Algorithms Weekly by Petr Mitrichev

AtCoder World Tour Finals 2026 in Japan was the main event of this week ( problems , results , top 13 on the left, commentary recording , an...

Long time no hear! I wanted to mention three contests with onsite rounds happening soon. First off, Wincent DragonByte 2026 qualification r...

Codeforces is running Blitz Cup 2026 , and my Round of 32 match against feecIe6418 starts in about 1 hour! You can watch my livestream  or  ...

ICPC EUC 2026 starts in about two hours ( 9:30 Warsaw time , photo on the left from the official gallery ). Here are some useful links: Offi...

The Dec 22 - Dec 29 week wrapped up the competitive 2025 on the major platforms. The 4th Universal Cup. Stage 10: Grand Prix of Wrocław took...

Yesterday I have arrived in Warsaw, which will host ICPC EUC 2026 this Sunday. As you can see on the left, Warsaw in Feburary (much like Wi...

Codeforces Global Round 31 last Friday wrapped up the 2025 Global Round series ( problems , results , top 5 on the left, analysis , serie st...