Water Requirement CodeChef Solution

Problem – Water Requirement CodeChef Solution

Finally, after purchasing a water cooler during the April long challenge, Chef noticed that his water cooler requires 2 liters of water to cool for one hour.

How much water (in liters) would be required by the cooler to cool for N hours?

Input Format

  • The first line of input will contain an integer T — the number of test cases. The description of T test cases follows.
  • The first and only line of each test case contains an integer N, as described in the problem statement.

Output Format

For each test case, output the number of liters of water required by the water cooler to cool for N hours.


  • 1≤T≤1000
  • 1≤N≤1000

Sample 1:

Input: 2
Output: 2


Test case 1: As mentioned in the problem statement, 2 liters of water is required by the water cooler to cool for 1 hour.

Test case 2: 4 liters of water is required by the water cooler to cool for 2 hours.

Water Requirement CodeChef Solution in C++14

#include <iostream>
using namespace std;

int main() {
     int T; cin>>T;
         int n;
	return 0;

Water Requirement CodeChef Solution in Pyth 3

for i in range(t):

Water Requirement CodeChef Solution in Java

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

class Codechef
	public static void main (String[] args) throws java.lang.Exception
		Scanner scn= new Scanner(System.in);    
        int T= scn.nextInt();  
        for(int i=0; i<T;i++){
            int N= scn.nextInt();

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