Square Root (Integral)

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Problem statement

Given a number N, find its square root. You need to find and print only the integral part of square root of N.

For eg. if number given is 18, answer is 4.

Detailed explanation ( Input/output format, Notes, Images )
Input format : 
Integer N
Output Format : 
Square root of N (integer part only)
Constraints : 
0 <= N <= 10^8
Sample Input 1 :
10
Sample Output 1 :
3
Sample Input 2 :
4
Sample Output 2 :
2
Approaches (1)
Time Complexity
Space Complexity
Code Solution
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Square Root (Integral)
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