oj.uz

Submission #300207

# Submission time Handle Problem Language Result Execution time Memory
300207 2020-09-17T01:04:06 Z sjimed Carnival Tickets (IOI20_tickets) C++14
100 / 100
 1216 ms 66424 KB 
#include "tickets.h"
#include<bits/stdc++.h>
using namespace std;

#define fast ios::sync_with_stdio(false); cin.tie(NULL)
#define fi first
#define se second
#define pb push_back
#define eb emplace_back
#define em emplace
#define all(v) (v).begin(), (v).end()
#define pre(a) cout<<fixed; cout.precision(a)
#define mp make_pair

typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
const ll inf = 1e9;
const ll INF = 1e18;

vector<int> l[1510];
vector<int> s[1510];

long long find_maximum(int k, std::vector<std::vector<int>> x) {
	int n = x.size();
	int m = x[0].size();
	std::vector<std::vector<int>> answer;
	for (int i = 0; i < n; i++) {
		std::vector<int> row(m, 0);
		answer.push_back(row);
	}

	ll ret = 0;
	int cnt[1510] = {};
	priority_queue<pii> pq;
	for(int i=0; i<n; i++) {
		for(int j=0; j<k; j++) {
			ret -= x[i][j];
			answer[i][j] = -1;
		}
		cnt[i] = k;
		pq.em(x[i][cnt[i]-1] + x[i][m - 1 - k + cnt[i]] , i);
	}

	int T = n/2 * k;

	while(T--) {
		int i = pq.top().se;
		ret += pq.top().fi;
		
		answer[i][cnt[i]-1]++;
		answer[i][m - 1 - k + cnt[i]]++;
		cnt[i]--;
		pq.pop();

		if(cnt[i]) pq.em(x[i][cnt[i]-1] + x[i][m - 1 - k + cnt[i]], i);
	}

	for(int i=0; i<n; i++) {
		for(int j=0; j<m; j++) {
			if(answer[i][j] == 1) l[i].eb(j);
			else if(answer[i][j] == -1) s[i].eb(j);

			answer[i][j] = -1;
		}
	}

	for(int i=0; i<k; i++) {
		vector<int> t;
		for(int j=0; j<n; j++) t.eb(j);

		sort(all(t), [&] (int a, int b) {
			return l[a].size() < l[b].size();
		});

		for(int j=0; j<n/2; j++) {
			answer[t.back()][l[t.back()].back()] = i;
			l[t.back()].pop_back();
			t.pop_back();
		}

		sort(all(t), [&] (int a, int b) {
			return s[a].size() < s[b].size();
		});

		for(int j=0; j<n/2; j++) {
			answer[t.back()][s[t.back()].back()] = i;
			s[t.back()].pop_back();
			t.pop_back();
		}
	}

	allocate_tickets(answer);
	return ret;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 512 KB Output is correct
6 Correct 2 ms 896 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 3 ms 512 KB Output is correct
5 Correct 44 ms 2424 KB Output is correct
6 Correct 784 ms 51492 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 3 ms 512 KB Output is correct
5 Correct 29 ms 2808 KB Output is correct
6 Correct 828 ms 58628 KB Output is correct
7 Correct 856 ms 61984 KB Output is correct
8 Correct 4 ms 640 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 8 ms 1024 KB Output is correct
13 Correct 32 ms 2436 KB Output is correct
14 Correct 27 ms 2560 KB Output is correct
15 Correct 864 ms 63584 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 4 ms 640 KB Output is correct
5 Correct 42 ms 3192 KB Output is correct
6 Correct 7 ms 768 KB Output is correct
7 Correct 10 ms 1152 KB Output is correct
8 Correct 1202 ms 66396 KB Output is correct
9 Correct 1101 ms 62680 KB Output is correct
10 Correct 1104 ms 62072 KB Output is correct
11 Correct 1162 ms 66424 KB Output is correct

