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Problem ID
Title
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Pass Rate
4424
PolandBall and Forest
cf755C
1300
dfs
and
similar
dsu
graphs
interactive
trees
18
32
56.2%
5159
Pie or die
55c
1900
games
3
3
100.0%
5178
Case of Chocolate
555c
data
structures
*2200
0
0
0.0%
1