Solve Problems
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Team Up
ATTEMPTED BY: 174 SUCCESS RATE: 23% LEVEL: Medium
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Light Up the Bulbs
ATTEMPTED BY: 787 SUCCESS RATE: 88% LEVEL: Medium
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Lottery
ATTEMPTED BY: 190 SUCCESS RATE: 89% LEVEL: Hard
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A website
ATTEMPTED BY: 329 SUCCESS RATE: 89% LEVEL: Hard
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A fair competition
ATTEMPTED BY: 1410 SUCCESS RATE: 94% LEVEL: Medium
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Two types of queries
ATTEMPTED BY: 526 SUCCESS RATE: 37% LEVEL: Medium
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Tri-State-Area<May Cir 19>
ATTEMPTED BY: 123 SUCCESS RATE: 81% LEVEL: Hard
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Students and their arrangements <CAST>
ATTEMPTED BY: 607 SUCCESS RATE: 76% LEVEL: Medium
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Group Range
ATTEMPTED BY: 1461 SUCCESS RATE: 28% LEVEL: Medium
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Lexicographically minimal string
ATTEMPTED BY: 1361 SUCCESS RATE: 71% LEVEL: Medium