Solve Problems
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Cloudy Days
ATTEMPTED BY: 714 SUCCESS RATE: 66% LEVEL: Easy
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Station Pairs
ATTEMPTED BY: 208 SUCCESS RATE: 38% LEVEL: Hard
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Reach Quickly
ATTEMPTED BY: 94 SUCCESS RATE: 39% LEVEL: Hard
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Vaccine
ATTEMPTED BY: 199 SUCCESS RATE: 87% LEVEL: Hard
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Flip Grid
ATTEMPTED BY: 130 SUCCESS RATE: 73% LEVEL: Medium
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Two gold mines
ATTEMPTED BY: 514 SUCCESS RATE: 88% LEVEL: Medium
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Tree construction
ATTEMPTED BY: 230 SUCCESS RATE: 78% LEVEL: Medium
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Handshakes in a party
ATTEMPTED BY: 192 SUCCESS RATE: 64% LEVEL: Medium
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The smallest subsequence
ATTEMPTED BY: 315 SUCCESS RATE: 63% LEVEL: Hard
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Meet people
ATTEMPTED BY: 236 SUCCESS RATE: 39% LEVEL: Hard
