Codechef•Sep 05, 2025

Water Requirement

Hazrat Ali

Codechef

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.

Constraints

  • 1≤T≤1000
  • 1≤N≤1000

Sample 1:

Input 
2
1
2
Output
 
2
4

Solution

t = int(input())

for _ in range(t):
    n = int(input())   
    print(n * 2)       



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