Hackerrank Java If-Else Solution
In this challenge, we test your knowledge of using if-else conditional statements to automate decision-making processes. An if-else statement has the following logical flow:
Source: Wikipedia
Task
Given an integer, , perform the following conditional actions:
- If is odd, print
Weird
- If is even and in the inclusive range of to , print
Not Weird
- If is even and in the inclusive range of to , print
Weird
- If is even and greater than , print
Not Weird
Complete the stub code provided in your editor to print whether or not is weird.
Input Format
A single line containing a positive integer, .
Constraints
Output Format
Print Weird
if the number is weird; otherwise, print Not Weird
.
Sample Input 0
3
Sample Output 0
Weird
Sample Input 1
24
Sample Output 1
Not Weird
Explanation
Sample Case 0:
is odd and odd numbers are weird, so we print Weird
.
Sample Case 1:
and is even, so it isn't weird. Thus, we print Not Weird
.
Solution in java8
Approach 1.
import java.io.*;
import java.util.*;
import java.text.*;
import java.math.*;
import java.util.regex.*;
public class Solution {
public static void main(String[] args) {
Scanner sc=new Scanner(System.in);
int n = sc.nextInt();
System.out.println((n%2==1 || (n>=6 && n<=20)) ? "Weird" : ((n>=2 && n <=5) || n > 20) ? "Not Weird" : "Weird");
}
}
Approach 2.
import java.io.*;
import java.util.*;
import java.text.*;
import java.math.*;
import java.util.regex.*;
public class Solution {
public static void main(String[] args) {
Scanner sc=new Scanner(System.in);
int n=sc.nextInt();
String ans="";
if(n%2==1||n%2==0&& n>5 && n<21){
ans = "Weird";
}
else{
if(n%2==0&& n>1 && n<6||n>20){
ans = "Not Weird";
}
}
System.out.println(ans);
}
}
Approach 3.
import java.io.*;
import java.util.*;
import java.text.*;
import java.math.*;
import java.util.regex.*;
public class Solution {
public static void main(String[] args) {
Scanner sc=new Scanner(System.in);
int n=sc.nextInt();
String ans="";
if(n%2==1){
ans = "Weird";
} else if (n>=2 && n <= 5){
ans = "Not Weird";
} else if (n>=6 && n <= 20) {
ans = "Weird";
} else {
ans = "Not Weird";
}
System.out.println(ans);
}
}