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Solution: Multidimensional Array

Explore how to efficiently manage multidimensional arrays in Go by encoding a two-dimensional structure into a one-dimensional array. Understand the indexing approach using row and column numbers to optimize array handling within Go's collection types.

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Solution

Go (1.16.5)
package main
import "fmt"
const (
	width  = 34
	height = 11
	gopher = "         ,_---~~~~~----._           _,,_,*^____      _____``*g*\\'*,  / __/ /'     ^.  /      \\ ^@q   f[  @f | @))    |  | @))   l  0 _/  \\`/   \\~____ / __ \\_____/    \\     |           _l__l_           I    }          [______]           I   ]            | | |            |   ]             ~ ~             |   |                            |     |                           |  "
)
func getCharacterAt(array2d string, x, y, width int) string {
	return string(array2d[width*y+x])
}
func main() {
	for y := 0; y < height; y++ {
		for x := 0; x < width; x++ {
			fmt.Print(
				getCharacterAt(gopher, x, y, width))
		}
		fmt.Println()
	}
}

Explanation

In ...