Oleg Kovalov
#42 of 2510

Oleg Kovalov

Skilled
cristaloleg Joined Dec 11, 2023 Last seen Aug 25, 2026
13'796.45 RP15'903.55 to Expert
Skilled
Expert
#42 of 2510
Rank
22
Challenges Solved
436
Total Submissions
Recent Solutions
DateChallengeLanguageStatusScore
Aug 25, 2026 18:02Sum of prime numbersCPPg++10.5.0Success245,455
Aug 25, 2026 17:55Sum of prime numbersCPPclang++20.1.2Success7,381,478
Jul 16, 2026 20:58Largest Square Submatrix of all 1'sGOgo1.26.2Success1,648,385
Jul 16, 2026 09:29Blue color from RGBGOgo1.26.2Success12,820
Jul 16, 2026 09:28Blue color from RGBAGOgo1.26.5Success9,345
Jul 16, 2026 08:33MD5GOgo1.26.5Success3,018
Jan 13, 2026 08:29MD5GOgo1.25.5Success3,177
Nov 4, 2025 08:04Cross-Margin Liquidation EngineGOgo1.25.3Success392,264
Nov 4, 2025 08:01Blue color from RGBAGOgo1.25.3Success9,351
Nov 4, 2025 07:59Blue color from RGBAGOgo1.25.3Success9,415
Certificates
Certificate 2023
17 place in the year 2023
Certificate 2024
27 place in the year 2024
Certificate 2025
26 place in the year 2025