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  1. Prepare
  2. Algorithms
  3. Implementation
  4. Utopian Tree
  5. Discussions

Utopian Tree

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2026 Discussions

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  • eder_santander_1
     + 0 comments
    int utopianTree(int n) {
    if (n==0) return 1;
    if (n%2 == 0) return 1 + utopianTree(n-1);
    if (n%2 != 0) return 2 * utopianTree(n-1);
    return utopianTree(n-1);
}

  • ivan_romero_dev1
     + 0 comments
    public static int utopianTree(int n) {
        int exponent = (n >> 1) + 1;
        int height = (1 << exponent) - 1;
        if((n & 1) == 0)
            return height;
        return height * 2;
    }

  • yashdeora98294
     + 0 comments

    Here is Hackerrank Utopian Tree solution in Python, java, c++, c and javascript - https://programmingoneonone.com/hackerrank-utopian-tree-problem-solution.html

  • wifivop476
     + 0 comments

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  • anarod_val25
     + 0 comments
    int utopianTree(int n) {
    if (n % 2 == 0) {
        return pow(2, n/2 + 1) - 1;
    } else {
        return pow(2, (n+3)/2) - 2;
    }
}