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2097. Valid Arrangement of Pairs
Bookmark
Backtracking
Hierholzer
Input
Standard
Circuit
Longer
Custom
pairs
=
[[5,1],[4,5],[11,9],[9,4]]
1
4
5
9
11
Arrangement
(empty)
1
4
5
9
11
Arrangement
(empty)
1
4
5
9
11
Arrangement
5
→
1
1
4
5
9
11
Arrangement
4
→
5
1
4
5
9
11
Arrangement
4
→
5
→
1
1
4
5
9
11
Arrangement
4
→
5
1
4
5
9
11
Arrangement
11
→
9
1
4
5
9
11
Arrangement
11
→
9
1
4
5
9
11
Arrangement
11
→
9
→
4
1
4
5
9
11
Arrangement
11
→
9
→
4
→
5
1
4
5
9
11
Arrangement
11
→
9
→
4
→
5
→
1
algo
master
.
io
Step:
Start: try every pair as the first one and extend by brute force. 4 pairs to arrange.
0 / 43
Input
Standard
Circuit
Longer
Custom
pairs
=
[[5,1],[4,5],[11,9],[9,4]]
0 / 43
algo
master
.
io
Step:
Start: try every pair as the first one and extend by brute force. 4 pairs to arrange.
