D. Jeff and Furik time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Jeff has become friends with Furik. Now these two are going to play one quite amusing game. At the beginning of the game Je…
C. Jeff and Rounding time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Jeff got 2n real numbers a1, a2, ..., a2n as a birthday present. The boy hates non-integer numbers, so he decided to sli…
B. Jeff and Periods time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output One day Jeff got hold of an integer sequence a1, a2, ..., an of length n. The boy immediately decided to analyze the sequ…
D. Jeff and Furik time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Jeff has become friends with Furik. Now these two are going to play one quite amusing game. At the beginning of the game Je…