题解 | #三个数的最大乘积# | 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
    *
    * 最大乘积
        * @param A int整型一维数组 
        * @return long长整型
    */
    pub fn solve(&self, A: Vec<i32>) -> i64 {
        let mut A = A;
        A.sort_by(|a, b| b.cmp(a));
        let n = A.len();
        return A[0] as i64 * std::cmp::max((A[1] * A[2]) as i64, (A[n-1] * A[n-2]) as i64);
    }
}