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Leetcode 17 Letter Combinations of a Phone Number - DFS思想
Given a digit string, return all possible letter combinations that the number could represent.A mapping of digit to letters (just like on the telephon...
分类:其他好文   时间:2015-02-13 09:13:59    阅读次数:127
uva 10706 Number Sequence(找规律)
uva 10706 Number Sequence A single positive integer iis given. Write a program to find the digit located in the position iin the sequence of number groups S1S2…Sk. Each group Skconsists o...
分类:其他好文   时间:2015-02-12 09:22:27    阅读次数:156
hdu3709
枚举+数位dp注意处理数字为0和1的情况。#include #include using namespace std;#define D(x) const int MAX_DIGIT = 20;long long n;int f[MAX_DIGIT];long long memoize[MAX_DI...
分类:其他好文   时间:2015-02-11 18:00:35    阅读次数:167
leetcode[17]Letter Combinations of a Phone Number
Given a digit string, return all possible letter combinations that the number could represent.A mapping of digit to letters (just like on the telephon...
分类:其他好文   时间:2015-02-10 14:44:37    阅读次数:181
poj_3187_Backward Digit Sums
http://poj.org/problem?id=3187 /*总结:头文件#include , next_permutation(num,num+n)生成数组num的全排列, */ #include #include using namespace std; int fun(int *num,int n) { int num1[10];//不能直接使用num操作,涉及内存管理,需要用替...
分类:其他好文   时间:2015-02-10 11:18:36    阅读次数:234
寒假集训.Skew Binary
Skew Binary Time Limit:3000MS     Memory Limit:0KB     64bit IO Format:%lld & %llu Submit Status Practice UVA 575 Description When a number is expressed in decimal, the k-th digit ...
分类:其他好文   时间:2015-02-09 23:10:07    阅读次数:222
hdu3652
基本的数位dp,需要记录前面除以13的余数。#include #include using namespace std;#define D(x) xconst int MAX_DIGIT = 35;int n, m;int f[MAX_DIGIT];int memoize[MAX_DIGIT][2]...
分类:其他好文   时间:2015-02-09 15:48:14    阅读次数:134
leetcode[66]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:2015-02-09 15:25:20    阅读次数:107
hdu 1013 Digital Roots 用一个大水题来纪念我进入杭电前一万名
Problem Description 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 root. If the resulting value contains two or more digits, those digits are sum...
分类:其他好文   时间:2015-02-08 18:14:30    阅读次数:113
LeetCode 017 Letter Combinations of a Phone Number
题目描述:Letter Combinations of a Phone NumberGiven a digit string, return all possible letter combinations that the number could represent.A mapping of d...
分类:其他好文   时间:2015-02-07 17:07:13    阅读次数:191
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