Subtask #5
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 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 640 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 3 ms 512 KB Output is correct
10 Correct 4 ms 616 KB Output is correct
11 Correct 3 ms 512 KB Output is correct
12 Correct 5 ms 512 KB Output is correct

Subtask #6
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 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 640 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 3 ms 512 KB Output is correct
10 Correct 4 ms 616 KB Output is correct
11 Correct 3 ms 512 KB Output is correct
12 Correct 5 ms 512 KB Output is correct
13 Correct 34 ms 2552 KB Output is correct
14 Correct 31 ms 2552 KB Output is correct
15 Correct 52 ms 2808 KB Output is correct
16 Correct 42 ms 3192 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 3 ms 640 KB Output is correct
19 Correct 2 ms 512 KB Output is correct
20 Correct 36 ms 2808 KB Output is correct
21 Correct 37 ms 2680 KB Output is correct
22 Correct 36 ms 2936 KB Output is correct
23 Correct 40 ms 2936 KB Output is correct

Subtask #7
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 512 KB Output is correct
6 Correct 2 ms 896 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 3 ms 512 KB Output is correct
11 Correct 44 ms 2424 KB Output is correct
12 Correct 784 ms 51492 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 0 ms 384 KB Output is correct
16 Correct 3 ms 512 KB Output is correct
17 Correct 29 ms 2808 KB Output is correct
18 Correct 828 ms 58628 KB Output is correct
19 Correct 856 ms 61984 KB Output is correct
20 Correct 4 ms 640 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 1 ms 384 KB Output is correct
23 Correct 1 ms 384 KB Output is correct
24 Correct 8 ms 1024 KB Output is correct
25 Correct 32 ms 2436 KB Output is correct
26 Correct 27 ms 2560 KB Output is correct
27 Correct 864 ms 63584 KB Output is correct
28 Correct 1 ms 384 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 1 ms 384 KB Output is correct
31 Correct 4 ms 640 KB Output is correct
32 Correct 42 ms 3192 KB Output is correct
33 Correct 7 ms 768 KB Output is correct
34 Correct 10 ms 1152 KB Output is correct
35 Correct 1202 ms 66396 KB Output is correct
36 Correct 1101 ms 62680 KB Output is correct
37 Correct 1104 ms 62072 KB Output is correct
38 Correct 1162 ms 66424 KB Output is correct
39 Correct 1 ms 384 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 640 KB Output is correct
45 Correct 1 ms 384 KB Output is correct
46 Correct 1 ms 384 KB Output is correct
47 Correct 3 ms 512 KB Output is correct
48 Correct 4 ms 616 KB Output is correct
49 Correct 3 ms 512 KB Output is correct
50 Correct 5 ms 512 KB Output is correct
51 Correct 34 ms 2552 KB Output is correct
52 Correct 31 ms 2552 KB Output is correct
53 Correct 52 ms 2808 KB Output is correct
54 Correct 42 ms 3192 KB Output is correct
55 Correct 1 ms 384 KB Output is correct
56 Correct 3 ms 640 KB Output is correct
57 Correct 2 ms 512 KB Output is correct
58 Correct 36 ms 2808 KB Output is correct
59 Correct 37 ms 2680 KB Output is correct
60 Correct 36 ms 2936 KB Output is correct
61 Correct 40 ms 2936 KB Output is correct
62 Correct 104 ms 6208 KB Output is correct
63 Correct 90 ms 6136 KB Output is correct
64 Correct 123 ms 7672 KB Output is correct
65 Correct 435 ms 26104 KB Output is correct
66 Correct 605 ms 28948 KB Output is correct
67 Correct 9 ms 1024 KB Output is correct
68 Correct 8 ms 768 KB Output is correct
69 Correct 765 ms 51552 KB Output is correct
70 Correct 1022 ms 58516 KB Output is correct
71 Correct 1216 ms 66424 KB Output is correct
72 Correct 945 ms 64300 KB Output is correct
73 Correct 1140 ms 63936 KB Output is correct
74 Correct 836 ms 57028 KB Output is correct
75 Correct 960 ms 56768 KB Output is correct