Submission #401204

# Submission time Handle Problem Language Result Execution time Memory
401204 2021-05-09T15:15:03 Z srvlt Carnival Tickets (IOI20_tickets) C++14
100 / 100
1303 ms 92772 KB
#include "tickets.h"
#include <bits/stdc++.h>
#define pb push_back
#define all(x) begin(x),end(x)
#define SZ(x) (int)(x).size()
#define mem(x,y) memset(&x,y,sizeof(x))
#define ll long long
using namespace std;

const int n0=1503;
vector<array<int,2>> pos[n0];
int l[n0],r[n0],used[n0];

ll find_maximum(int k, vector<vector<int>> x) {
	int n=SZ(x),m=SZ(x[0]);
	vector<vector<int>> answer(n,vector<int>(m,-1));
	vector<array<int,3>> vec;
	ll s=0;
	for(int i=0; i<n; i++) {
		for(int j=0; j<k; j++) {
			s+=x[i][j+m-k];
			vec.pb({-x[i][j]-x[i][j+m-k],-j,i});
		}
	}
	sort(all(vec));reverse(all(vec));
	set<array<int,2>> rows;
	for(int i=0; i<k*n/2; i++) {
		s+=vec[i][0];
		l[vec[i][2]]++;
	}
	for(int i=0; i<n; i++) {
		l[i]--;
		rows.insert({l[i],i});
	}
	for(int i=k-1; i>=0; i--) {
		assert(SZ(rows)>=n/2);
		auto it=prev(end(rows));
		vector<int> todel;
		for(int j=0; j<n/2; j++) {
			int x=(*it)[1],y=(*it)[0];
			answer[x][y]=i;
			pos[i].pb({x,y});
			todel.pb(x);
			it--;
		}
		for(int x:todel) {
			rows.erase({l[x],x});
			l[x]--;
			if(l[x]>=0)
				rows.insert({l[x],x});
		}
	}
	for(int i=0; i<n; i++) r[i]=m-1;
	for(int i=0; i<k; i++) {
		mem(used,0);
		for(auto &j:pos[i]) {
			used[j[0]]=1;
		}
		for(int j=0; j<n; j++) {
			if(!used[j]) {
				answer[j][r[j]]=i;
				r[j]--;
			}
		}
	}
	allocate_tickets(answer);
	return s;
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 2 ms 716 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 3 ms 460 KB Output is correct
5 Correct 27 ms 2380 KB Output is correct
6 Correct 657 ms 51588 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 3 ms 460 KB Output is correct
5 Correct 36 ms 3184 KB Output is correct
6 Correct 914 ms 68292 KB Output is correct
7 Correct 1036 ms 74808 KB Output is correct
8 Correct 6 ms 728 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 10 ms 1036 KB Output is correct
13 Correct 36 ms 2752 KB Output is correct
14 Correct 35 ms 3032 KB Output is correct
15 Correct 1152 ms 80024 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 4 ms 588 KB Output is correct
5 Correct 49 ms 4624 KB Output is correct
6 Correct 9 ms 1064 KB Output is correct
7 Correct 10 ms 1168 KB Output is correct
8 Correct 1299 ms 85140 KB Output is correct
9 Correct 1204 ms 79672 KB Output is correct
10 Correct 1200 ms 80464 KB Output is correct
11 Correct 1303 ms 85172 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 3 ms 460 KB Output is correct
3 Correct 3 ms 476 KB Output is correct
4 Correct 3 ms 532 KB Output is correct
5 Correct 4 ms 604 KB Output is correct
6 Correct 4 ms 588 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 4 ms 584 KB Output is correct
10 Correct 4 ms 588 KB Output is correct
11 Correct 4 ms 604 KB Output is correct
12 Correct 4 ms 600 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 3 ms 460 KB Output is correct
3 Correct 3 ms 476 KB Output is correct
4 Correct 3 ms 532 KB Output is correct
5 Correct 4 ms 604 KB Output is correct
6 Correct 4 ms 588 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 4 ms 584 KB Output is correct
