Given a non-negative integer num, repeatedly add all its digits until the result has only one digit. For example: Given num = 38, the process is like: ...
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其他好文 时间:
2017-10-24 20:53:00
阅读次数:
172
Given a non-negative integer num, repeatedly add all its digits until the result has only one digit. For example: Given num = 38, the process is like: ...
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其他好文 时间:
2017-10-20 21:38:54
阅读次数:
172
Given a digit string, return all possible letter combinations that the number could represent. A mapping of digit to letters (just like on the telepho ...
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其他好文 时间:
2017-10-17 17:25:31
阅读次数:
171
题目: 给出1个正整数,找到用与这个数字相同的digit组成的整数中比这个数字大的数集中的最小数字。比如:12352874 的结果是 12354278 分析: 这道题目的考虑目标是数组的查找与排序. 当然, 前提是你得明白这道题目的思路是什么样子的. 把正整数转化为char数组a, 长度为n, 末尾 ...
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编程语言 时间:
2017-10-15 17:34:03
阅读次数:
151
题目描述 FJ and his cows enjoy playing a mental game. They write down the numbers from 1 to N (1 <= N <= 10) in a certain order and then sum adjacent numb ...
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其他好文 时间:
2017-10-11 20:31:38
阅读次数:
203
P2953 [USACO09OPEN]牛的数字游戏Cow Digit Game 题目描述 Bessie is playing a number game against Farmer John, and she wants you to help her achieve victory. Game ...
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其他好文 时间:
2017-10-10 18:56:49
阅读次数:
179
Find the largest palindrome made from the product of two n-digit numbers. Since the result could be very large, you should return the largest palindro ...
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其他好文 时间:
2017-10-10 13:16:58
阅读次数:
132
问题描述: AC源码: 解题关键是,数据很大,不能强算,需要使用技巧,这里使用科学计算法,令N^N=a*10^n ,取对数后变为 N*log10(N)=log10(a)+n,令x = log10(a)+n 又 n = int(x) [取整,当然根据所给数据范围,为了避免溢出,这是使用的是long l ...
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编程语言 时间:
2017-10-07 17:38:34
阅读次数:
207
Given a time represented in the format "HH:MM", form the next closest time by reusing the current digits. There is no limit on how many times a digit ...
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其他好文 时间:
2017-10-03 13:33:01
阅读次数:
157
///@date 9/26/2017///@author Sycamore///@link http://acm.hdu.edu.cn/showproblem.php?pid=1061#includeusing namespace std;long long powermod(long long a... ...
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Web程序 时间:
2017-09-26 22:34:33
阅读次数:
147