Getting memory limit exceeded on Problem E: Number of Simple Paths (Codeforces Round 686: Div3)

Revision en1, by Problems_AB, 2020-12-14 20:12:09

Hi All, I'm getting memory limit exceeded on test 2, when I'm submitting the code. I'm not able to find out the reason. I would be really grateful to you all if someone could help me and tell me why I'm getting memory limit exceeded. TIA Here is my submission: 101191361

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