I've been wondering for soo long about this. Some people get -ve delta after skipped contest while some get " — " (unrated) shown in their contests list. Why is that so ?
Thanks!
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There are 2 kinds of skipped verdicts on codeforces. 1) Matching solutions with others. They are considered cheaters and get unrated. 2) If someone re-submitted accepted solutions in Div.1 or Div. 2, the first one got skipped. They may have got +ve or -ve delta. These persons also got skipped submissions not skipped contests.