Notice: This page requires JavaScript to function properly.
Please enable JavaScript in your browser settings or update your browser.
Learn Challenge: Finding the Largest Element in a Grid | Arrays and Slices
Introduction to GoLang

bookChallenge: Finding the Largest Element in a Grid

Task

Below is an unfinished code for finding the largest int element in a 4x4 matrix or grid. Read the code and complete it by replacing the blanks (___) with appropriate code.

index.go

index.go

copy
1234567891011121314151617181920212223242526272829303132333435363738
package main import "fmt" // The `rand` module contains the Intn method which returns a random integer. import "math/rand" func findMax(___) int { var max int = arr[0][0] for i := 0; i < 4; i++ { for j := 0; j < 4; j++ { if arr[i][j] > max { max = ___ } } } return ___ } func getRandomArray() [4][4] int { var arr ___ ___ for i := 0; i < 4; i++ { for j := 0; j < 4; j++ { // Syntax: rand.Intn(max) // 0 <= Returned Value < max // return value may be 0, cannot be `max` arr[i][j] = rand.Intn(100) } } return arr } func main() { var numbers = getRandomArray() var max = findMax(___) fmt.Println(numbers) fmt.Println("Maximum:", max) }

Everything was clear?

How can we improve it?

Thanks for your feedback!

SectionΒ 5. ChapterΒ 9

Ask AI

expand

Ask AI

ChatGPT

Ask anything or try one of the suggested questions to begin our chat

Suggested prompts:

Can you explain how the findMax function works?

What does rand.Intn(100) do in this code?

Can you show an example output of this program?

Awesome!

Completion rate improved to 1.96

bookChallenge: Finding the Largest Element in a Grid

Swipe to show menu

Task

Below is an unfinished code for finding the largest int element in a 4x4 matrix or grid. Read the code and complete it by replacing the blanks (___) with appropriate code.

index.go

index.go

copy
1234567891011121314151617181920212223242526272829303132333435363738
package main import "fmt" // The `rand` module contains the Intn method which returns a random integer. import "math/rand" func findMax(___) int { var max int = arr[0][0] for i := 0; i < 4; i++ { for j := 0; j < 4; j++ { if arr[i][j] > max { max = ___ } } } return ___ } func getRandomArray() [4][4] int { var arr ___ ___ for i := 0; i < 4; i++ { for j := 0; j < 4; j++ { // Syntax: rand.Intn(max) // 0 <= Returned Value < max // return value may be 0, cannot be `max` arr[i][j] = rand.Intn(100) } } return arr } func main() { var numbers = getRandomArray() var max = findMax(___) fmt.Println(numbers) fmt.Println("Maximum:", max) }

Everything was clear?

How can we improve it?

Thanks for your feedback!

SectionΒ 5. ChapterΒ 9
some-alt