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Biweekly Contest 186

Name: Biweekly Contest 186
Start: 2026-07-04T14:30:00.000Z
End: 2026-07-04T16:00:00.000Z

Open on LeetCode

Ended Sat, Jul 4, 4:00 PM (UTC)

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When it runs

Starts: Sat, Jul 4, 2:30 PM (UTC)
Ends: Sat, Jul 4, 4:00 PM (UTC)
Duration: 1h 30m

Biweekly Contest 186 is a Biweekly 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

Q1Unique Middle Element3 pts
Q2Maximum Valid Pair Sum4 pts
Q3Minimum Operations to Transform Binary String5 pts
Q4Count Distinct Ways to Form Target from Two Strings6 pts

Ranking & rating change

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