Algorithms Weekly by Petr Mitrichev

This week wasn't too heavy with open programming competitions, with just TopCoder SRM 595 early on Friday, in the famous "5am...

This week started with two competitions on Tuesday. The first was Codeforces Round 207: problems , results . I didn't take part, so...

Let me remind you of a problem I've mentioned last week : you are given three non-negative numbers up to 10^18: A, B and S. At each s...

At the end of last week, the Fourteenth Open Cup has started. The Open Cup format is similar to the tennis rankings or to the cross-country...

In my earlier post I've told you about a problem that almost guaranteed me a win in the Russian Code Cup. Here's how I solved it...

The past week didn't have any major competitions in the beginning, but it ended with one big contest on each of Friday, Saturday and Su...

A quite eventful week in competitive programming comes to an end. On Monday, the onsite round of Russian Code Cup took place. If you ha...