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HDU 2136 Largest prime factor 参考代码
#include #include #include using namespace std; const int MAX=1000001; bool nums[MAX]; int indexes[MAX]; void eraosthenes() { int n=sqrt((double)MAX); for(int i=2; i<=n; i++) { ...
分类:其他好文   时间:2014-11-02 16:31:15    阅读次数:167
hdu 1506 Largest Rectangle in a Histogram ((dp求最大子矩阵))
# include # include # include # include using namespace std; __int64 a[100010],l[100010],r[100010];///l[i]左边连续大于等于a[i]的下标,r[i]右边连续大于等于a[i]的下标,所以对于a[i]的矩形面积为(l[i]-r[i]+1)*a[i]; int main() { __i...
分类:其他好文   时间:2014-11-02 10:51:51    阅读次数:174
leetcode Maximum Subarray
Find the contiguous subarray within an array (containing at least one number) which has the largest sum.For example, given the array[?2,1,?3,4,?1,2,1,...
分类:其他好文   时间:2014-11-02 07:07:06    阅读次数:167
leetcode Maximum Subarray
题目:Find the contiguous subarray within an array (containing at least one number) which has the largest sum.For example, given the array[?2,1,?3,4,?1,2...
分类:其他好文   时间:2014-11-02 01:57:41    阅读次数:192
LeetCode Maximum Subarray
LeetCode Maximum Subarray Find the contiguous subarray within an array (containing at least one number) which has the largest sum.For example, given the array [?2,1,?3,4,?1,2,1,?5,4],the contiguous su...
分类:其他好文   时间:2014-10-30 07:12:42    阅读次数:151
Maximum Subarray 连续子数组最大和
Find the contiguous subarray within an array (containing at least one number) which has the largest sum.For example, given the array[?2,1,?3,4,?1,2,1,...
分类:编程语言   时间:2014-10-29 12:31:32    阅读次数:188
LeetCode:Maximum Subarray
题目描述: Find the contiguous subarray within an array (containing at least one number) which has the largest sum. For example, given the array [?2,1,?3,4,?1,2,1,?5,4], the contiguous subarray [4...
分类:其他好文   时间:2014-10-29 09:15:57    阅读次数:139
UVA 11324 The Largest Clique (强连通分量缩点,图DP)
题目:http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=25&page=show_problem&problem=2299题意:给你一个有向图,求一个点集合的最大大小,使得此点集合中对于任意点对...
分类:其他好文   时间:2014-10-28 21:33:13    阅读次数:449
HDU 2870 Largest Submatrix (单调栈)
http://acm.hdu.edu.cn/showproblem.php?pid=2870 Largest Submatrix Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 1569    Accepted Submissi...
分类:其他好文   时间:2014-10-26 01:39:00    阅读次数:213
UVa 836 - Largest Submatrix
题目:给你一个n*n的01矩阵,求里面最大的1组成的矩形的米娜及。 分析:dp,单调队列。UVa 1330同题,只是输入格式变了。             我们将问题分解成最大矩形,即求解以k行为底边的图形中的最大矩形,然后合并,求最大的矩形;                        预处理: 求出以每行为底边的每一列从底边开始向上的最大连续1的高度MaxH。 O(N^2) ; ...
分类:其他好文   时间:2014-10-24 22:19:16    阅读次数:267
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