Question

How to declare, initialize and print a 2D array (matrix) in Rust

Answer 1

fn main() {
    let arr = [
        [1, 2, 3, 5],
        [4, 5, 6, 0],
        [7, 8, 9, 2],
    ];

    let rows = arr.len();
    let cols = arr[0].len();

    for i in 0..rows {
        for j in 0..cols {
            print!("{} ", arr[i][j]);
        }
        println!();
    }
}


 
 
/*
run:

1 2 3 5 
4 5 6 0 
7 8 9 2 

*/

 

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