Decrease & Conquer Fake Coin Problem Fake coin problem is an interesting problem in which we have to find a fake coin out of a number of coins, which is assumed to be lighter than the real coins using just a balance scale, which can be used to compare the weights of two piles of coins.

Decrease & Conquer Decrease and Conquer In this article, we will discuss about the technique Decrease and Conquer which is similar to Divide and Conquer. Decrease and Conquer can be used to solve several important problems such as Fake Coin Problem, Generating Subsets and much more.