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Game of Fifteen, one of the assignments in Problem Set 3

3 votes
2 answers
37k views

How to solve "control may reach end of non void function" error

When I try to compile my code, I get an error message that says "control may reach end of non void function." What does this message mean and how can I avoid this error? Here is the function that's c …
nivedita shrivastava's user avatar