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Weekly Contest 519

Name: Weekly Contest 519
Start: 2026-09-13T02:30:00.000Z
End: 2026-09-13T04:00:00.000Z

Open on LeetCode

Ended Sun, Sep 13, 4:00 AM (UTC)

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When it runs

Starts: Sun, Sep 13, 2:30 AM (UTC)
Ends: Sun, Sep 13, 4:00 AM (UTC)
Duration: 1h 30m

Weekly Contest 519 is a Weekly contest on LeetCode, running for 1h 30m. Times above are shown in your local timezone. Bookmark it on the contests feed to get an email reminder 24 hours and 1 hour before it starts.

Questions

4 problems

Q1Cyclically Shift Rows and Columns3 pts
Q2Minimum Operations to Make Every Element Palindromic5 pts
Q3Count Shadow Pairs I5 pts
Q4Count Shadow Pairs II6 pts

Ranking & rating change

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