HARD_UNDERSTAND

题目：http://poj.org/problem?id=1131 题意： 给出一个0-1之间的八进制小数，要求转换成10进制小数。 分析： 因为There is no limit on k，所以要用高精度了。import java.io.*; import java.math.*; import java.util.*; public class Main{ static publ

Description In how many ways can you tile a 2xn rectangle by 2x1 or 2x2 tiles? Here is a sample tiling of a 2x17 rectangle. Input Input is a sequence of lines, each line containing an int

??: ?K( 4 <= K <= 10^100 )???????,L( 2 <= L <= 10^6)?????????????,??????????L,??GOOD,???????????? ??: ???,??L?????,?????K??????K??,????????????Java??????import java.io.BufferedInputStream; import ja