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1958
Divided it?
Easy
1961
Forest dwellers
Easy
1963
Theater
Very easy
1965
Line
Very easy
1966
A big plus
1968
Balls
Easy
1970
Дэвид Коперфилд отдыхает
Very easy
1974
День Спонтанного Проявления Доброты
Very easy
1983
Ricefield
Very easy
1987
The Next Permutation
2011
Мутация
Medium
2014
Lucky Number
Very easy
2036
Age
Very easy
2042
Monthly and quarterly
2043
Quarter
2044
Month
2046
y =| cos(2x)|
Medium
2047
Almost Union-Find
Very easy
2048
Broken Keyboard (a.k.a. Beiju Text)
Very easy
2049
Cake Cutting
Very hard
2051
Easy Problem from Rujia Liu?
2052
Fast Matrix Operations
Very easy
2061
Young Programmers
Easy
2063
Vasya`s arithmetic
Easy
2064
Vasya`s arithmetic 2
Easy
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