problem no 24: square root of the number.

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 QUESTION:

Square root of a number

Given an integer x, find the square root of x. If x is not a perfect square, then return floor(√x).

 

Example 1:

Input:
x = 5
Output: 2
Explanation: Since, 5 is not a perfect 
square, floor of square_root of 5 is 2.

Example 2:

Input:
x = 4
Output: 2
Explanation: Since, 4 is a perfect 
square, so its square root is 2.
 
ANSWER:
 
long long int floorSqrt(long long int x) 
{
    // Your code goes here   
    long long int a;
    a=sqrt(x);
    return a;
}

 

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