Solve Problems
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Team Up
ATTEMPTED BY: 224 SUCCESS RATE: 25% LEVEL: Medium
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Light Up the Bulbs
ATTEMPTED BY: 831 SUCCESS RATE: 88% LEVEL: Medium
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Lottery
ATTEMPTED BY: 223 SUCCESS RATE: 88% LEVEL: Hard
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A website
ATTEMPTED BY: 364 SUCCESS RATE: 90% LEVEL: Hard
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A fair competition
ATTEMPTED BY: 1442 SUCCESS RATE: 94% LEVEL: Medium
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Two types of queries
ATTEMPTED BY: 554 SUCCESS RATE: 38% LEVEL: Medium
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Tri-State-Area<May Cir 19>
ATTEMPTED BY: 150 SUCCESS RATE: 38% LEVEL: Hard
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Students and their arrangements <CAST>
ATTEMPTED BY: 625 SUCCESS RATE: 76% LEVEL: Medium
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Group Range
ATTEMPTED BY: 1482 SUCCESS RATE: 28% LEVEL: Medium
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Lexicographically minimal string
ATTEMPTED BY: 1421 SUCCESS RATE: 72% LEVEL: Medium