LCS 3 string(Test case 0 giving WA)

My code is giving a wrong answer for test-case 0, even the geeks for geeks code is also giving WA for test-case 0. I have tried everything. I have used a 3D-dp, will the all the required comparisons. Please tell me why it 's not passing this test case?

Here is the link to my code: https://ide.codingblocks.com/s/245355

hello @dakshguptajune
ur code is correct.
there is some issue with the checker , it is showing wa in test 0 for all the solutions;

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