Function main

1572-matrix-diagonal-sum.rs:23–31

()

// 著作权归领扣网络所有。商业转载请联系官方授权，非商业转载请注明出处。

fn main() {
    let mat = vec!(
        vec!(1,2,3),
        vec!(4,5,6),
        vec!(7,8,9)
    );
    let res = diagonal_sum(mat);
    println!("{:?}", res);
}

pub fn diagonal_sum(mat: Vec<Vec<i32>>) -> i32 {
    let mut sum = 0;