time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Mad scientist Mike has just finished constructing a new device to

B. Fixed Points time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output A permutation of length n is an integer seq

Greg has a weighed directed graph, consisting of n vertices. In this graph any pair of distinct vertices has an edge between them in both directions. Greg loves playing with the graph and now he has

Eugeny loves listening to music. He has n songs in his play list. We know that song number i has the duration of ti minutes. Eugeny listens to each song, perhaps more than once. He listens to song

C. Beautiful IP Addresses time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output The problem uses a simplified TCP