Decrement OR Increment : DECINC

Decrement OR Increment Codechef Solution in C, C++ Java, and Python

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Write a program to obtain a number NN and increment its value by 1 if the number is divisible by 4 otherwise otherwise decrement its value by 1.

Input:

• First line will contain a number NN.

Output:

Output a single line, the new value of the number.

Constraints

• 0≤N≤10000≤N≤1000

Sample Input:

5

Sample Output:

4

EXPLANATION:

Since 5 is not divisible by 4 hence, its value is decreased by 1.

Decrement OR Increment codechef solution in C

// your code goes here
	int x;
	scanf("%d",&x);
	if(x%4==0){
	    printf("%d\n",x+1);

	}
	else if(x%4!=0)
	{
	    printf("%d\n",x-1);
	}
	return 0;
}

Decrement OR Increment codechef solution in C++ 14

// your code goes here
	int n;
	cin>>n;

	if(n%4==0)
	cout << n+1 << endl;
	else
	cout << n-1 << endl;
	return 0;
}

Decrement OR Increment codechef solution in Python 3

n=int(input())
if n%4==0:
    print(n+1)
else:
    print(n-1)

Decrement OR Increment codechef solution in Java

/* package codechef; // don't place package name! */

import java.util.*;
import java.lang.*;
import java.io.*;

/* Name of the class has to be "Main" only if the class is public. */
class Codechef
{
	public static void main (String[] args) throws java.lang.Exception
	{
		// your code goes here
		Scanner sc=new Scanner(System.in);
		int p=sc.nextInt();
		if(p%4==0)
		p+=1;
		else
		p-=1;
		System.out.println(p);
	}
}

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