Reverse Number sign

An integer value N is passed as the input. The program must reverse the sign of N and print -N as the output.

Input Format:
The first line contains N.

Output Format:
The first line contains -N. Boundary Conditions: -999999 <= N <= 999999

Example Input/Output 1:

Input:
125

Output:
-125

Example Input/Output 2:

Input:
-346

Output:
346

Example Input/Output 3:

Input:
0

Output:
0

import java.util.*;
import java.lang.*;
public class Hello {
    public static void main(String[] args) {
    Scanner s=new Scanner(System.in);
    int n=s.nextInt();
    if(Math.abs(n)==n)
    System.out.print(-1*n);
    else
    System.out.println(Math.abs(n));
  }
}

Leave a Reply

Your email address will not be published. Required fields are marked *

More posts. You may also be interested in.