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1090
Folding
Very easy
1091
Cow Sorting
Medium
1092
Left Mouse Button
Easy
1093
Exact Symmetry
Easy
1094
Bubble Sort
Medium
1095
Bone Sort
Medium
1096
A Very Simple Problem
Hard
1097
Nim
Very easy
1098
Queen move!
Very easy
1099
The talking Galcian
Easy
1100
Полезная площадь
Hard
1101
Numbering path
Very easy
1102
Sticks Problem
Easy
1103
Tour Counting
Very easy
1104
Dominos
Easy
1105
Hello, Pie!
Very easy
1106
Dancing Party
Very easy
1107
ACM Contest and Blackout
Easy
1108
Wormholes
1109
106 miles to Chicago
Very easy
1110
The Eagle
Very easy
1111
Ackermann Function
Easy
1112
Queen, Rook and Knight
Easy
1113
Castle
Very easy
1114
Character designs on fabric
Easy
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