题解 | #三个数的最大乘积# | Rust
三个数的最大乘积
https://www.nowcoder.com/practice/8ae05c2913fe438b8b14f3968f64fc0b
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);
}
}
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