catTom的博客

Each New Year Timofey and his friends cut down a tree of n vertices and bring it home. After that they paint all the n its vertices, so that the i-th vertex gets color ci. Now it's time for Timof

D. Timofey and rectangles time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output One of Timofey's birthday present

B. The Meeting Place Cannot Be Changed time limit per test 5 seconds memory limit per test 256 megabytes input standard input output standard output The main road in Byt

C. Andryusha and Colored Balloons time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Andryusha goes through a

D. Credit Card time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Recenlty Luba got a credit card and started

D. Shovel Sale time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output There are n shovels in Polycarp's shop. The i