z-trenning z-tickets. mipt lucky tickets. Count of numbers with 2*n digits in base k such that sum of first n digits is same as second n digits.

MIPT El Judge的解题表格 包含大量的思路说明和部分代码 能帮助OIer和ACMer学习-MIPT El Judge of the problem-solving form that contains a large number of ideas and some code to help OIer and learning ACMer

MIPT El Judge的解题表格 包含大量的思路说明和部分代码 能帮助OIer和ACMer学习()