Submission #300547

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
300547	2020-09-17T09:12:44 Z	kevlee	Carnival Tickets (IOI20_tickets)	C++17	100 / 100	1555 ms	102392 KB

tickets

#include "tickets.h"
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define mod 1000000007
#define inf 1000000000
#define ll long long
#define fi first
#define se second
#define pii pair<int, int>
#define pll pair<ll, ll>
#define vi vector<int>
#define vl vector<ll>
#define vp vector<pii>
#define SET(a, b) memset(a, b, sizeof(a))
#define all(x) (x).begin(), (x).end()
#define FOR(i, a, b) for (int i = (a); i <= (b); i++)
#define FORD(i, a, b) for (int i = (a); i >= (b); i--)
priority_queue <pair<ll, pii> > pq;
bool used[1505][1505];
int cnt[1505], l[1505], r[1505];
vi v[1505];
pii a[1505];
long long find_maximum(int k, vector<vi> x) {
	int n = x.size();
	int m = x[0].size();
	vector <vi> answer;
  vi row(m, -1);
	FOR(i, 0, n-1) {
		answer.pb(row);
	}
  ll sum = 0;
  FOR(i, 0, n-1) {
    FOR(j, m-k, m-1) {
      sum += x[i][j];
      pq.push({-x[i][j] - x[i][j-m+k], {i, j-m+k}});
    }
  }
  FOR(i, 0, n*k/2 - 1) {
    auto tmp = pq.top();
    pq.pop();
    cnt[tmp.se.fi]++;
    v[tmp.se.fi].pb(tmp.se.se);
    answer[tmp.se.fi][tmp.se.se] = inf;
    sum += tmp.fi;
  }
  FOR(i, 0, n-1) {
    r[i] = k-1;
    FORD(j, m-1, m-k) {
      if (answer[i][j] == -1 && (int)v[i].size() < k) {
        v[i].pb(j);
      }
    }
  }
  FOR(i, 0, k-1) {
    FOR(j, 0, n-1) {
      a[j] = {cnt[j], j};
    }
    sort(a, a+n);
    reverse(a, a+n);
    FOR(j, 0, n/2-1) {
      answer[a[j].se][v[a[j].se][l[a[j].se]]] = i;
      l[a[j].se]++;
      cnt[a[j].se]--;
    }
    FOR(j, n/2, n-1) {
      answer[a[j].se][v[a[j].se][r[a[j].se]]] = i;
      r[a[j].se]--;
    }
  }
	allocate_tickets(answer);
	return sum;
}

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	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	3 ms	512 KB	Output is correct
5	Correct	43 ms	2432 KB	Output is correct
6	Correct	777 ms	51716 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	360 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	3 ms	640 KB	Output is correct
5	Correct	33 ms	3552 KB	Output is correct
6	Correct	892 ms	76128 KB	Output is correct
7	Correct	964 ms	82612 KB	Output is correct
8	Correct	5 ms	896 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	1 ms	416 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	12 ms	1276 KB	Output is correct
13	Correct	30 ms	3252 KB	Output is correct
14	Correct	32 ms	3440 KB	Output is correct
15	Correct	1044 ms	93832 KB	Output is correct

