oj.uz

Submission #774057

# Submission time Handle Problem Language Result Execution time Memory
774057 2023-07-05T11:35:30 Z kingfran1907 Carnival Tickets (IOI20_tickets) C++14
100 / 100
 731 ms 94044 KB 
#include "tickets.h"
#include <bits/stdc++.h>

using namespace std;
typedef long long llint;
const int maxn = 1510;

int n, m, k;
llint pref[maxn][maxn];
int t[maxn];
int ptrl[maxn], ptrr[maxn];
bool bio[maxn];
int lef[maxn];

llint f(int x, int t) {
	return pref[x][m] - pref[x][m - t] - pref[x][k - t];
}

llint cal(int x, int t) {
	if (t == 0) return (1LL << 60);
	return f(x, t) - f(x, t - 1);
}

long long find_maximum(int K, std::vector<std::vector<int>> x) {
	n = x.size();
	m = x[0].size();
	k = K;
	
	vector< vector<int> > ans(n, vector<int>(m, -1));
	for (int i = 0; i < n; i++) 
		for (int j = 0; j < m; j++)
			pref[i][j + 1] = pref[i][j] + x[i][j];
	
	set< pair<llint, int> > s;
	for (int i = 0; i < n; i++) {
		t[i] = k;
		s.insert({cal(i, k), i});
	}
	for (int abc = 0; abc < k * n / 2; abc++) {
		auto iter = s.begin();
		int ind = iter->second;
		s.erase(iter);
		
		t[ind]--;
		s.insert({cal(ind, t[ind]), ind});
	}
	//for (int i = 0; i < n; i++) printf("%d ", t[i]);
	//printf("\n");
	
	for (int i = 0; i < n; i++) {
		lef[i] = k - t[i];
		ptrr[i] = 0, ptrr[i] = m - 1;
	}
	
	llint sol = 0;	
	int mid = n / 2;
	for (int i = 0; i < k; i++) {
		vector< pair<int, int> > v;
		for (int j = 0; j < n; j++) {
			v.push_back({lef[j], j});
		}
		sort(v.begin(), v.end());
		for (int j = 0; j < n; j++) {
			int tr = v[j].second;
			if (j >= mid) {
				//printf("removing: %d\n", tr);
				lef[tr]--;
				sol -= x[tr][ptrl[tr]];
				ans[tr][ptrl[tr]++] = i;
			} else {
				//printf("adding: %d\n", tr);
				sol += x[tr][ptrr[tr]];
				ans[tr][ptrr[tr]--] = i;
			}
		}
	}
	allocate_tickets(ans);
	return sol;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 304 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 596 KB Output is correct
5 Correct 1 ms 1620 KB Output is correct
6 Correct 6 ms 6868 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 316 KB Output is correct
2 Correct 1 ms 316 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 2 ms 852 KB Output is correct
5 Correct 18 ms 4652 KB Output is correct
6 Correct 402 ms 69188 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 308 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 2 ms 840 KB Output is correct
5 Correct 18 ms 4436 KB Output is correct
6 Correct 488 ms 74520 KB Output is correct
7 Correct 507 ms 74956 KB Output is correct
8 Correct 3 ms 980 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 316 KB Output is correct
11 Correct 1 ms 312 KB Output is correct
12 Correct 5 ms 1620 KB Output is correct
13 Correct 17 ms 4736 KB Output is correct
14 Correct 15 ms 3384 KB Output is correct
15 Correct 563 ms 75520 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 308 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 2 ms 852 KB Output is correct
5 Correct 32 ms 5180 KB Output is correct
6 Correct 4 ms 852 KB Output is correct
7 Correct 9 ms 7252 KB Output is correct
8 Correct 671 ms 93752 KB Output is correct
9 Correct 694 ms 88776 KB Output is correct
10 Correct 639 ms 87656 KB Output is correct
11 Correct 731 ms 94044 KB Output is correct

Subtask #5
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 2 ms 852 KB Output is correct
3 Correct 2 ms 840 KB Output is correct
4 Correct 2 ms 852 KB Output is correct
5 Correct 3 ms 832 KB Output is correct
6 Correct 2 ms 852 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 576 KB Output is correct
9 Correct 2 ms 860 KB Output is correct
10 Correct 2 ms 884 KB Output is correct
11 Correct 2 ms 852 KB Output is correct
12 Correct 2 ms 852 KB Output is correct

