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Short Recursion
Ahmad Khatib
Dec 21, 2024
0
25
0
Dec 21, 2024
Simpler solution
Luis Roel
Dec 9, 2024
0
42
0
Dec 9, 2024
Alternative solution without using two pointers
Nabeel Keblawi
Oct 6, 2024
0
40
1
Oct 6, 2024
Why not just recurse through with a hashmap? Is space complexity that important?
Douglas McDonald
Jul 4, 2024
0
85
1
Jul 20, 2024
My solution
Mohammed Dh Abbas
Jul 4, 2024
0
27
0
Jul 4, 2024
The provided solution will return wrong result if num = 10.
anhquan.tranle0601
Sep 26, 2023
0
76
0
Sep 26, 2023
Time Complexity Struggle
maagjoel1
Aug 31, 2023
0
80
2
Dec 22, 2024
Why is -1 not a happy number?
Cady Shelhon
Aug 28, 2023
1
63
2
Aug 30, 2023
Why is "-1" not considered a happy number?
Some Dude
Jul 31, 2023
2
15
0
Aug 14, 2023
The time complexity analysis seems incomplete. It only analyses the time it take...
hj3yoo
Feb 22, 2022
11
104
3
Aug 18, 2024
Would a solution involving hashmaps and recursion not also be valid?let happyMap...
Aidan Eglin
Feb 6, 2022
1
104
3
May 18, 2022