89. Gray Code - LeetCode Solution | C++ | Go | Kotlin | Java | JS | TS | Python

Explore the Gray Code problem on LeetCode with comprehensive solutions and explanations in various programming languages. Perfect for coding enthusiasts!

class Solution {
public:
    vector<int> grayCode(int n) {
        vector<int>ans;
        for(int i = 0; i<pow(2,n); i++){
            ans.push_back(i ^ (i>>1));
        }
        return ans;
    }
};

func grayCode(n int) []int {
    // type length capacity
	res := make([]int, 0, (1<<n))
    
	for i := 0; i < (1 << n); i++ {
		res = append(res, i^(i>>1))
	}

	return res
}

class Solution {
    fun grayCode(n: Int): List<Int> {
        var res = mutableListOf<Int>()
// kotlin do not have << or >> or ^
        for (i in 0 until (1 shl n)) {
            res.add(i xor (i shr 1));
        }
        return res;
    }
}

class Solution {
    public List<Integer> grayCode(int n) {
        List<Integer> res = new ArrayList<>();
        int size = (1<<n);
        for(int i = 0; i<size; i++){
            res.add(i ^ (i >> 1));
        }
        return res;
    }
}

/**
 * @param {number} n
 * @return {number[]}
 */
var grayCode = function(n) {
    let res = [];

    for(let i = 0; i<(1<<n); i++){
        res.push(i^(i>>1));
    }
    return res;
};

function grayCode(n: number): number[] {
    let res : number[] = [];

    for(let i = 0; i<(1<<n); i++){
        res.push(i^(i>>1));
    }
    return res;
};

class Solution:
    def grayCode(self, n: int) -> List[int]:
      return [i^(i>>1) for i in range(2**n)]

Tagsleetcodemediumc++dsamath

Raunit Verma

Technical Writer at CodingKaro

Share this on