Solve Problems
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Team Up
ATTEMPTED BY: 495 SUCCESS RATE: 29% LEVEL: Medium
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Light Up the Bulbs
ATTEMPTED BY: 1098 SUCCESS RATE: 87% LEVEL: Medium
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Lottery
ATTEMPTED BY: 268 SUCCESS RATE: 88% LEVEL: Hard
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A website
ATTEMPTED BY: 415 SUCCESS RATE: 90% LEVEL: Hard
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A fair competition
ATTEMPTED BY: 1524 SUCCESS RATE: 94% LEVEL: Medium
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Two types of queries
ATTEMPTED BY: 666 SUCCESS RATE: 43% LEVEL: Medium
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Tri-State-Area<May Cir 19>
ATTEMPTED BY: 179 SUCCESS RATE: 41% LEVEL: Hard
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Students and their arrangements <CAST>
ATTEMPTED BY: 672 SUCCESS RATE: 77% LEVEL: Medium
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Group Range
ATTEMPTED BY: 1540 SUCCESS RATE: 30% LEVEL: Medium
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Lexicographically minimal string
ATTEMPTED BY: 1592 SUCCESS RATE: 73% LEVEL: Medium