Solve Problems
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Cloudy Days
ATTEMPTED BY: 393 SUCCESS RATE: 67% LEVEL: Easy
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Station Pairs
ATTEMPTED BY: 161 SUCCESS RATE: 36% LEVEL: Hard
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Reach Quickly
ATTEMPTED BY: 67 SUCCESS RATE: 37% LEVEL: Hard
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Vaccine
ATTEMPTED BY: 139 SUCCESS RATE: 90% LEVEL: Hard
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Flip Grid
ATTEMPTED BY: 93 SUCCESS RATE: 74% LEVEL: Medium
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Two gold mines
ATTEMPTED BY: 450 SUCCESS RATE: 88% LEVEL: Medium
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Tree construction
ATTEMPTED BY: 212 SUCCESS RATE: 79% LEVEL: Medium
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Handshakes in a party
ATTEMPTED BY: 170 SUCCESS RATE: 62% LEVEL: Medium
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The smallest subsequence
ATTEMPTED BY: 284 SUCCESS RATE: 63% LEVEL: Hard
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Meet people
ATTEMPTED BY: 206 SUCCESS RATE: 40% LEVEL: Hard
