标题: 2010年Puzzleup数学竞赛−第12题: Binary System [打印本页] 作者: castelu 时间: 2010-10-24 02:35 标题: 2010年Puzzleup数学竞赛−第12题: Binary System
Binary System
How many digits are needed to write down all the numbers from 0 to 9999 in binary system?
If the same question was asked for numbers from 0 to 5, the answerwould be 12 (0, 1, 10, 11, 100, 101 --> a total of 12 digits).作者: zyzme 时间: 2010-10-24 09:27
二进制