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# 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
1
2
Output: 2
4``````

### Explanation:

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;
while(T--)
{
int n;
cin>>n;
cout<<2*n<<"\n";
}
return 0;
}``````

### Water Requirement CodeChef Solution in Pyth 3

``````t=int(input())
for i in range(t):
n=int(input())
r=n*2
print(r)``````

### 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();

System.out.println(N*2);
}
}
}
``````
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