Submission #300624

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
300624	2020-09-17T10:36:25 Z	b00n0rp	Carnival Tickets (IOI20_tickets)	C++17	100 / 100	1136 ms	101752 KB

tickets

#include "tickets.h"
#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define REP(i,n) for(int i = 0; i < n; i ++)
#define FOR(i,a,b) for(int i = a; i < b; i ++)
#define vi vector<int>
#define vvi vector<vi>
#define pb push_back
#define pii pair<int,int>
#define F first
#define S second
#define all(v) v.begin(),v.end()

const int MX = 1505;
const ll INF = 1e16;

int n,m,k;
vvi a;
int plow[MX],phigh[MX];
ll val[MX][MX];
ll pref[MX][MX];

ll find_maximum(int k, vvi x) {
	n = x.size();
	m = x[0].size();
	::k = k;
	vvi ans(n,vi(m,-1));
	a.resize(n);
	vector<pair<int,pii> > everything;
	ll res = 0;
	priority_queue<pair<ll,int> > pq;
	REP(i,n){
		pref[i][0] = 0;
		REP(j,m){
			a[i].pb(x[i][j]);
			pref[i][j+1] = a[i][j]+pref[i][j];
		}
		REP(j,k+1){
			val[i][j] = pref[i][m]-pref[i][m-(k-j)]-pref[i][j]; 
		}
		plow[i] = -1;
		phigh[i] = m-1; 
		res += val[i][0];
		pq.push({val[i][1]-val[i][0],i});
	}
	REP(i,(n*k)/2){
		pair<ll,int> bruh = pq.top();
		pq.pop();
		res += bruh.F;
		plow[bruh.S]++;
		if(plow[bruh.S] != k-1){
			pq.push({val[bruh.S][plow[bruh.S]+2]-val[bruh.S][plow[bruh.S]+1],bruh.S});
		}
	}
	REP(turn,k){
		vector<pii> v;
		REP(i,n){
			if(plow[i] >= 0){
				v.pb({-plow[i],i});
			}
			else v.pb({1,i});
		}
		sort(all(v));
		REP(i,n/2){
			int ind = v[i].S;
			ans[ind][plow[ind]] = turn;
			plow[ind]--;
		}
		FOR(i,n/2,n){
			int ind = v[i].S;
			ans[ind][phigh[ind]] = turn;
			phigh[ind]--;
		}
	}
	allocate_tickets(ans);
	return res;
}

Subtask #1

11.0 / 11.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	2 ms	1024 KB	Output is correct
5	Correct	4 ms	2816 KB	Output is correct
6	Correct	8 ms	12928 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	416 KB	Output is correct
4	Correct	6 ms	1152 KB	Output is correct
5	Correct	52 ms	6136 KB	Output is correct
6	Correct	794 ms	87288 KB	Output is correct

