Groupon interview question
1) Implement sqrt function without using any math lib 2) Find the non-repeat number in an array
Interview Answer
Anonymous
5 Aug 2016
private static Double findSquareRoot(int i) { double t; double squareRoot =i/2; do{ t= squareRoot; squareRoot = (squareRoot+i/squareRoot)/2; }while(squareRoot -t !=0); return squareRoot; }