Hackerrnak Common Child Solution

By Sidharth Patnaik -
This is the solution to the problem found in the algorithm domain. This solution is made using Python.

Screenshots


The Code
def cc(x,y):
    z=[[0 for j in range(len(y)+1)] for i in range(len(x)+1)]
    for i, a in enumerate(x):
        for j, b in enumerate(y):
            if a == b:
                z[i+1][j+1] = z[i][j] + 1
            else:
                z[i+1][j+1] = \
                    max(z[i+1][j], z[i][j+1])
    return z[-1][-1]

x = raw_input()
y = raw_input()
print cc(x,y)

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