0009. Palindrome Number
Checking if a number is a palindrome — 3 different approaches
← 0008. String to Integer
0010. Regular Expression Matching →
String Conversion
Full Reversal
Half Reversal
x =
121
-121
10
12321
1221
0
123
🎲 Generate
Type:
Palindrome
Non-palindrome
Negative
Any
Play
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Step
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Speed:
0.5x
1x
2x
4x
Press "Play" or "Step" to start the animation.
Algorithm Complexity
String Conversion
O(log x)
O(log x) / O(log x)
Half Reversal
O(log x)
O(log x) / O(1)