Solve Problems
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Random subsets on a tree
ATTEMPTED BY: 290 SUCCESS RATE: 68% LEVEL: Hard
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Petr solves CLRS
ATTEMPTED BY: 126 SUCCESS RATE: 75% LEVEL: Hard
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One and only flow
ATTEMPTED BY: 348 SUCCESS RATE: 90% LEVEL: Medium
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Connecting the special nodes
ATTEMPTED BY: 341 SUCCESS RATE: 82% LEVEL: Hard
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Weak nodes
ATTEMPTED BY: 222 SUCCESS RATE: 48% LEVEL: Medium
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Restoring trees
ATTEMPTED BY: 1143 SUCCESS RATE: 88% LEVEL: Medium
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Shelters and Tunnels
ATTEMPTED BY: 399 SUCCESS RATE: 88% LEVEL: Medium
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Colorful Tree
ATTEMPTED BY: 92 SUCCESS RATE: 86% LEVEL: Hard
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Sum of shortest paths
ATTEMPTED BY: 96 SUCCESS RATE: 58% LEVEL: Hard
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Reduction Game
ATTEMPTED BY: 225 SUCCESS RATE: 35% LEVEL: Medium
