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count the number of subset with a given difference

YOU.com answered on September 12, 2023 Popularity 7/10 Helpfulness 1/10

answer count the number of subset with a given difference

count the number of subset with a given difference

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def countSubsets(nums, diff):
    totalSum = sum(nums)
    targetSum = (totalSum + diff) // 2

    n = len(nums)
    dp = [[0] * (targetSum + 1) for _ in range(n + 1)]
    dp[0][0] = 1

    for i in range(1, n + 1):
        for j in range(targetSum + 1):
            dp[i][j] = dp[i - 1][j]
            if j >= nums[i - 1]:
                dp[i][j] += dp[i - 1][j - nums[i - 1]]

    return dp[n][targetSum]

# Example usage
nums = [1, 1, 2, 3]
diff = 1
print(countSubsets(nums, diff))  # Output: 3

Popularity 7/10 Helpfulness 1/10 Language python

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Contributed on Sep 12 2023

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count the number of subset with a given difference

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