Solve Problems
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Team Up
ATTEMPTED BY: 97 SUCCESS RATE: 24% LEVEL: Medium
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Light Up the Bulbs
ATTEMPTED BY: 677 SUCCESS RATE: 51% LEVEL: Medium
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Lottery
ATTEMPTED BY: 164 SUCCESS RATE: 90% LEVEL: Hard
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A website
ATTEMPTED BY: 300 SUCCESS RATE: 90% LEVEL: Hard
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A fair competition
ATTEMPTED BY: 1341 SUCCESS RATE: 94% LEVEL: Medium
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Two types of queries
ATTEMPTED BY: 486 SUCCESS RATE: 36% LEVEL: Medium
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Tri-State-Area<May Cir 19>
ATTEMPTED BY: 106 SUCCESS RATE: 79% LEVEL: Hard
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Students and their arrangements <CAST>
ATTEMPTED BY: 549 SUCCESS RATE: 75% LEVEL: Medium
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Group Range
ATTEMPTED BY: 1389 SUCCESS RATE: 26% LEVEL: Medium
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Lexicographically minimal string
ATTEMPTED BY: 1192 SUCCESS RATE: 71% LEVEL: Medium