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Problems

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Difficulty
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987
Nails
Very easy
988
Subsequence
Very easy
989
Ladders
Very easy
990
12345
991
Template and word
Easy
992
Cities and roads
993
Traffic lights
994
Coloured rain
995
Irony
Very easy
996
Path
Very easy
997
One knight
Very easy
998
Sign
Very easy
999
Two Horses
Very easy
1000
a + b Problem
Very easy
1001
A + B in the binary system
Easy
1002
Fraction
Medium
1003
Nikifor 2
Easy
1004
Забавная игра
Very easy
1005
Matches for children are not toys!
Very easy
1006
Simple arithmetic
Very easy
1007
The Stern-Brocot Number System
1008
Number systems
Easy
1009
2D-Nim
1010
The equality
Easy
1011
Nim
Easy
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