I have submitted 3-4 times the solution of von neuman loves binary problem but it still not marking it done

[Anku47 (Ankush Kumar)]

i have submitted 3-4 times the solution of von neuman loves binary problem but it still not marking it done and whenever i open my course it starts from this problem. how to remove this problem and mark it done?

[vatsal38 (vatsal agarwal)]

@Anku47
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