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LeetCode "Plus One"
The trick is, we can work on a reversed vector - learnt from EPI.class Solution {public: vector plusOne(vector &digits) { std::reverse(digit...
分类:其他好文   时间:2014-07-22 00:33:36    阅读次数:223
【leetcode刷题笔记】Plus One
Given a non-negative number represented as an array of digits, plus one to the number.The digits are stored such that the most significant digit is at...
分类:其他好文   时间:2014-07-21 10:00:12    阅读次数:185
LeetCode:Plus One
Given a non-negative number represented as an array of digits, plus one to the number.The digits are stored such that the most significant digit is at...
分类:其他好文   时间:2014-07-21 09:14:10    阅读次数:168
URAL 1877 Bicycle Codes
1877. Bicycle CodesTime limit: 0.5 secondMemory limit: 64 MBDen has two four-digit combination locks for protecting his bicycle from thieves. Every ev...
分类:其他好文   时间:2014-07-19 15:02:20    阅读次数:313
HDU 1597 find the nth digit
数学题。...
分类:其他好文   时间:2014-07-19 11:36:44    阅读次数:170
JavaScript加减计算方法和显示千分位
Math.formatFloat = function (f, digit) { var m = Math.pow(10, digit); return parseInt(f * m, 10) / m; };使用:var fe...
分类:编程语言   时间:2014-07-17 00:12:05    阅读次数:302
[leetcode]Letter Combinations of a Phone Number
Letter Combinations of a Phone NumberGiven a digit string, return all possible letter combinations that the number could represent.A mapping of digit ...
分类:其他好文   时间:2014-07-16 17:54:24    阅读次数:222
LeetCode Count and Say
class Solution {public: string countAndSay(int n) { vector num; num2digit(1, num); vector tmp; for (int i = 1; i &digit...
分类:其他好文   时间:2014-07-16 17:02:13    阅读次数:144
杭电 1163 Eddy's digital Roots
Eddy's digital Roots Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 4275    Accepted Submission(s): 2404 Problem Description The digit...
分类:其他好文   时间:2014-07-14 20:30:11    阅读次数:194
UVa 10162 - Last Digit
题目:已知S = Σ(i^i)其中(1 分析:数论,找规律。设 i = 10*a+b 则 i^i = (10*a+b)^(10*a+b),有:             记f(i)=(i^i)% 10 =  (10*a+b)^(10*a+b)% 10 = b ^(10*a+b) {  二项式定理  }             利用f(i)找规律:             f(10*k+0)...
分类:其他好文   时间:2014-07-14 17:00:43    阅读次数:557
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