JOHNKING123的专栏

Count the Trees Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 1572    Accepted Submission(s): 1044 Problem Description Another co

Eddy’s digital Roots 问题描述 : The digital root of a positive integer is found by summing the digits of the integer. If the resulting value is a single digit then that digit is the digital ro