题解 | #回文数字# | Rust

struct Solution{

}

impl Solution {
    fn new() -> Self {
        Solution{}
    }

    /**
    * 代码中的类名、方法名、参数名已经指定，请勿修改，直接返回方法规定的值即可
    *
    * 
        * @param x int整型 
        * @return bool布尔型
    */
    pub fn isPalindrome(&self, x: i32) -> bool {
        if x < 0 {
            return false;
        }
        if x != 0 && x%10 == 0 {
            return false;
        }
        if x == 0 {
            return true;
        }
        let mut x = x;
        let mut rev_n : i32 = 0;
        while rev_n < x {
            rev_n = rev_n*10 + x%10;
            x/=10;
        }
        if rev_n == x {
            return true;
        }
        if rev_n/10 == x {
            return true;
        }
        return false;
    }
}