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Program Discussion :: Basics
Home > Programs > Basics

106. write a program to set the nth bit .

Answer:

#include <stdio.h>

#include<iostream>
using namespace std;
int main()
{
    int num, n, newNum; 
    /*Reads a number from user*/
    cout<<"Enter any number: ";
    cin>>num;
    /*Reads the bit number you want to set*/
    cout<<"Enter nth bit to set (0-31): ";
    cin>>n; 
    /*Right shift 1 to n times and perform bitwise OR with number*/
    newNum = (1 << n) | num; 
    cout<<"Bit set successfully.\n\n";
   cout<<"Number before setting bit: in \n"<<"in"<<num<<"is"<<n;
   cout<<"Number after setting bit:" <<"in"<<newNum<<"is"<<n;
    return 0;

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