
g0001_0100.s0009_palindrome_number.Solution.kt Maven / Gradle / Ivy
package g0001_0100.s0009_palindrome_number
// #Easy #Math #2022_03_22_Time_208_ms_(94.88%)_Space_35.9_MB_(90.14%)
class Solution {
fun isPalindrome(x: Int): Boolean {
if (x < 0) return false
var rev = 0
var localX = x
while (localX > 0) {
rev *= 10
rev += localX % 10
localX /= 10
}
return rev == x
}
}
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