palindrome-number
2019-12-04 本文已影响0人
奔跑的蛙牛
Runtime: 8 ms, faster than 46.98% of Rust online submissions for Palindrome Number.
Memory Usage: 2.3 MB, less than 100.00% of Rust online submissions for Palindrome Number.
pub fn is_palindrome(x: i32) -> bool {
let mut x = x;
if x < 0 || (x % 10 == 0 && x != 0) {
return false;
}
let mut reverse_number = 0;
while x > reverse_number {
reverse_number = reverse_number * 10 + x % 10;
x = x / 10;
}
return x == reverse_number || x == reverse_number / 10;
}