An addition chain for n is an integer sequence <a0, a1,a2,...,am=""> with the following four properties: a0 = 1 am = n a0 < a1 < a2 < ... < am-1 < am For each k (1<=k<=m) there exist two (not necessarily different) int…
[题目描述] An addition chain for n is an integer sequence with the following four properties: a0 = 1 am = n a0 < a1 < a2 < ... < am-1 < am For each k (1<=k<=m) there exist two (not necessarily different) integers i and j (0<=i, j<=k…
POJ 1129 Channel Allocation Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 14191 Accepted: 7229 Description When a radio station is broadcasting over a very large area, repeaters are used to retransmit the signal so that every receive…
Water pipe Time Limit: 3000MS Memory Limit: 65536K Total Submissions: 2265 Accepted: 602 Description The Eastowner city is perpetually haunted with water supply shortages, so in order to remedy this problem a new water-pipe has been built. Builders s…
Description Starting with x and repeatedly multiplying by x, we can compute x31 with thirty multiplications: x2 = x × x, x3 = x2 × x, x4 = x3 × x, …, x31 = x30 × x. The operation of squaring can be appreciably shorten the sequence of multiplications.…
Addition Chains Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 5454 Accepted: 2923 Special Judge Description An addition chain for n is an integer sequence <a0, a1,a2,...,am="">with the following four properties: a0 = 1 a…
Channel Allocation Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 14601 Accepted: 7427 Description When a radio station is broadcasting over a very large area, repeaters are used to retransmit the signal so that every receiver has a s…
Description An addition chain for n is an integer sequence with the following four properties: a0 = 1 am = n a0<a1<a2<...<am-1<am For each k ( ) there exist two (not neccessarily different) integers i and j ( ) with ak =ai +aj You are give…
DNA sequence Time Limit : 15000/5000ms (Java/Other) Memory Limit : 32768/32768K (Java/Other) Total Submission(s) : 15 Accepted Submission(s) : 7 Font: Times New Roman | Verdana | Georgia Font Size: ← → Problem Description The twenty-first century…
Description An addition chain for n is an integer sequence with the following four properties: a0 = 1 am = n a0 < a1 < a2 < ... < am-1 < am For each k (1<=k<=m) there exist two (not necessarily different) integers i and j (0<=i, j&…
Problem UVA11212-Editing a Book Accept:572 Submit:4428 Time Limit: 10000 mSec Problem Description You have n equal-length paragraphs numbered 1 to n. Now you want to arrange them in the order of 1,2,...,n. With the help of a clipboard, you can easi…
The twenty-first century is a biology-technology developing century. We know that a gene is made of DNA. The nucleotide bases from which DNA is built are A(adenine), C(cytosine), G(guanine), and T(thymine). Finding the longest common subsequence betw…
