先上题目: 1148 - Mad Counting PDF (English) Statistics Forum Time Limit: 0.5 second(s) Memory Limit: 32 MB Mob was hijacked by the mayor of the Town "TruthTown". Mayor wants Mob to count the total population of the town. Now the naive approach to…
1148 - Mad Counting PDF (English) Statistics Forum Time Limit: 0.5 second(s) Memory Limit: 32 MB Mob was hijacked by the mayor of the Town "TruthTown". Mayor wants Mob to count the total population of the town. Now the naive approach to this p…
1148 - Mad Counting PDF (English) Statistics Forum Time Limit: 0.5 second(s) Memory Limit: 32 MB Mob was hijacked by the mayor of the Town "TruthTown". Mayor wants Mob to count the total population of the town. Now the naive approach to this p…
1148 - Mad Counting PDF (English) Statistics Forum Time Limit: 0.5 second(s) Memory Limit: 32 MB Mob was hijacked by the mayor of the Town "TruthTown". Mayor wants Mob to count the total population of the town. Now the naive approach to this pro…
链接: https://vjudge.net/problem/LightOJ-1058 题意: There are n distinct points in the plane, given by their integer coordinates. Find the number of parallelograms whose vertices lie on these points. In other words, find the number of 4-element subsets o…
题目链接: http://www.lightoj.com/volume_showproblem.php?problem=1170 题目描述: 给出一些满足完美性质的一列数(x > 1 and y > 1 such that m = xy.) 然后给出一个区间,问在这个区间中的完美数组成的搜索二叉树的个数是多少?解题思路: 1,打标算出所有的完美数列中的数字 2,打表算出卡特兰数列,等着以后用 3,卡特兰数列递推式:F[N] = F[N-1] * ( 4 * N - 2 ) / ( N + 1…
链接: https://vjudge.net/problem/LightOJ-1148 题意: Mob was hijacked by the mayor of the Town "TruthTown". Mayor wants Mob to count the total population of the town. Now the naive approach to this problem will be counting people one by one. But as w…
链接: https://vjudge.net/problem/LightOJ-1170 题意: BST is the acronym for Binary Search Tree. A BST is a tree data structure with the following properties. i) Each BST contains a root node and the root may have zero, one or two children. Each of the chi…
Text Aeroplanes are slowly driving me mad. I live near an airport and passing planes can be heard night and day. The airport was built years ago, but for some reason it could not be used then. Last year, however, it came into use. Over a hundred peop…
来之不易的2017第一发ac http://poj.org/problem?id=2386 Lake Counting Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 31474 Accepted: 15724 Description Due to recent rains, water has pooled in various places in Farmer John's field, which is repr…
1004. Counting Leaves (30) A family hierarchy is usually presented by a pedigree tree. Your job is to count those family members who have no child. Input Each input file contains one test case. Each case starts with a line containing 0 < N < 100,…
Problem Figure 2. The Hamming distance between these two strings is 7. Mismatched symbols are colored red. Given two strings ss and tt of equal length, the Hamming distance between ss and tt, denoted dH(s,t)dH(s,t), is the number of corresponding sym…
Problem A string is simply an ordered collection of symbols selected from some alphabet and formed into a word; the length of a string is the number of symbols that it contains. An example of a length 21 DNA string (whose alphabet contains the symbol…
这里 irf 两个交换机 S4 S5 S4 S4的MEmber id 为1 IRF member 1 renumber 1 S4的 irf 优先为10 irf member priority 10 链形堆叠 irf domain 10 进入 要irf的端口 int range name irf int ten-g 1/0/50 to ten-g1/0/51 暂时关闭 shutdown 进入irf port irf-port 1/1 port group int ten-g 1/0/50 port…
当我们在使用JSONKit处理数据时,直接将文件拉进项目往往会报这两个错“JSONKit does not support Objective-C Automatic Reference Counting(ARC)”,“ARC forbids Objective-C objects in struct”,这是由于JSONKit库未更新,不支持ARC机制.我们可以参照如下步骤解决:…
有使用JSonKit的朋友,如果遇到“JSonKit does not support Objective-C Automatic Reference Counting(ARC)”这种情况,可参照如下方法: 点击项目根目录->targets->Build Phases->JSONKit.m->添加“-fno-objc-arc”字段,在运行就OK了.…
Aladdin and the Flying Carpet Time Limit:3000MS Memory Limit:32768KB 64bit IO Format:%lld & %llu Submit Status Practice LightOJ 1341 Appoint description: System Crawler (2016-07-08) Description It's said that Aladdin had to solve seven myst…
A - Bi-shoe and Phi-shoe Time Limit:2000MS Memory Limit:32768KB 64bit IO Format:%lld & %llu Submit Status Practice LightOJ 1370 Appoint description: System Crawler (2016-07-08) Description Bamboo Pole-vault is a massively popular sport in X…
