Answered: Write a C program to count the no. of 1…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

Write a C program to count the no. of 1 to a given input.

Input: 5

Output: 2 [Since 5 has binary format 0101]

Hint : Shift by 1 bit and then compare the shifted value for 1 or divide the input by 2 and check the dividend.

You can use scanf to read the input.

Expert Solution

Step 1: C code

#include<stdio.h>
int main(){
int a[10],n,i,count = 0;
printf("Enter the number: ");
scanf("%d",&n);
for(i=0;n>0;i++)
{
a[i]=n%2;
n=n/2;
if(a[i]==1)
count++;
}
printf("Count of 1 in Given Number is= %d",count);
return 0;
}

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