< Ace Coding /> 🚀

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def minNumberOfSwaps(arr):
    count_ones = arr.count(1)
    count_zeros, curr_zeros = float('inf'), 0
    l = 0
    
    for r in range(len(arr)):
        if arr[r] == 0:
            curr_zeros += 1
        # check for a valid window
        if r - l + 1 == count_ones:
            count_zeros = min(count_zeros, curr_zeros)
            if arr[l] == 0:
                curr_zeros -= 1
            l += 1

    return count_zeros if count_zeros != float('inf') else 0