摘要:
Friends and Presents CodeForces - 483B You have two friends. You want to present each of them several positive integers. You want to present cnt1 numb 阅读全文
摘要:
Mischievous Mess Makers CodeForces - 645B It is a balmy spring afternoon, and Farmer John's n cows are ruminating about link-cut cacti in their stalls 阅读全文
摘要:
Riding in a Lift CodeForces - 479E Imagine that you are in a building that has exactly n floors. You can move between the floors in a lift. Let's numb 阅读全文
摘要:
Hard Process CodeForces - 660C You are given an array a with n elements. Each element of a is either 0 or 1. Let's denote the length of the longest su 阅读全文
摘要:
DZY Loves Physics CodeForces - 444A DZY loves Physics, and he enjoys calculating density. Almost everything has density, even a graph. We define the d 阅读全文