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Palindrome Number
Bookmark
Input
Palindrome
Negative
Ends in 0
Odd-length
Custom
x
=
121
x
reversedHalf
1
2
1
x
reversedHalf
1
2
1
x
x = 121
reversedHalf
reversedHalf = 0
0
1
2
1
x
x = 12
reversedHalf
reversedHalf = 1
1
2
1
reversedHalf =
0
× 10 +
1
=
1
x =
121
// 10 =
12
x
x = 1
reversedHalf
reversedHalf = 12
1
2
1
reversedHalf =
1
× 10 +
2
=
12
x =
12
// 10 =
1
x
x = 1
reversedHalf
reversedHalf = 12
1
2
1
middle
x (1)
==
reversedHalf//10 (1)
→
true
x
x = 1
reversedHalf
reversedHalf = 12
1
2
1
middle
121 is a palindrome
algo
master
.
io
Step:
Check whether 121 is a palindrome
0 / 5
Input
Palindrome
Negative
Ends in 0
Odd-length
Custom
x
=
121
0 / 5
algo
master
.
io
Step:
Check whether 121 is a palindrome
