LeetCode 292: Nim Game Solution

Master LeetCode problem 292 (Nim Game), a easy challenge, with our optimized solutions in Java, C++, and Python. Explore detailed explanations, test your code in our interactive editor, and prepare for coding interviews.

292. Nim Game

Easy

Math Brainteaser Game Theory

Problem Explanation

Explanation:

The key to solving this problem is to understand the winning strategy for both players. By observing the game for different values of n, we can notice a pattern. If the number of stones in the heap is a multiple of 4, then the first player will lose; otherwise, the first player can always win by leaving a multiple of 4 stones for the second player. :

Solution Code

class Solution {
    public boolean canWinNim(int n) {
        return n % 4 != 0;
    }
}

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