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Golang program to print the number of leading zeros in an 8-bit binary number

Here, we are going to learn how to print the number of leading zeros in an 8-bit binary number in Golang (Go Language)?
Submitted by Nidhi, on April 30, 2021

Problem Solution:

Here, we will read an 8-bit integer number from the user and find the number of leading zeros in the corresponding binary number using the bits.LeadingZeros8() function, and print the result on the console screen.

Program/Source Code:

The source code to print the number of leading zeros in an 8-bit binary number is given below. The given program is compiled and executed on the ubuntu 18.04 operating system successfully.

// Golang program to print the number of
// leading zero in an 8-bit binary number

package main

import (
	"fmt"
	"math/bits"
)

func main() {
	var num uint8 = 0

	fmt.Printf("Enter number: ")
	fmt.Scanf("%d", &num)

	fmt.Printf("Binary number: %08b\n", num)
	fmt.Printf("Number of leading zeros are: %d\n", bits.LeadingZeros8(num))
}

Output:

Enter number: 21
Binary number: 00010101
Number of leading zeros are: 3

Explanation:

In the above program, we declare the package main. The main package is used to tell the Go language compiler that the package must be compiled and produced the executable file. Here, we imported the required packages to predefined functions.

In the main() function, we created a variable num of type uint8 with the initial value 0. Then we read the value of num from the user and get the number of leading zeros in corresponding binary number using the bits.LeadingZeros8() function and printed the result on the console screen.

Golang math/bits Package Programs »



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