I don't understand why am I out of competition from Round 417 div 2? My submissions say "skipped" and it tells me that I am out of competition, Why?
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WorldQuant Round 1 (Codeforces Round 1128, Div. 1 + Div. 2)
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WorldQuant Round 1 (Codeforces Round 1128, Div. 1 + Div. 2)
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Your code matched with someone else giving contest !!!
meaning?
Sorry, but it means you cheated.
ohh. I did?
Or did you use ideone (story)?
How do they detect if someone is using ideone ?
Using ideone is not the problem here. The problem is, if your code is public in ideone, someone might copy that solution without notice. Read the blog I linked above for better understanding.