Subtask #4

14.0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	360 KB	Output is correct
2	Correct	1 ms	384 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	5 ms	640 KB	Output is correct
5	Correct	49 ms	4588 KB	Output is correct
6	Correct	11 ms	1020 KB	Output is correct
7	Correct	16 ms	1276 KB	Output is correct
8	Correct	1555 ms	102296 KB	Output is correct
9	Correct	1398 ms	96312 KB	Output is correct
10	Correct	1505 ms	95652 KB	Output is correct
11	Correct	1518 ms	102352 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	4 ms	640 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	5 ms	640 KB	Output is correct
10	Correct	3 ms	640 KB	Output is correct
11	Correct	3 ms	640 KB	Output is correct
12	Correct	4 ms	640 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	4 ms	640 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	5 ms	640 KB	Output is correct
10	Correct	3 ms	640 KB	Output is correct
11	Correct	3 ms	640 KB	Output is correct
12	Correct	4 ms	640 KB	Output is correct
13	Correct	31 ms	2424 KB	Output is correct
14	Correct	31 ms	2560 KB	Output is correct
15	Correct	39 ms	3564 KB	Output is correct
16	Correct	61 ms	4580 KB	Output is correct
17	Correct	1 ms	384 KB	Output is correct
18	Correct	3 ms	640 KB	Output is correct
19	Correct	3 ms	512 KB	Output is correct
20	Correct	36 ms	3700 KB	Output is correct
21	Correct	45 ms	3688 KB	Output is correct
22	Correct	49 ms	4452 KB	Output is correct
23	Correct	45 ms	4324 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	1 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	43 ms	2432 KB	Output is correct
12	Correct	777 ms	51716 KB	Output is correct
13	Correct	1 ms	384 KB	Output is correct
14	Correct	1 ms	360 KB	Output is correct
15	Correct	1 ms	384 KB	Output is correct
16	Correct	3 ms	640 KB	Output is correct
17	Correct	33 ms	3552 KB	Output is correct
18	Correct	892 ms	76128 KB	Output is correct
19	Correct	964 ms	82612 KB	Output is correct
20	Correct	5 ms	896 KB	Output is correct
21	Correct	1 ms	384 KB	Output is correct
22	Correct	1 ms	416 KB	Output is correct
23	Correct	1 ms	384 KB	Output is correct
24	Correct	12 ms	1276 KB	Output is correct
25	Correct	30 ms	3252 KB	Output is correct
26	Correct	32 ms	3440 KB	Output is correct
27	Correct	1044 ms	93832 KB	Output is correct
28	Correct	1 ms	360 KB	Output is correct
29	Correct	1 ms	384 KB	Output is correct
30	Correct	1 ms	384 KB	Output is correct
31	Correct	5 ms	640 KB	Output is correct
32	Correct	49 ms	4588 KB	Output is correct
33	Correct	11 ms	1020 KB	Output is correct
34	Correct	16 ms	1276 KB	Output is correct
35	Correct	1555 ms	102296 KB	Output is correct
36	Correct	1398 ms	96312 KB	Output is correct
37	Correct	1505 ms	95652 KB	Output is correct
38	Correct	1518 ms	102352 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	4 ms	640 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	5 ms	640 KB	Output is correct
48	Correct	3 ms	640 KB	Output is correct
49	Correct	3 ms	640 KB	Output is correct
50	Correct	4 ms	640 KB	Output is correct
51	Correct	31 ms	2424 KB	Output is correct
52	Correct	31 ms	2560 KB	Output is correct
53	Correct	39 ms	3564 KB	Output is correct
54	Correct	61 ms	4580 KB	Output is correct
55	Correct	1 ms	384 KB	Output is correct
56	Correct	3 ms	640 KB	Output is correct
57	Correct	3 ms	512 KB	Output is correct
58	Correct	36 ms	3700 KB	Output is correct
59	Correct	45 ms	3688 KB	Output is correct
60	Correct	49 ms	4452 KB	Output is correct
61	Correct	45 ms	4324 KB	Output is correct
62	Correct	102 ms	6164 KB	Output is correct
63	Correct	85 ms	6264 KB	Output is correct
64	Correct	129 ms	11360 KB	Output is correct
65	Correct	462 ms	33752 KB	Output is correct
66	Correct	602 ms	44248 KB	Output is correct
67	Correct	13 ms	1276 KB	Output is correct
68	Correct	7 ms	1020 KB	Output is correct
69	Correct	774 ms	51900 KB	Output is correct
70	Correct	1098 ms	76724 KB	Output is correct
71	Correct	1513 ms	102392 KB	Output is correct
72	Correct	1305 ms	97840 KB	Output is correct
73	Correct	1417 ms	96520 KB	Output is correct
74	Correct	1022 ms	75976 KB	Output is correct
75	Correct	1109 ms	75384 KB	Output is correct