10 Correct 4 ms 588 KB Output is correct
11 Correct 4 ms 604 KB Output is correct
12 Correct 4 ms 600 KB Output is correct
13 Correct 28 ms 3228 KB Output is correct
14 Correct 29 ms 3272 KB Output is correct
15 Correct 38 ms 3772 KB Output is correct
16 Correct 51 ms 4684 KB Output is correct
17 Correct 2 ms 348 KB Output is correct
18 Correct 3 ms 588 KB Output is correct
19 Correct 2 ms 472 KB Output is correct
20 Correct 40 ms 3440 KB Output is correct
21 Correct 41 ms 4008 KB Output is correct
22 Correct 47 ms 3876 KB Output is correct
23 Correct 46 ms 4412 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 2 ms 716 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 3 ms 460 KB Output is correct
11 Correct 27 ms 2380 KB Output is correct
12 Correct 657 ms 51588 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 3 ms 460 KB Output is correct
17 Correct 36 ms 3184 KB Output is correct
18 Correct 914 ms 68292 KB Output is correct
19 Correct 1036 ms 74808 KB Output is correct
20 Correct 6 ms 728 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 10 ms 1036 KB Output is correct
25 Correct 36 ms 2752 KB Output is correct
26 Correct 35 ms 3032 KB Output is correct
27 Correct 1152 ms 80024 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 336 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 4 ms 588 KB Output is correct
32 Correct 49 ms 4624 KB Output is correct
33 Correct 9 ms 1064 KB Output is correct
34 Correct 10 ms 1168 KB Output is correct
35 Correct 1299 ms 85140 KB Output is correct
36 Correct 1204 ms 79672 KB Output is correct
37 Correct 1200 ms 80464 KB Output is correct
38 Correct 1303 ms 85172 KB Output is correct
39 Correct 1 ms 332 KB Output is correct
40 Correct 3 ms 460 KB Output is correct
41 Correct 3 ms 476 KB Output is correct
42 Correct 3 ms 532 KB Output is correct
43 Correct 4 ms 604 KB Output is correct
44 Correct 4 ms 588 KB Output is correct
45 Correct 1 ms 332 KB Output is correct
46 Correct 1 ms 332 KB Output is correct
47 Correct 4 ms 584 KB Output is correct
48 Correct 4 ms 588 KB Output is correct
49 Correct 4 ms 604 KB Output is correct
50 Correct 4 ms 600 KB Output is correct
51 Correct 28 ms 3228 KB Output is correct
52 Correct 29 ms 3272 KB Output is correct
53 Correct 38 ms 3772 KB Output is correct
54 Correct 51 ms 4684 KB Output is correct
55 Correct 2 ms 348 KB Output is correct
56 Correct 3 ms 588 KB Output is correct
57 Correct 2 ms 472 KB Output is correct
58 Correct 40 ms 3440 KB Output is correct
59 Correct 41 ms 4008 KB Output is correct
60 Correct 47 ms 3876 KB Output is correct
61 Correct 46 ms 4412 KB Output is correct
62 Correct 77 ms 8444 KB Output is correct
63 Correct 76 ms 8516 KB Output is correct
64 Correct 134 ms 11576 KB Output is correct
65 Correct 424 ms 37668 KB Output is correct
66 Correct 554 ms 45504 KB Output is correct
67 Correct 10 ms 1168 KB Output is correct
68 Correct 9 ms 988 KB Output is correct
69 Correct 679 ms 59680 KB Output is correct
70 Correct 979 ms 84608 KB Output is correct
71 Correct 1294 ms 92772 KB Output is correct
72 Correct 1260 ms 79064 KB Output is correct
73 Correct 1188 ms 78208 KB Output is correct
74 Correct 944 ms 72136 KB Output is correct
75 Correct 975 ms 63164 KB Output is correct