摘要:
You are given two n×mn×m matrices containing integers. A sequence of integers is strictly increasing if each next number is greater than the previous 阅读全文
摘要:
You are given two strings ss and tt, both consisting of exactly kk lowercase Latin letters, ss is lexicographically less than tt. Let's consider list 阅读全文
摘要:
During a break in the buffet of the scientific lyceum of the Kingdom of Kremland, there was formed a queue of nn high school students numbered from 11 阅读全文