Submission #1077250

# Submission time Handle Problem Language Result Execution time Memory
1077250 2024-08-27T04:06:59 Z emptypringlescan Longest Trip (IOI23_longesttrip) C++17
25 / 100
12 ms 600 KB
#include <bits/stdc++.h>
using namespace std;
#include "longesttrip.h"
vector<int> longest_trip(int n, int d){
	assert(d>0);
	vector<vector<int> > chains;
	for(int i=0; i<n; i++) chains.push_back({i});
	mt19937 rng(999);
	shuffle(chains.begin(),chains.end(),rng);
	while((int)chains.size()>2){
		vector<int> take[3];
		for(int i=0; i<3; i++){
			swap(take[i],chains[(int)chains.size()-i-1]);
		}
		chains.pop_back();
		if(are_connected({take[0][0]},{take[2][0]})) swap(take[1],take[2]);
		else if(are_connected({take[1][0]},{take[2][0]})) swap(take[0],take[2]);
		reverse(take[0].begin(),take[0].end());
		for(int i:take[1]) take[0].push_back(i);
		take[1].clear();
		swap(chains[(int)chains.size()-1],take[0]);
		swap(chains[(int)chains.size()-2],take[2]);
	}
	assert((int)chains.size()==2);
	if(chains[0].size()>chains[1].size()) return chains[0];
	else return chains[1];
}
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Incorrect
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Incorrect
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Incorrect
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 4 ms 344 KB Output is correct
2 Correct 8 ms 344 KB Output is correct
3 Correct 8 ms 344 KB Output is correct
4 Correct 5 ms 344 KB Output is correct
5 Correct 6 ms 344 KB Output is correct
6 Correct 5 ms 344 KB Output is correct
7 Correct 8 ms 344 KB Output is correct
8 Correct 7 ms 344 KB Output is correct
9 Correct 6 ms 344 KB Output is correct
10 Correct 5 ms 344 KB Output is correct
11 Correct 4 ms 344 KB Output is correct
12 Correct 6 ms 344 KB Output is correct
13 Correct 6 ms 456 KB Output is correct
14 Correct 5 ms 344 KB Output is correct
15 Correct 8 ms 344 KB Output is correct
16 Correct 7 ms 344 KB Output is correct
17 Correct 7 ms 344 KB Output is correct
18 Correct 7 ms 344 KB Output is correct
19 Correct 5 ms 344 KB Output is correct
20 Correct 8 ms 344 KB Output is correct
21 Correct 6 ms 344 KB Output is correct
22 Correct 6 ms 344 KB Output is correct
23 Correct 6 ms 344 KB Output is correct
24 Correct 6 ms 428 KB Output is correct
25 Correct 4 ms 344 KB Output is correct
26 Correct 7 ms 344 KB Output is correct
27 Correct 6 ms 344 KB Output is correct
28 Correct 8 ms 344 KB Output is correct
29 Correct 7 ms 344 KB Output is correct
30 Correct 5 ms 344 KB Output is correct
31 Correct 6 ms 344 KB Output is correct
32 Correct 8 ms 344 KB Output is correct
33 Correct 6 ms 344 KB Output is correct
34 Correct 6 ms 344 KB Output is correct
35 Correct 8 ms 344 KB Output is correct
36 Correct 5 ms 344 KB Output is correct
37 Correct 5 ms 344 KB Output is correct
38 Correct 9 ms 344 KB Output is correct
39 Correct 8 ms 344 KB Output is correct
40 Correct 12 ms 456 KB Output is correct
41 Correct 9 ms 344 KB Output is correct
42 Correct 11 ms 344 KB Output is correct
43 Correct 6 ms 600 KB Output is correct
44 Correct 8 ms 460 KB Output is correct
45 Correct 5 ms 344 KB Output is correct
46 Correct 6 ms 344 KB Output is correct
47 Correct 8 ms 344 KB Output is correct
48 Correct 6 ms 344 KB Output is correct
49 Correct 8 ms 344 KB Output is correct
50 Correct 5 ms 344 KB Output is correct
51 Correct 6 ms 344 KB Output is correct
52 Correct 11 ms 344 KB Output is correct
53 Correct 4 ms 344 KB Output is correct
54 Correct 6 ms 344 KB Output is correct
55 Correct 7 ms 344 KB Output is correct
56 Correct 7 ms 452 KB Output is correct
57 Correct 6 ms 600 KB Output is correct
58 Correct 7 ms 596 KB Output is correct
59 Correct 8 ms 352 KB Output is correct
60 Correct 7 ms 344 KB Output is correct
61 Correct 6 ms 344 KB Output is correct
62 Correct 7 ms 344 KB Output is correct
63 Correct 7 ms 600 KB Output is correct
64 Correct 8 ms 344 KB Output is correct
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Incorrect
2 Halted 0 ms 0 KB -