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qqrnt
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no name rights until candidate master
qqrnt
Specialist
China
China
Joined Aug 9, 2026
Achievements (54)
Hello WorldEasy StartTough NutHardmodeBeyond the LimitBy a whiskerSea LionWeekend Participantx2ExplorerStudent
OverviewRatingAchievements
Rating
1413
Problems27
Submissions32
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qqrnt has joined contest USACO 2015 January16小时前
qqrnt has completed the contest Eolymp Test Round and scored no score1天前
qqrnt has joined contest Eolymp Test Round2天前
qqrnt solved problem Number of even elements in a two-dimensional array (#9572) on first attempt3天前
qqrnt solved problem Largest in each column (#9561) on first attempt3天前
qqrnt solved problem Rows with maximum sum (#9564) on 2 attempt3天前
qqrnt solved problem Diagonals (#4751) on first attempt3天前
qqrnt solved problem Rows with minimal elements (#9563) on first attempt3天前
qqrnt solved problem Sum of positives in a matrix (#8524) on first attempt3天前
qqrnt solved problem Subarray Sums I (#11721) on first attempt5天前
qqrnt solved problem Number of sentences (#912) on first attempt5天前
qqrnt solved problem The first element not greater than 2.5 (#907) on first attempt5天前
qqrnt solved problem Product of digits (#906) on first attempt5天前
qqrnt has completed the contest Weekend Practice #26 and scored 415 points8天前
qqrnt earned achievement Student8天前
qqrnt earned achievement Explorer8天前
qqrnt has joined contest KNU Student Olympiad 2026, 1 stage (Mirror) 8天前
qqrnt solved problem Maximum Sum (#12782) on 2 attempt8天前
qqrnt solved problem Minimum Substring Length (#12781) on first attempt8天前
qqrnt has joined contest Weekend Practice #268天前
qqrnt solved problem Fibonacci Fever (#12483) on first attempt16天前
qqrnt earned achievement Beyond the Limit16天前
qqrnt earned achievement Hardmode16天前
qqrnt solved problem Sum in field (#12318) on first attempt16天前
qqrnt solved problem Field modulo (#12317) on 2 attempt16天前