Solve Problems
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Random subsets on a tree
ATTEMPTED BY: 304 SUCCESS RATE: 56% LEVEL: Hard
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Petr solves CLRS
ATTEMPTED BY: 138 SUCCESS RATE: 75% LEVEL: Hard
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One and only flow
ATTEMPTED BY: 359 SUCCESS RATE: 77% LEVEL: Medium
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Connecting the special nodes
ATTEMPTED BY: 368 SUCCESS RATE: 81% LEVEL: Hard
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Weak nodes
ATTEMPTED BY: 235 SUCCESS RATE: 47% LEVEL: Medium
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Restoring trees
ATTEMPTED BY: 1156 SUCCESS RATE: 88% LEVEL: Medium
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Shelters and Tunnels
ATTEMPTED BY: 413 SUCCESS RATE: 87% LEVEL: Medium
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Colorful Tree
ATTEMPTED BY: 107 SUCCESS RATE: 47% 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: 236 SUCCESS RATE: 36% LEVEL: Medium
