Solve Problems
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Team Up
ATTEMPTED BY: 198 SUCCESS RATE: 24% LEVEL: Medium
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Light Up the Bulbs
ATTEMPTED BY: 805 SUCCESS RATE: 88% LEVEL: Medium
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Lottery
ATTEMPTED BY: 212 SUCCESS RATE: 88% LEVEL: Hard
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A website
ATTEMPTED BY: 352 SUCCESS RATE: 90% LEVEL: Hard
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A fair competition
ATTEMPTED BY: 1422 SUCCESS RATE: 94% LEVEL: Medium
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Two types of queries
ATTEMPTED BY: 540 SUCCESS RATE: 38% LEVEL: Medium
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Tri-State-Area<May Cir 19>
ATTEMPTED BY: 141 SUCCESS RATE: 81% LEVEL: Hard
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Students and their arrangements <CAST>
ATTEMPTED BY: 617 SUCCESS RATE: 76% LEVEL: Medium
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Group Range
ATTEMPTED BY: 1473 SUCCESS RATE: 28% LEVEL: Medium
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Lexicographically minimal string
ATTEMPTED BY: 1388 SUCCESS RATE: 72% LEVEL: Medium