Bitwise Operators in C – Hacker Rank Solution | HackerRank Programming Solutions | HackerRank C Solutions

Hello Programmers/Coders, Today we are going to share solutions of Programming problems of HackerRank of Programming Language C . At Each Problem with Successful submission with all Test Cases Passed, you will get an score or marks. And after solving maximum problems, you will be getting stars. This will highlight you profile to the recruiters.

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C is one of the most widely used Programming Languages. it is basically used to build Operating System. C was developed by Dennis Ritchie in 1972. Below are some examples of C Programming which might you understanding the basics of C Programming.


In this challenge, you will use logical bitwise operators. All data is stored in its binary representation. The logical operators, and C language, use  to represent true and  to represent false. The logical operators compare bits in two numbers and return true or false,  or , for each bit compared.

  • Bitwise AND operator & The output of bitwise AND is 1 if the corresponding bits of two operands is 1. If either bit of an operand is 0, the result of corresponding bit is evaluated to 0. It is denoted by &.
  • Bitwise OR operator | The output of bitwise OR is 1 if at least one corresponding bit of two operands is 1. It is denoted by |.
  • Bitwise XOR (exclusive OR) operator ^ The result of bitwise XOR operator is 1 if the corresponding bits of two operands are opposite. It is denoted by .

For example, for integers 3 and 5,

3 = 00000011 (In Binary)
5 = 00000101 (In Binary)

AND operation        OR operation        XOR operation
  00000011             00000011            00000011
& 00000101           | 00000101          ^ 00000101
  ________             ________            ________
  00000001  = 1        00000111  = 7       00000110  = 6

You will be given an integer , and a threshold, i1nnik$. Print the results of the and, or and exclusive or comparisons on separate lines, in that order.


The results of the comparisons are below:

a b   and or xor
1 2   0   3  3
1 3   1   3  2
2 3   2   3  1

For the and comparison, the maximum is . For the or comparison, none of the values is less than , so the maximum is . For the xor comparison, the maximum value less than  is . The function should print:


Function Description

Complete the calculate_the_maximum function in the editor below.

calculate_the_maximum has the following parameters:

  • int n: the highest number to consider
  • int k: the result of a comparison must be lower than this number to be considered


Print the maximum values for the andor and xor comparisons, each on a separate line.

Input Format

The only line contains  space-separated integers,  and .


Sample Input 0

5 4

Sample Output 0

Bitwise Operators in C – Hacker Rank Solution
#include <stdio.h>
#include <string.h>
#include <math.h>
#include <stdlib.h>

int main()
    int n, k;
    scanf("%d %d", &n, &k);
    int mxAnd = 0, mxOr = 0, mxXor = 0;
    for(int i = 1; i <= n; i++){
        for(int j = i + 1; j <= n; j++){
            if(mxAnd < (i & j) && (i & j) < k)
                mxAnd = i & j;
            if(mxOr < (i | j) && (i | j) < k)
                mxOr = i | j;
            if(mxXor < (i ^ j) && (i ^ j) < k)
                mxXor = i ^ j;
    printf("%d\n", mxAnd);
    printf("%d\n", mxOr);
    printf("%d\n", mxXor);
    return 0;

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