def find_Min_Swaps(arr,n) : 
    noOfZeroes = [0] * n 
    count = 0 
    noOfZeroes[n - 1] = 1 - arr[n - 1] 
    for i in range(n-2,-1,-1) : 
        noOfZeroes[i] = noOfZeroes[i + 1] 
        if (arr[i] == 0) : 
            noOfZeroes[i] = noOfZeroes[i] + 1
    for i in range(0,n) : 
        if (arr[i] == 1) : 
            count = count + noOfZeroes[i] 
    return count