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QRQ4
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Peter Refaat
QRQ4
Specialist
Egypt
Egypt
Joined Jan 20, 2026
OverviewRatingPosts
Rating
1515
Problems14
Submissions18
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2021
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2022
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2023
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2024
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2025
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2026
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QRQ4 has joined contest Blitz Round #226 дзён таму
QRQ4 has completed the contest Blitz Round #21 and scored no score1 месяц таму
QRQ4 solved problem The Efficient Steps (#12465) on 2 attempt1 месяц таму
QRQ4 has joined contest Blitz Round #211 месяц таму
QRQ4 has completed the contest Blitz Round #20 and scored 800 points2 месяцы таму
QRQ4 solved problem Bitwise Party (#12463) on first attempt2 месяцы таму
QRQ4 solved problem Not Very Powerful (#12464) on first attempt2 месяцы таму
QRQ4 solved problem Fe3b0onacci Pairs (#12462) on first attempt2 месяцы таму
QRQ4 solved problem Dream Permutation (#12461) on first attempt2 месяцы таму
QRQ4 solved problem Exciting Arrays (#12460) on first attempt2 месяцы таму
QRQ4 has joined contest Blitz Round #202 месяцы таму
QRQ4 has completed the contest Weekend Practice #23 and scored no score2 месяцы таму
QRQ4 has joined contest Weekend Practice #232 месяцы таму
QRQ4 has joined contest Weekend Practice #222 месяцы таму
QRQ4 solved problem Rufo's massive (#12430) on first attempt3 месяцы таму
QRQ4 solved problem Area (#12429) on 3 attempt3 месяцы таму
QRQ4 has joined contest Blitz Round #183 месяцы таму
QRQ4 solved problem Monkey and Apple-trees (#7488) on 10 attempt3 месяцы таму
QRQ4 solved problem Connectivity (#982) on first attempt4 месяцы таму
QRQ4 solved problem From adjacency matrix to adjacency list (#3981) on first attempt4 месяцы таму
QRQ4 has completed the contest Blitz Round #14 and scored no score4 месяцы таму
QRQ4 has joined contest Blitz Round #144 месяцы таму
QRQ4 solved problem Counting Pairs (#12313) on 3 attempt5 месяцаў таму
QRQ4 solved problem Digit Queries (#12312) on first attempt5 месяцаў таму
QRQ4 solved problem Bouncing Ball (#12311) on first attempt5 месяцаў таму