CF453B CF454D Codeforces Round #259 (Div. 2) D Codeforces Round #259 (Div. 1) B D. Little Pony and Harmony Chest time limit per test 4 seconds memory limit per test 256 megabytes input standard input output standard output Princess Twilight went to C…
D. Little Pony and Harmony Chest Princess Twilight went to Celestia and Luna's old castle to research the chest from the Elements of Harmony. A sequence of positive integers bi is harmony if and only if for every two elements of the sequence their…
D. Little Pony and Harmony Chest time limit per test 4 seconds memory limit per test 256 megabytes input standard input output standard output Princess Twilight went to Celestia and Luna's old castle to research the chest from the Elements of Harmony…
D. Little Pony and Harmony Chest time limit per test 4 seconds memory limit per test 256 megabytes input standard input output standard output Princess Twilight went to Celestia and Luna's old castle to research the chest from the Elements of Harmony…