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qrn
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Nureddin Qarayev
qrn
Expert
Azerbaijan
Azerbaijan
Joined Oct 19, 2021
Achievements (4)
Problem Solver 4Problem Solver 3Problem Solver 2Problem Solver
OverviewRatingAchievementsPosts

Rating
1542
Problems1252
Submissions2245

Rating evolution

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2026
qrn has completed the contest Blitz Round #10 and scored 275 points24 days ago
qrn solved problem Counting Pairs (#12313) on first attempt24 days ago
qrn solved problem Digit Queries (#12312) on first attempt24 days ago
qrn solved problem Bouncing Ball (#12311) on first attempt24 days ago
qrn has joined contest Blitz Round #1024 days ago
qrn has completed the contest Weekend Practice #16 and scored no score1 month ago
qrn has joined contest Weekend Practice #161 month ago
qrn has completed the contest Blitz Round #9 and scored 425 points1 month ago
qrn solved problem Hard Game (#12292) on 3 attempt1 month ago
qrn solved problem Good array (#12291) on 3 attempt1 month ago
qrn solved problem Akbar teacher (#12290) on first attempt1 month ago
qrn has joined contest Blitz Round #91 month ago
qrn solved problem A Simple Task (#7414) on 2 attempt3 months ago
qrn solved problem Palindrome Partitioning (#11245) on first attempt3 months ago
qrn has joined contest Educational Round #43 months ago
qrn has completed the contest Blitz Round #5 and scored 50 points3 months ago
qrn solved problem Collatz Beauty (#12259) on first attempt3 months ago
qrn has joined contest Blitz Round #53 months ago
qrn solved problem Mega Inversions (#6021) on first attempt10 months ago
qrn solved problem Three sequences (#1765) on first attempt10 months ago
qrn solved problem The longest divisible subsequence (#264) on 8 attempt10 months ago
qrn solved problem Empire (#1910) on 3 attempt11 months ago
qrn solved problem Dominoes (#1104) on first attempt11 months ago
qrn solved problem Fire safety (#1937) on first attempt11 months ago
qrn solved problem Condensation of the graph (#1947) on 3 attempt11 months ago