Subtask #6
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 2 ms 852 KB Output is correct
3 Correct 2 ms 840 KB Output is correct
4 Correct 2 ms 852 KB Output is correct
5 Correct 3 ms 832 KB Output is correct
6 Correct 2 ms 852 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 576 KB Output is correct
9 Correct 2 ms 860 KB Output is correct
10 Correct 2 ms 884 KB Output is correct
11 Correct 2 ms 852 KB Output is correct
12 Correct 2 ms 852 KB Output is correct
13 Correct 17 ms 5216 KB Output is correct
14 Correct 18 ms 5152 KB Output is correct
15 Correct 24 ms 5176 KB Output is correct
16 Correct 25 ms 5136 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 2 ms 1748 KB Output is correct
19 Correct 2 ms 1604 KB Output is correct
20 Correct 21 ms 4508 KB Output is correct
21 Correct 22 ms 4928 KB Output is correct
22 Correct 25 ms 4512 KB Output is correct
23 Correct 27 ms 5068 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 1 ms 304 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 596 KB Output is correct
5 Correct 1 ms 1620 KB Output is correct
6 Correct 6 ms 6868 KB Output is correct
7 Correct 1 ms 316 KB Output is correct
8 Correct 1 ms 316 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 2 ms 852 KB Output is correct
11 Correct 18 ms 4652 KB Output is correct
12 Correct 402 ms 69188 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 0 ms 308 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 2 ms 840 KB Output is correct
17 Correct 18 ms 4436 KB Output is correct
18 Correct 488 ms 74520 KB Output is correct
19 Correct 507 ms 74956 KB Output is correct
20 Correct 3 ms 980 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 1 ms 316 KB Output is correct
23 Correct 1 ms 312 KB Output is correct
24 Correct 5 ms 1620 KB Output is correct
25 Correct 17 ms 4736 KB Output is correct
26 Correct 15 ms 3384 KB Output is correct
27 Correct 563 ms 75520 KB Output is correct
28 Correct 1 ms 308 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 2 ms 852 KB Output is correct
32 Correct 32 ms 5180 KB Output is correct
33 Correct 4 ms 852 KB Output is correct
34 Correct 9 ms 7252 KB Output is correct
35 Correct 671 ms 93752 KB Output is correct
36 Correct 694 ms 88776 KB Output is correct
37 Correct 639 ms 87656 KB Output is correct
38 Correct 731 ms 94044 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 2 ms 852 KB Output is correct
41 Correct 2 ms 840 KB Output is correct
42 Correct 2 ms 852 KB Output is correct
43 Correct 3 ms 832 KB Output is correct
44 Correct 2 ms 852 KB Output is correct
45 Correct 1 ms 340 KB Output is correct
46 Correct 1 ms 576 KB Output is correct
47 Correct 2 ms 860 KB Output is correct
48 Correct 2 ms 884 KB Output is correct
49 Correct 2 ms 852 KB Output is correct
50 Correct 2 ms 852 KB Output is correct
51 Correct 17 ms 5216 KB Output is correct
52 Correct 18 ms 5152 KB Output is correct
53 Correct 24 ms 5176 KB Output is correct
54 Correct 25 ms 5136 KB Output is correct
55 Correct 1 ms 340 KB Output is correct
56 Correct 2 ms 1748 KB Output is correct
57 Correct 2 ms 1604 KB Output is correct
58 Correct 21 ms 4508 KB Output is correct
59 Correct 22 ms 4928 KB Output is correct
60 Correct 25 ms 4512 KB Output is correct
61 Correct 27 ms 5068 KB Output is correct
62 Correct 48 ms 12356 KB Output is correct
63 Correct 46 ms 12432 KB Output is correct
64 Correct 67 ms 12600 KB Output is correct
65 Correct 236 ms 45004 KB Output is correct
66 Correct 277 ms 45484 KB Output is correct
67 Correct 8 ms 7252 KB Output is correct
68 Correct 4 ms 852 KB Output is correct
69 Correct 399 ms 90924 KB Output is correct
70 Correct 558 ms 91908 KB Output is correct
71 Correct 689 ms 93820 KB Output is correct
72 Correct 559 ms 78412 KB Output is correct
73 Correct 647 ms 90504 KB Output is correct
74 Correct 514 ms 76828 KB Output is correct
75 Correct 573 ms 88984 KB Output is correct