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# Calculate square of a number

Difficulty: EASY
Contributed By
Avg. time to solve
15 min
Success Rate
85%

Problem Statement

#### Given an integer ‘N’, you are supposed to return the square of the given integer without using multiplication (*), division (/) or power function (pow()).

##### Input format:
``````The first line contains a single integer ‘T’ denoting the number of test cases.

Each test case contains a single line with a single integer ‘N’ denoting the given number.
``````
##### Output format:
``````For each test case, print the square of the given number in a separate line.
``````
##### Note:
``````You do not need to print anything; it has already been taken care of.
``````
##### Constraints:
``````1 <= T <= 50
-10000 <= N <= 10000

Time Limit: 1 sec.
``````
##### Sample Input 1:
``````2
3
-4
``````
##### Sample Output 1:
``````9
16
``````
##### Explanation to Sample Input 1:
``````In the first test case, the square of 3 is 9.

In the second test case, the square of -4 is 16.
``````
##### Sample Input 2:
``````2
-13
1
``````
##### Sample Output 2:
``````169
1
``````
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