Solve Problems
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Cloudy Days
ATTEMPTED BY: 813 SUCCESS RATE: 67% LEVEL: Easy
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Station Pairs
ATTEMPTED BY: 232 SUCCESS RATE: 39% LEVEL: Hard
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Reach Quickly
ATTEMPTED BY: 111 SUCCESS RATE: 41% LEVEL: Hard
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Vaccine
ATTEMPTED BY: 216 SUCCESS RATE: 89% LEVEL: Hard
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Flip Grid
ATTEMPTED BY: 141 SUCCESS RATE: 73% LEVEL: Medium
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Two gold mines
ATTEMPTED BY: 537 SUCCESS RATE: 88% LEVEL: Medium
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Tree construction
ATTEMPTED BY: 239 SUCCESS RATE: 79% LEVEL: Medium
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Handshakes in a party
ATTEMPTED BY: 208 SUCCESS RATE: 65% LEVEL: Medium
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The smallest subsequence
ATTEMPTED BY: 324 SUCCESS RATE: 63% LEVEL: Hard
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Meet people
ATTEMPTED BY: 248 SUCCESS RATE: 40% LEVEL: Hard
