Help me in solving CSTRMCQ2 problem

help
,
1

My issue

Can you explain the answer for this question?

My code

8262

Learning course: Strings using C
Problem Link: Multiple Choice Question Practice Problem in - CodeChef

2

@harishd07

Correct Answer:

For all i, either X[i] == Y[i], or at least one of X[i] and Y[i] should be '?'.
3

Okay