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Problems

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Difficulty
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10113
Tree Sum of leaves
10114
Tree Invert
10115
Tree Symmetric
10116
Almost shortest path
Easy
10117
Triangles (Bronze)
Very easy
10118
Mad Scientist
10119
Swapity Swap
Easy
10120
Swapity Swapity Swap
Easy
10121
Triangles (Silver)
Easy
10122
Clock Tree
Very easy
10123
Timeline
10124
Help Yourself
Very easy
10125
Delegation (Gold)
10126
Pairs
Very easy
10127
New Evaluation Rules
Very easy
10128
Marina Vitaliivna's Favorite Game
Medium
10129
Collectors' Bazaar in the City of Palaputra
Medium
10138
Squares
Easy
10139
Stepan's House
Medium
10140
Shower cabin
Very easy
10141
Interesting Sorting
Medium
10142
Power of time
10143
Throwing cards away
10145
Increasing sines
Very easy
10146
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