摘要： 吉哥系列故事——恨7不成妻Time Limit: 1000/500 MS (Java/Others)Memory Limit: 65535/32768 K (Java/Others)Total Submission(s): 746Accepted Submission(s): 227Problem Description 单身! 依然单身！ 吉哥依然单身！ DS级码农吉哥依然单身！ 所以，他生平最恨情人节，不管是214还是77，他都讨厌！ 吉哥观察了214和77这两个数，发现： 2+1+4=7 7+7=7*2 77=7*11 最终，他发现原来这一切归根到底都是因为和7有... 阅读全文

摘要： 题目链接：http://www.spoj.com/problems/BALNUM/这题要求出现的数字，偶数出现奇数次，奇数出现偶数次。用三进制表示0~9的状态//============================================================================// Name : SPOJ.cpp// Author : // Version :// Copyright : Your copyright notice// Description : Hello World in C++, Ansi-style... 阅读全文

摘要： Balanced NumberTime Limit:5 Seconds Memory Limit:65536 KBA balanced number is a non-negative integer that can be balanced if a pivot is placed at some digit. More specifically, imagine each digit as a box with weight indicated by the digit. When a pivot is placed at some digit of the number, the dis 阅读全文

摘要： B-numberTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1231Accepted Submission(s): 651Problem DescriptionA wqb-number, or B-number for short, is a non-negative integer whose decimal form contains the sub- string "13" and can be divided b 阅读全文

摘要： D. Beautiful numberstime limit per test4 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputVolodya is an odd boy and his taste is strange as well. It seems to him that a positive integer number isbeautifulif and only if it is divisible by each of its nonzero digits. We 阅读全文

摘要： XHXJ's LISTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 376Accepted Submission(s): 163Problem Description#define xhxj (Xin Hang senior sister(学姐))If you do not know xhxj, then carefully reading the entire description is very important.As the 阅读全文