摘要： DescriptionA single positive integer i is given. Write a program to find the digit located in the position i in the sequence of number groups S1S2...Sk. Each group Sk consists of a sequence of positive integer numbers ranging from 1 to k, written one after another.For example, the first 80 digits of 阅读全文

摘要： Problem Description Some brave warriors come to a lost village. They are very lucky and find a lot of treasures and a big treasure chest, but with angry zombies. The warriors are so brave that they decide to defeat the zombies and then bring all the treasures back. A brutal long-drawn-out battle la. 阅读全文