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Submission #1069771

# Submission time Handle Problem Language Result Execution time Memory
1069771 2024-08-22T08:49:57 Z UmairAhmadMirza Longest Trip (IOI23_longesttrip) C++17
40 / 100
 962 ms 744 KB 
#include <bits/stdc++.h>
using namespace std;
 
bool are_connected(vector<int> A, vector<int> B);
 
int const MAXN=260;
bool con[MAXN][MAXN];
vector<int> path,longest;
bool vis[MAXN];
int nn;
void dfs(int node){
	path.push_back(node);
	if(path.size()>longest.size())
		longest=path;
	vis[node]=1;
	for(int i=0;i<nn;i++)
		if(vis[i]==0 && con[node][i])
			dfs(i);
	path.pop_back();
}
vector<int> longest_trip(int n, int D){
	longest.clear();
	nn=n;
	vector<int> a,b;
	for(int i=0;i<n;i++){
		a.push_back(i);
		for(int j=i+1;j<n;j++){
			b.push_back(j);
			con[i][j]=are_connected(a,b);
			con[j][i]=con[i][j];
			b.pop_back();
		}
		a.pop_back();
	}
	if(D>1){
		path.clear();
		for (int i = 0; i < n; ++i)
			path.push_back(i);
		bool bl=0;
		for(int i=0;i<n-1;i++)
			if(con[path[i]][path[i+1]]==0){
				if(i==n-2)
					rotate(path.rbegin(), path.rbegin() + 1, path.rend());
				else
					swap(path[i+1],path[i+2]);
			}
		return path;
	}
	for (int i = 0; i < n; ++i)
	{
		path.clear();
		for(int j=0;j<n;j++)
			vis[j]=0;
		dfs(i);
	}
	return longest;
}

Compilation message

longesttrip.cpp: In function 'std::vector<int> longest_trip(int, int)':
longesttrip.cpp:39:8: warning: unused variable 'bl' [-Wunused-variable]
   39 |   bool bl=0;
      |        ^~

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 210 ms 480 KB Output is correct

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 344 KB Output is correct
2 Correct 29 ms 344 KB Output is correct
3 Correct 125 ms 344 KB Output is correct
4 Correct 396 ms 344 KB Output is correct
5 Correct 850 ms 476 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 344 KB Output is correct
2 Correct 19 ms 344 KB Output is correct
3 Correct 139 ms 344 KB Output is correct
4 Correct 419 ms 344 KB Output is correct
5 Correct 822 ms 476 KB Output is correct
6 Correct 5 ms 344 KB Output is correct
7 Correct 22 ms 344 KB Output is correct
8 Correct 140 ms 344 KB Output is correct
9 Correct 343 ms 344 KB Output is correct
10 Correct 871 ms 480 KB Output is correct
11 Correct 845 ms 476 KB Output is correct
12 Correct 869 ms 480 KB Output is correct
13 Correct 869 ms 592 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 344 KB Output is correct
2 Correct 25 ms 344 KB Output is correct
3 Correct 161 ms 600 KB Output is correct
4 Correct 482 ms 592 KB Output is correct
5 Correct 939 ms 476 KB Output is correct
6 Correct 7 ms 344 KB Output is correct
7 Correct 21 ms 344 KB Output is correct
8 Correct 154 ms 452 KB Output is correct
9 Correct 322 ms 344 KB Output is correct
10 Correct 881 ms 592 KB Output is correct
11 Correct 915 ms 592 KB Output is correct
12 Correct 957 ms 476 KB Output is correct
13 Correct 948 ms 480 KB Output is correct
14 Correct 7 ms 344 KB Output is correct
15 Correct 11 ms 344 KB Output is correct
16 Correct 39 ms 344 KB Output is correct
17 Correct 102 ms 344 KB Output is correct
18 Correct 129 ms 344 KB Output is correct
19 Correct 356 ms 592 KB Output is correct
20 Correct 316 ms 592 KB Output is correct
21 Correct 914 ms 480 KB Output is correct
22 Correct 922 ms 480 KB Output is correct
23 Correct 885 ms 480 KB Output is correct
24 Correct 945 ms 480 KB Output is correct
25 Correct 9 ms 344 KB Output is correct
26 Correct 10 ms 344 KB Output is correct
27 Correct 23 ms 344 KB Output is correct
28 Correct 22 ms 344 KB Output is correct
29 Correct 24 ms 344 KB Output is correct
30 Correct 207 ms 344 KB Output is correct
31 Correct 188 ms 460 KB Output is correct
32 Correct 235 ms 344 KB Output is correct
33 Correct 369 ms 596 KB Output is correct
34 Correct 298 ms 444 KB Output is correct
35 Correct 305 ms 444 KB Output is correct
36 Correct 911 ms 476 KB Output is correct
37 Correct 852 ms 476 KB Output is correct
38 Correct 946 ms 476 KB Output is correct
39 Correct 883 ms 600 KB Output is correct
40 Correct 930 ms 592 KB Output is correct
41 Correct 906 ms 480 KB Output is correct
42 Correct 926 ms 484 KB Output is correct
43 Correct 912 ms 480 KB Output is correct
44 Correct 893 ms 484 KB Output is correct
45 Correct 6 ms 344 KB Output is correct
46 Correct 9 ms 344 KB Output is correct
47 Correct 31 ms 344 KB Output is correct
48 Correct 20 ms 344 KB Output is correct
49 Correct 20 ms 344 KB Output is correct
50 Correct 216 ms 344 KB Output is correct
51 Correct 214 ms 456 KB Output is correct
52 Correct 208 ms 452 KB Output is correct
53 Correct 334 ms 592 KB Output is correct
54 Correct 347 ms 444 KB Output is correct
55 Correct 329 ms 444 KB Output is correct
56 Correct 917 ms 484 KB Output is correct
57 Correct 946 ms 720 KB Output is correct
58 Correct 930 ms 552 KB Output is correct
59 Correct 938 ms 484 KB Output is correct
60 Correct 920 ms 556 KB Output is correct
61 Correct 902 ms 524 KB Output is correct
62 Correct 891 ms 744 KB Output is correct
63 Correct 875 ms 480 KB Output is correct
64 Correct 911 ms 592 KB Output is correct

Subtask #4
0.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 344 KB Output is correct
2 Correct 27 ms 344 KB Output is correct
3 Partially correct 145 ms 344 KB Output is partially correct
4 Partially correct 449 ms 588 KB Output is partially correct
5 Partially correct 914 ms 480 KB Output is partially correct
6 Correct 8 ms 340 KB Output is correct
7 Correct 23 ms 344 KB Output is correct
8 Partially correct 153 ms 344 KB Output is partially correct
9 Partially correct 285 ms 596 KB Output is partially correct
10 Partially correct 945 ms 480 KB Output is partially correct
11 Partially correct 962 ms 496 KB Output is partially correct
12 Partially correct 952 ms 480 KB Output is partially correct
13 Partially correct 953 ms 492 KB Output is partially correct
14 Correct 6 ms 344 KB Output is correct
15 Correct 13 ms 344 KB Output is correct
16 Incorrect 6 ms 344 KB Incorrect
17 Halted 0 ms 0 KB -