Q_06.java

package Big_O;

public class Q_06 {

	public static int sqrt(int n) {
	    for (int guess = 1; guess * guess <= n; guess++) {
	        if (guess * guess == n) {
	            return guess;
	        }
	    }
	    return -1;
	}
	
	public static void main(String[] args) {
		System.out.println(sqrt(26));
	}

}