Print LCS doubt

#1


im not passing 1 test case i think my LCS fn is right. problem is in printing plz tell me the prblm

#2

updated made in the part where u were printing the LCS

#3

if im changing the while condn of ur code to pos>=0 it is totally like my code and its working fine but im not understanding why my code is not working https://ide.codingblocks.com/s/231459

#4

https://ide.codingblocks.com/s/231607 (this code is correct)
comments to where updates are made

for i/p
qwertyuioplmznchskalcmnbxghfjtklmnzxcbvnmjkanslpaoutrinvmakldkslqwertyuioplmznchskalcmnbxghfjtklmnzxcbvnmjkanslpaoutrinvmakldkslqwertyuioplmznchskalcmnbxghfjtklmnzxcbvnmjkanslpaoutrinvmakldkslqwertyuioplmznchskalcmnbxghfjtklmnzxcbvnmjkanslpao
lakdmshvndmxnvjrtyuiopqwertlakdmshvndmxnvjrtyuiopqwertdkslpensismfnvheksndertdkslpensismfnvheksndertdkslpensismfnvheksnd

ur o/p
lmshvnmnvrtyuioplmshvnmnvrtyuioplnsmnhknkslpinvkdksleismfnvkn
required
lakmvnmnvrtyuioplakmvnmnvrtyuioplnsmfnvksndksleimnhkntklmnvks

#5

in line why there is not a equal in if condn

#6

(dp[x-1][y] > dp[x][y-1])
we usually give more prefernce to the upper row hence we do x-- in case > sign

i dont think this would create a difference
but if it does then that could be thought of a convention

#7

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