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302. Smallest Rectangle Enclosing Black Pixels
题目:An image is represented by a binary matrix with0as a white pixel and1as a black pixel. The black pixels are connected, i.e., there is only one blac...
分类:其他好文   时间:2015-12-16 09:25:18    阅读次数:956
优先队列 UVA 11997 K Smallest Sums
题目传送门题意:训练指南P189分析:完全参考书上的思路,k^k的表弄成有序表:表1:A1 + B1 using namespace std;const int N = 750 + 5;int a[N][N];int n;struct P { int v, id; P() {} P(int v, i...
分类:其他好文   时间:2015-12-07 20:27:38    阅读次数:155
1038. Recover the Smallest Number (30)
Given a collection of number segments, you are supposed to recover the smallest number from them. For example, given {32, 321, 3214, 0229, 87}, we can...
分类:其他好文   时间:2015-12-06 11:20:07    阅读次数:183
Codeforces Round #334 (Div. 2) B C D
B. More Cowbell题意:给定N表示铃铛的个数,和k表示箱子的个数,牛铃铛要放在箱子里运输,要求每个箱子放1个或者2个牛铃铛,且每个箱子都要放铃铛,箱子的大小相等,老板为了省钱,希望箱子越小越好(smallest),求满足条件的箱子的尺寸。给定的n个铃铛的尺寸依次从小到大。样例:6 41 ...
分类:其他好文   时间:2015-12-03 23:16:42    阅读次数:186
11997 - K Smallest Sums(优先队列)
11997 - K Smallest SumsYou’re given k arrays, each array has k integers. There are kk ways to pick exactly one element in eacharray and calculate ...
分类:其他好文   时间:2015-12-02 14:16:53    阅读次数:153
[LeetCode]Smallest Rectangle Enclosing Black Pixels
用的dfs,但是感觉这个方法应该不是最优的,否则这个题目不应该是hardpublic class Solution { int up = Integer.MAX_VALUE; int low = Integer.MIN_VALUE; int left = Integer.MAX_V...
分类:其他好文   时间:2015-12-01 08:25:51    阅读次数:277
Project Euler 87 :Prime power triples 素数幂三元组
Prime power triplesThe smallest number expressible as the sum of a prime square, prime cube, and prime fourth power is 28. In fact, there are exactly ...
分类:其他好文   时间:2015-11-27 21:37:09    阅读次数:201
[LeetCode]Kth Smallest Element in a BST
public class Solution { TreeNode result = new TreeNode(0); public int kthSmallest(TreeNode root, int k) { helper(root, k); return ...
分类:其他好文   时间:2015-11-27 17:32:33    阅读次数:111
230. Kth Smallest Element in a BST
题目:Given a binary search tree, write a functionkthSmallestto find thekth smallest element in it.Note:You may assume k is always valid, 1 ≤ k ≤ BST's t...
分类:其他好文   时间:2015-11-27 00:42:42    阅读次数:171
[lintcode] Minimum Subarray
Minimum SubarrayGiven an array of integers, find the subarray with smallest sum.Return the sum of the subarray.For [1, -1, -2, 1], return -3NoteThe su...
分类:其他好文   时间:2015-11-26 06:55:47    阅读次数:170
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