Question

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

Answer 1

package main

import (
    "fmt"
)

func main() {
    arr := [][]int{
        {1, 2, 3, 5},
        {4, 5, 6, 0},
        {7, 8, 9, 3},
    }

    rows := len(arr)
    cols := len(arr[0])

    for i := 0; i < rows; i++ {
        for j := 0; j < cols; j++ {
            fmt.Print(arr[i][j], " ")
        }
        fmt.Println()
    }
}



/*
run: 

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

 

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