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Codeforces Round #267 (Div. 2) A
Codeforces Round #267 (Div. 2) A...
分类:其他好文   时间:2014-09-19 10:16:05    阅读次数:233
Codeforces Round #267 (Div. 2) B
Codeforces Round #267 (Div. 2) B...
分类:其他好文   时间:2014-09-19 10:15:55    阅读次数:230
Codeforces Round #267 (Div. 2) C
Codeforces Round #267 (Div. 2) C...
分类:其他好文   时间:2014-09-19 10:15:45    阅读次数:294
Codeforces Round #267 (Div. 2) A. George and Accommodation
George has recently entered the BSUCP (Berland State University for Cool Programmers). George has a friend Alex who has also entered the university. Now they are moving into a dormitory. George and...
分类:其他好文   时间:2014-09-19 10:14:05    阅读次数:290
Codeforces Round #267 (Div. 2) 水了一发 真.记录
闲着没事就水了一发DIV2,本来想新注册一个小小号来着。结果验证码一直显示不出来。于是就用小号做。 结果rank44,但是没有rating. 以下均不解释题意了。 A:O(n)脑残模拟。 Code: #include int main() { int n, a, b; scanf("%d", &n); int res = 0; whil...
分类:其他好文   时间:2014-09-19 10:10:55    阅读次数:216
CF467 AB 水题
Codeforces Round #267 (Div. 2)(C和D的题解单独写)AGeorge and Accommodation题意:给出宿舍各个寝室住了多少人、最多能住多少人,求有多少个寝室能住进这两个人……代码: 1 //#pragma comment(linker, "/STACK:102...
分类:其他好文   时间:2014-09-19 08:47:25    阅读次数:239
Codeforces Round #267 (Div. 2)
QAQAQAQAQD题sb题没写出来(大雾)QAQAQAQ差点掉ratingQAQc题我能再wa多次吗,就打错个max的转移啊!QAQA.George and Accommodation题意:给你a和b,问你a是否小于等于b-2这。。。#include #include #include #incl...
分类:其他好文   时间:2014-09-19 06:38:14    阅读次数:245
poj3252(Round Numbers)
题目地址:Round Numbers题目大意: “Round Numbers” 是一个十进制的数转化为二进制,如果在二进制中 “0”的个数不小于“1”的个数,就称为“Round Numbers” 。本题求出n到m区间(闭区间)的“Round Numbers” 有多少个。解题思路: 排列组合的公式.....
分类:其他好文   时间:2014-09-18 22:04:04    阅读次数:145
矩阵快速幂---BestCoder Round#8 1002
当要求递推数列的第n项且n很大时,怎么快速求得第n项呢?可以用矩阵快速幂来加速计算。我们可以用矩阵来表示数列递推公式比如fibonacci数列 可以表示为 [f(n) f(n-1)] = [f(n-1) f(n-2)] [ 1 1 ] [...
分类:其他好文   时间:2014-09-18 18:21:54    阅读次数:203
Codeforces Round #265 (Div. 2) D. Restore Cube
Peter had a cube with non-zero length of a side. He put the cube into three-dimensional space in such a way that its vertices lay at integer points (it is possible that the cube's sides are not parall...
分类:其他好文   时间:2014-09-18 16:36:44    阅读次数:196
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