time limit per test2 seconds memory limit per test256 megabytes inputstandard input outputstandard output Do you know the story about the three musketeers? Anyway, you must help them now. Richelimakieu is a cardinal in the city of Bearis. He found th…
time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output People do many crazy things to stand out in a crowd. Some of them dance, some learn by heart rules of Russian language, some try to become a…
time limit per test4 seconds memory limit per test256 megabytes inputstandard input outputstandard output All our characters have hobbies. The same is true for Fedor. He enjoys shopping in the neighboring supermarket. The goods in the supermarket hav…
time limit per test2 seconds memory limit per test256 megabytes inputstandard input outputstandard output Petr wants to make a calendar for current month. For this purpose he draws a table in which columns correspond to weeks (a week is seven consequ…
time limit per test3 seconds memory limit per test256 megabytes inputstandard input outputstandard output A string t is called nice if a string "2017" occurs in t as a subsequence but a string "2016" doesn't occur in t as a subsequence…
time limit per test2 seconds memory limit per test256 megabytes inputstandard input outputstandard output Student Vladislav came to his programming exam completely unprepared as usual. He got a question about some strange algorithm on a graph - somet…
time limit per test2 seconds memory limit per test256 megabytes inputstandard input outputstandard output Due to the increase in the number of students of Berland State University it was decided to equip a new computer room. You were given the task o…