LCS with 3 Strings problem of DP section

#1

https://ide.codingblocks.com/s/219476.
Is my approach incorrect?
It’s failing only one test case

#2

@Naveen8377,
Your approach is incorrect, you are trying to find lcs of {lcs of a,b} and c. This is not correct always,
E.g,
sa=“abcde”
sb=“acebd”
sc=“bd”

Here lcs(sa,sb)=“ace”, lcs(lcs(sa,sb),sc)=""
But, lcs(sa,sb,sc)=“bd”

#3

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