Marks Distribution Time limit: 3.000 seconds In an examination one student appeared in N subjects and has got total T marks. He has passed in all the Nsubjects where minimum mark for passing in each subject is P. You have to calculate the number of w…
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 substring that contains either all zeros or all ones. Consider the following ex…
10411: F.Distribution Time Limit: 1 Sec Memory Limit: 128 MB Submit: 11 Solved: 8 [Submit][Status][Web Board] Description One day , Wang and Dong in the Dubai desert expedition, discovered an ancient castle. Fortunately, they found a map of the cas…
Boxes and Stones Paul and Carole like to play a game with S stones and B boxes numbered from 1 to B. Beforebeginning the game they arbitrarily distribute the S stones among the boxes from 1 to B - 1, leavingbox B empty. The game then proceeds by roun…
Introduction In statistics, the Wishart distribution is generalization to multiple dimensions of the chi-squared distribution (卡方分布), or, in the case of non-integer degrees of freedom, of the gamma distribution. It is a family of probability distribu…
在transactional replication中,在publication中执行了一个更新,例如:update table set col=? Where ?,如果table中含有大量的数据行,那么该操作会产生大量数据更新操作.在subscription端,这个更新操作会分解成多条command(默认情况下产生一个Transaction,每个数据行产生一个Command). Distribution Agent包含两个子进程,Reader和Writer. Reader负责从 Distrib…
最近遇到一个关于发布订阅(Replication)的奇葩问题,特此记录一下这个案例.我们一SQL SERVER数据库服务器出现大量告警.告警信息如下所示: DESCRIPTION: Replication-Replication Distribution Subsystem: agent xxxxxx failed. Column names in each table must be unique. Column name 'xxxxx' in table 'dbo.xxxxxx' is sp…
UVA - 10375 Choose and divide Choose and divide Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 4053 Accepted: 1318 Description The binomial coefficient C(m,n) is defined as m! C(m,n) = -------- n!(m-n)! Given four natural numbers p, q…
UVA - 11584 Partitioning by Palindromes We say a sequence of char- acters is a palindrome if it is the same written forwards and backwards. For example, ‘racecar’ is a palindrome, but ‘fastcar’ is not. A partition of a sequence of characters is a lis…
UVA - 1025 A Spy in the Metro Secret agent Maria was sent to Algorithms City to carry out an especially dangerous mission. After several thrilling events we find her in the first station of Algorithms City Metro, examining the time table. The Algorit…
UVA - 11134 Fabled Rooks We would like to place n rooks, 1 ≤ n ≤ 5000, on a n × n board subject to the following restrictions The i-th rook can only be placed within the rectan- gle given by its left-upper corner (xli,yli) and its right- lower corner…
UVA - 11987 Almost Union-Find I hope you know the beautiful Union-Find structure. In this problem, you’re to implement something similar, but not identical. The data structure you need to write is also a collection of disjoint sets, supporting 3 oper…
