]].back()] = i;
			add[ord[j]].pop_back();
		}
		for (int j = n / 2; j < n; j++) {
			cur.pb(x[ord[j]][sub[ord[j]].back()]);
			out[ord[j]][sub[ord[j]].back()] = i;
			sub[ord[j]].pop_back();
		}
		sort(cur.begin(), cur.end());
		for (auto j : cur) {
			ret += llabs(j - cur[cur.size() / 2]);
		}
	}
	allocate_tickets(out);
	return ret;
}

Subtask #1
11.0 / 11.0

# 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 1 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 852 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 0 ms 296 KB Output is correct
4 Correct 2 ms 468 KB Output is correct
5 Correct 21 ms 2508 KB Output is correct
6 Correct 431 ms 51640 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 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 2 ms 468 KB Output is correct
5 Correct 19 ms 2900 KB Output is correct
6 Correct 500 ms 62860 KB Output is correct
7 Correct 539 ms 66216 KB Output is correct
8 Correct 3 ms 596 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 5 ms 980 KB Output is correct
13 Correct 17 ms 2480 KB Output is correct
14 Correct 20 ms 2556 KB Output is correct
15 Correct 548 ms 67928 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 2 ms 432 KB Output is correct
5 Correct 26 ms 2988 KB Output is correct
6 Correct 4 ms 724 KB Output is correct
7 Correct 6 ms 980 KB Output is correct
8 Correct 727 ms 66332 KB Output is correct
9 Correct 711 ms 62764 KB Output is correct
10 Correct 703 ms 61900 KB Output is correct
11 Correct 743 ms 66396 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 444 KB Output is correct
6 Correct 2 ms 468 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 3 ms 468 KB Output is correct
10 Correct 2 ms 468 KB Output is correct
11 Correct 2 ms 468 KB Output is correct
12 Correct 2 ms 468 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 444 KB Output is correct
6 Correct 2 ms 468 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 3 ms 468 KB Output is correct
10 Correct 2 ms 468 KB Output is correct
11 Correct 2 ms 468 KB Output is correct
12 Correct 2 ms 468 KB Output is correct
13 Correct 18 ms 3156 KB Output is correct
14 Correct 18 ms 3256 KB Output is correct
15 Correct 24 ms 3488 KB Output is correct
16 Correct 26 ms 3924 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 2 ms 468 KB Output is correct
19 Correct 1 ms 440 KB Output is correct
20 Correct 22 ms 2992 KB Output is correct
21 Correct 23 ms 3484 KB Output is correct
22 Correct 24 ms 3112 KB Output is correct
23 Correct 25 ms 3620 KB Output is correct

Subtask #7
10.0 / 10.0

# 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 1 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 852 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 296 KB Output is correct
10 Correct 2 ms 468 KB Output is correct
11 Correct 21 ms 2508 KB Output is correct
12 Correct 431 ms 51640 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 2 ms 468 KB Output is correct
17 Correct 19 ms 2900 KB Output is correct
18 Correct 500 ms 62860 KB Output is correct
19 Correct 539 ms 66216 KB Output is correct
20 Correct 3 ms 596 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 5 ms 980 KB Output is correct
25 Correct 17 ms 2480 KB Output is correct
26 Correct 20 ms 2556 KB Output is correct
27 Correct 548 ms 67928 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 2 ms 432 KB Output is correct
32 Correct 26 ms 2988 KB Output is correct
33 Correct 4 ms 724 KB Output is correct
34 Correct 6 ms 980 KB Output is correct
35 Correct 727 ms 66332 KB Output is correct
36 Correct 711 ms 62764 KB Output is correct
37 Correct 703 ms 61900 KB Output is correct
38 Correct 743 ms 66396 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 444 KB Output is correct
44 Correct 2 ms 468 KB Output is correct
45 Correct 1 ms 212 KB Output is correct
46 Correct 1 ms 340 KB Output is correct
47 Correct 3 ms 468 KB Output is correct
48 Correct 2 ms 468 KB Output is correct
49 Correct 2 ms 468 KB Output is correct
50 Correct 2 ms 468 KB Output is correct
51 Correct 18 ms 3156 KB Output is correct
52 Correct 18 ms 3256 KB Output is correct
53 Correct 24 ms 3488 KB Output is correct
54 Correct 26 ms 3924 KB Output is correct
55 Correct 1 ms 340 KB Output is correct
56 Correct 2 ms 468 KB Output is correct
57 Correct 1 ms 440 KB Output is correct
58 Correct 22 ms 2992 KB Output is correct
59 Correct 23 ms 3484 KB Output is correct
60 Correct 24 ms 3112 KB Output is correct
61 Correct 25 ms 3620 KB Output is correct
62 Correct 48 ms 8396 KB Output is correct
63 Correct 50 ms 8444 KB Output is correct
64 Correct 72 ms 10040 KB Output is correct
65 Correct 242 ms 35652 KB Output is correct
66 Correct 301 ms 38732 KB Output is correct
67 Correct 6 ms 1204 KB Output is correct
68 Correct 4 ms 852 KB Output is correct
69 Correct 440 ms 73428 KB Output is correct
70 Correct 583 ms 80380 KB Output is correct
71 Correct 737 ms 88184 KB Output is correct
72 Correct 655 ms 72732 KB Output is correct
73 Correct 753 ms 85040 KB Output is correct
74 Correct 553 ms 65292 KB Output is correct
75 Correct 580 ms 77896 KB Output is correct