Subtask #3

14.0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	3 ms	1280 KB	Output is correct
5	Correct	30 ms	6476 KB	Output is correct
6	Correct	798 ms	97016 KB	Output is correct
7	Correct	783 ms	100212 KB	Output is correct
8	Correct	6 ms	1536 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	9 ms	2432 KB	Output is correct
13	Correct	27 ms	7672 KB	Output is correct
14	Correct	27 ms	4616 KB	Output is correct
15	Correct	796 ms	100808 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	0 ms	384 KB	Output is correct
4	Correct	5 ms	1304 KB	Output is correct
5	Correct	62 ms	6904 KB	Output is correct
6	Correct	8 ms	1056 KB	Output is correct
7	Correct	21 ms	13312 KB	Output is correct
8	Correct	1136 ms	101728 KB	Output is correct
9	Correct	1026 ms	98100 KB	Output is correct
10	Correct	1008 ms	94968 KB	Output is correct
11	Correct	1116 ms	101752 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	1152 KB	Output is correct
3	Correct	3 ms	1152 KB	Output is correct
4	Correct	4 ms	1280 KB	Output is correct
5	Correct	4 ms	1280 KB	Output is correct
6	Correct	4 ms	1280 KB	Output is correct
7	Correct	1 ms	384 KB	Output is correct
8	Correct	1 ms	1024 KB	Output is correct
9	Correct	3 ms	1280 KB	Output is correct
10	Correct	4 ms	1280 KB	Output is correct
11	Correct	3 ms	1280 KB	Output is correct
12	Correct	4 ms	1280 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	1152 KB	Output is correct
3	Correct	3 ms	1152 KB	Output is correct
4	Correct	4 ms	1280 KB	Output is correct
5	Correct	4 ms	1280 KB	Output is correct
6	Correct	4 ms	1280 KB	Output is correct
7	Correct	1 ms	384 KB	Output is correct
8	Correct	1 ms	1024 KB	Output is correct
9	Correct	3 ms	1280 KB	Output is correct
10	Correct	4 ms	1280 KB	Output is correct
11	Correct	3 ms	1280 KB	Output is correct
12	Correct	4 ms	1280 KB	Output is correct
13	Correct	34 ms	6176 KB	Output is correct
14	Correct	36 ms	6212 KB	Output is correct
15	Correct	38 ms	6520 KB	Output is correct
16	Correct	44 ms	6880 KB	Output is correct
17	Correct	1 ms	512 KB	Output is correct
18	Correct	4 ms	3072 KB	Output is correct
19	Correct	4 ms	2944 KB	Output is correct
20	Correct	34 ms	6596 KB	Output is correct
21	Correct	39 ms	6392 KB	Output is correct
22	Correct	37 ms	6776 KB	Output is correct
23	Correct	43 ms	6656 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	0 ms	384 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	2 ms	1024 KB	Output is correct
5	Correct	4 ms	2816 KB	Output is correct
6	Correct	8 ms	12928 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	416 KB	Output is correct
10	Correct	6 ms	1152 KB	Output is correct
11	Correct	52 ms	6136 KB	Output is correct
12	Correct	794 ms	87288 KB	Output is correct
13	Correct	0 ms	384 KB	Output is correct
14	Correct	0 ms	384 KB	Output is correct
15	Correct	1 ms	384 KB	Output is correct
16	Correct	3 ms	1280 KB	Output is correct
17	Correct	30 ms	6476 KB	Output is correct
18	Correct	798 ms	97016 KB	Output is correct
19	Correct	783 ms	100212 KB	Output is correct
20	Correct	6 ms	1536 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	9 ms	2432 KB	Output is correct
25	Correct	27 ms	7672 KB	Output is correct
26	Correct	27 ms	4616 KB	Output is correct
27	Correct	796 ms	100808 KB	Output is correct
28	Correct	1 ms	384 KB	Output is correct
29	Correct	1 ms	384 KB	Output is correct
30	Correct	0 ms	384 KB	Output is correct
31	Correct	5 ms	1304 KB	Output is correct
32	Correct	62 ms	6904 KB	Output is correct
33	Correct	8 ms	1056 KB	Output is correct
34	Correct	21 ms	13312 KB	Output is correct
35	Correct	1136 ms	101728 KB	Output is correct
36	Correct	1026 ms	98100 KB	Output is correct
37	Correct	1008 ms	94968 KB	Output is correct
38	Correct	1116 ms	101752 KB	Output is correct
39	Correct	1 ms	384 KB	Output is correct
40	Correct	3 ms	1152 KB	Output is correct
41	Correct	3 ms	1152 KB	Output is correct
42	Correct	4 ms	1280 KB	Output is correct
43	Correct	4 ms	1280 KB	Output is correct
44	Correct	4 ms	1280 KB	Output is correct
45	Correct	1 ms	384 KB	Output is correct
46	Correct	1 ms	1024 KB	Output is correct
47	Correct	3 ms	1280 KB	Output is correct
48	Correct	4 ms	1280 KB	Output is correct
49	Correct	3 ms	1280 KB	Output is correct
50	Correct	4 ms	1280 KB	Output is correct
51	Correct	34 ms	6176 KB	Output is correct
52	Correct	36 ms	6212 KB	Output is correct
53	Correct	38 ms	6520 KB	Output is correct
54	Correct	44 ms	6880 KB	Output is correct
55	Correct	1 ms	512 KB	Output is correct
56	Correct	4 ms	3072 KB	Output is correct
57	Correct	4 ms	2944 KB	Output is correct
58	Correct	34 ms	6596 KB	Output is correct
59	Correct	39 ms	6392 KB	Output is correct
60	Correct	37 ms	6776 KB	Output is correct
61	Correct	43 ms	6656 KB	Output is correct
62	Correct	90 ms	13148 KB	Output is correct
63	Correct	92 ms	13176 KB	Output is correct
64	Correct	120 ms	15224 KB	Output is correct
65	Correct	403 ms	47320 KB	Output is correct
66	Correct	483 ms	51704 KB	Output is correct
67	Correct	16 ms	13312 KB	Output is correct
68	Correct	7 ms	1024 KB	Output is correct
69	Correct	830 ms	87324 KB	Output is correct
70	Correct	955 ms	97060 KB	Output is correct
71	Correct	1088 ms	101744 KB	Output is correct
72	Correct	918 ms	99720 KB	Output is correct
73	Correct	1110 ms	98028 KB	Output is correct
74	Correct	819 ms	95952 KB	Output is correct
75	Correct	977 ms	94396 KB	Output is correct