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10821
LIS of Pairs
Very hard
10822
Patriotic Painting 1
10823
Patriotic Painting 2
10824
If You Are Homeless... Just Build a House
Very hard
10825
Another ICPC String Problem
Very hard
10826
Vovochka
Very hard
10827
Typical ICPC Problem
10828
ICPC and Typos
Very easy
10836
Summer
Easy
10837
Pebble
Hard
10838
Logic
Medium
10839
Set
Hard
10840
Volunteering
Medium
10866
Ternary search in array
Very easy
10867
Maximum in Unimodal Sequence
10868
Number of elements in unimodal sequence
Easy
10869
Building Construction
Medium
10880
Archeologists
Hard
10881
Reverse Game
Easy
10882
3-colorings
Medium
10883
Disk Sort
Very easy
10884
Divisible by 3
Very easy
10885
Fence Job
10886
Simple Hull
10887
AND = OR
Easy
1
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