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uva11461Square Numbers
简单数论题。区间减法。 1 //Accepted 0 KB 9 ms 2 #include 3 #include 4 using namespace std; 5 const int MAXN = 100005; 6 int f[MAXN]; 7 void pre() 8 { 9 ...
分类:其他好文   时间:2014-05-26 02:54:57    阅读次数:278
ProjectEuler 006题
题目:The sum of the squares of the first ten natural numbers is,12 + 22 + ... + 102 = 385The square of the sum of the first ten natural numbers is,(1 + ...
分类:其他好文   时间:2014-05-26 02:15:16    阅读次数:216
ProjectEuler 005题
题目:2520 is the smallest number that can be divided by each of the numbers from 1 to 10 without any remainder.What is the smallest positive number that...
分类:其他好文   时间:2014-05-26 02:12:53    阅读次数:167
52. 不用+、-、×、÷做加法[add two numbers without arithmetic]
add two numbers without arithmetic
分类:其他好文   时间:2014-05-26 01:25:43    阅读次数:224
uva10780Again Prime? No Time.
质因数分解。 1 //Accepted 0 KB 12 ms 2 #include 3 #include 4 #include 5 const int MAXN = 100005; 6 const int inf = 100000000; 7 int pri[MAXN]; 8 in...
分类:其他好文   时间:2014-05-25 23:10:33    阅读次数:283
LeetCode:Add Two Numbers
You are given two linked lists representing two non-negative numbers. The digits are   stored in  reverse order and each of their nodes contain a single digit. Add the two numbers   and return i...
分类:其他好文   时间:2014-05-25 21:36:52    阅读次数:268
Prime Ring Problem
Prime Ring ProblemTime Limit : 4000/2000ms (Java/Other)Memory Limit : 65536/32768K (Java/Other)Total Submission(s) : 27Accepted Submission(s) : 10Font...
分类:其他好文   时间:2014-05-25 19:47:04    阅读次数:228
关于可图化序列的一点结论 NEU 1429
Graphic SequenceA graphic sequence is a sequence of numbers which can be thedegree sequenceof somegraph. A sequence can be checked to determine if it ...
分类:其他好文   时间:2014-05-25 19:18:00    阅读次数:331
poj1142Smith Numbers
筛素数,分解质因子 1 //Accepted 620 KB 15 ms 2 //wa1 MAXN 太小了一开始用的10005; 3 //wa2 没判断素数 4 //wa3 分解质因子用的小于n 5 #include 6 #include 7 const int MAXN = 1000...
分类:其他好文   时间:2014-05-25 14:52:12    阅读次数:168
动态规划,就是这样! CodeForces 433B - Kuriyama Mirai's Stones
Kuriyama Mirai has killed many monsters and got many (namely n) stones. She numbers the stones from 1 to n. The cost of the i-th stone is vi. Kuriyama Mirai wants to know something about these sto...
分类:其他好文   时间:2014-05-25 07:24:48    阅读次数:315
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