g0001_0100.s0009_palindrome_number.Solution Maven / Gradle / Ivy
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Java-based LeetCode algorithm problem solutions, regularly updated
package g0001_0100.s0009_palindrome_number;
// #Easy #Math #Udemy_Integers #2022_06_13_Time_13_ms_(58.99%)_Space_44.7_MB_(48.08%)
public class Solution {
public boolean isPalindrome(int x) {
if (x < 0) {
return false;
}
int rev = 0;
int localX = x;
while (localX > 0) {
rev *= 10;
rev += localX % 10;
localX /= 10;
}
return rev == x;
}
}