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UVA - 11388 GCD LCM
II U C   ONLINE   C ON TEST   2 008 Problem D: GCD LCM Input: standard input Output: standard output   The GCD of two positive integers is the largest integer ...
分类:其他好文   时间:2014-08-17 21:24:53    阅读次数:189
POJ 2559 Largest Rectangle in a Histogram RMQ || 单调栈
题目链接:点击打开链接 题意就是求最大面积 枚举每个柱子作为起点 然后二分两边长度。 求个区间最值。 #include #include #include using namespace std; #define ll long long #define N 100100 inline bool rd(int &n){ int x = 0, tmp = 1; ...
分类:其他好文   时间:2014-08-16 18:34:41    阅读次数:228
[LeetCode] Maximal Rectangle(good)
Given a 2D binary matrix filled with 0's and 1's, find the largest rectangle containing all ones and return its area.参考“Largest Rectangle in Histogram...
分类:其他好文   时间:2014-08-15 12:45:58    阅读次数:162
LeetCode "Largest Rectangle in Histogram" - TRICKY MONO-QUEUE
I got a DP solution first which is O(n^2). Apparently it is not a optimized one - think about: it is linear value space. There must be O(n) solution.A...
分类:其他好文   时间:2014-08-15 05:04:07    阅读次数:249
Pascal's Triangle II
Given an index k, return the kth row of the Pascal's triangle.For example, given k = 3,Return [1,3,3,1].Note:Could you optimize your algorithm to use ...
分类:其他好文   时间:2014-08-14 23:44:26    阅读次数:323
CSU 1424 Qz’s Maximum All One Square
Description       YH gave Qz an odd matrix consists of one or zero. He asked Qz to find a square that has the largest area. The problem is not so easy, that means the square you find must not contai...
分类:其他好文   时间:2014-08-12 19:11:04    阅读次数:208
hdu 1506 Largest Rectangle in a Histogram
Largest Rectangle in a Histogram Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 11248    Accepted Submission(s): 3088 Problem Descrip...
分类:其他好文   时间:2014-08-11 21:36:22    阅读次数:291
HDU 2870 Largest Submatrix(DP)
题意 求最大相同字符子矩阵 其中一些字符可以转换 其实就是HDU1505 1506的加强版 但是分了a,b,c三种情况 看哪次得到的面积最大 对于某一个情况 可以把该字符和可以转换为该字符的位置赋值0 其它位置赋值1 这样就转化成了求最大全0矩阵的问题了 对于转换后矩阵中的每个点 看他向上有多少个连续0 把这个值存在h数组中 再用l数组和r数组记录h连续大于等于该位置的最左边位置和最右位置 这样包含(i,j)点的最大矩阵面积就是(r[i][j]-l[i][j]+1)*h[i][j] 面积最大的点就...
分类:其他好文   时间:2014-08-11 15:04:42    阅读次数:195
UVA - 11920 0 s, 1 s and ? Marks
Description  0 s, 1 s and ? Marks  Given a string consisting of 0, 1 and ? only, change all the ? to 0/1, so that the size of the largest group is minimized. A group is a subs...
分类:其他好文   时间:2014-08-11 11:57:42    阅读次数:197
事件轮询 event loop
Understanding the node.js event loopThe first basic thesis of node.js is that I/O is expensive:So the largest waste with current programming technolog...
分类:其他好文   时间:2014-08-10 21:21:30    阅读次数:469
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