In this article, we will be solving HackerRank Day 5: Loops problem, part of 30 Days of Code. Majorly, we will use Python3 and Java15 to solve the problem.

Objective:

In this challenge, we will use loops to do some math. Check out the Tutorial tab to learn more.

Task:

Given an integer, n, print its first 10 multiples. Each multiple n x I (where 1 <= i <= 10) should be printed on a new line in the form: n x i = result.

Example

n = 3

The printout should look like this:

3 x 1 = 3
3 x 2 = 6
3 x 3 = 9
3 x 4 = 12
3 x 5 = 15
3 x 6 = 18
3 x 7 = 21
3 x 8 = 24
3 x 9 = 27
3 x 10 = 30

Input Format

A single integer, n.

Constraints

  • 2 <= n <= 20

Output Format

Print 10 lines of output; each line i (where 1 <= i <= 10) contains the result of n x i in the form: n x i = result

Sample Input

2

Sample Output

2 x 1 = 2
2 x 2 = 4
2 x 3 = 6
2 x 4 = 8
2 x 5 = 10
2 x 6 = 12
2 x 7 = 14
2 x 8 = 16
2 x 9 = 18
2 x 10 = 20

You can find all the source code on my GitHub profile: https://github.com/uttammanani/HackerRank-30-Days-of-Code


Solution Day 5: Loops in Python3

#!/bin/python3

import math
import os
import random
import re
import sys

if __name__ == '__main__':
    n = int(input().strip())
    i = 1
    while (i <= 10):
        print(n, "x", i, "=", n*i)
        i += 1

Solution Day 5: Loops in Java15

import java.io.*;
import java.math.*;
import java.security.*;
import java.text.*;
import java.util.*;
import java.util.concurrent.*;
import java.util.function.*;
import java.util.regex.*;
import java.util.stream.*;
import static java.util.stream.Collectors.joining;
import static java.util.stream.Collectors.toList;

public class Solution {
    public static void main(String[] args) throws IOException {
        BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(System.in));

        int n = Integer.parseInt(bufferedReader.readLine().trim());
        for (int i=1; i<=10; i++){
            System.out.println(n+ " x " +i+" = " +n*i);
        }
        bufferedReader.close();
    }
}
HackerRank-Day-5-Solution-Output
HackerRank Day 5 – Output – 30 Days of Code

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