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Reprinted please indicate the source: Thank you Http://user.qzone.qq.com/289065406/blog/1301820293   General question: The length of a river is L. the start and end of the river have two stones respectively, and the distance from S to E is L.

Reprinted please indicate the source: Thank you Http://user.qzone.qq.com/289065406/blog/1301655498   General question: Given the daily spending of farmers in N days, it is required to make these N talents into M groups. The number of days in

  General question: Chinese question .. I have nothing to say.   Solution: DFS, it is very difficult to have no idea, and it is easy to have an idea. Board rules are not difficult or not, and can be marked to solve the problem no matter

Reprinted please indicate the source: Thank you Http://user.qzone.qq.com/289065406/blog/1303558739   General question: Given two integers N and K Through n + 1, n-1, or N * 2, n = K Minimum number of output operations   Solution:

Gembach's Conjecture: Any even number can be equal to the sum of two prime numbers. However, no one has yet proved that he is correct. I think it is correct. Now, we don't have to worry so much about it. It's better to write suchProgramTest it. If

  Reprinted please indicate the source: Thank youHttp://user.qzone.qq.com/289065406/blog/1300454092 It's exactly the same as poj3176. If you don't know how to do this, let's take a look at my explanation of 3176. This is the address

  Reprinted please indicate the source: Thank you Http://user.qzone.qq.com/289065406/blog/1309336489   General question: An H-number is the number of all modulo elements. If an H-number is H-Primes only when its factor is 1 and itself (except 1

  Reprinted please indicate the source: Thank you Http://user.qzone.qq.com/289065406/blog/1301845324   General question: A pole with two ends fixed on both sides of the wall is bent upon heating. Calculate the distance between the pole's point

  Reprinted please indicate the source: Thank you http://user.qzone.qq.com/289065406/blog/1308452631   General question: This document provides a standard article on the number of sentences, number of words, and number of syllables. Place these

  Reprinted please indicate the source: Thank you Http://user.qzone.qq.com/289065406/blog/1300023619   Tip: Dynamic Planning, finding the largest non-Descent sub-sequence of lis   O (N ^ 2) and O (N * logn) algorithms can be perfectly AC   If you

  Reprinted please indicate the source: Thank you Http://user.qzone.qq.com/289065406/blog/1304489412   General question: A farmer wants to crop a board into several small boards with a given length. Each saw is charged for the length of the current

  Reprinted please indicate the source: Thank you Http://user.qzone.qq.com/289065406/blog/1303548481   General question: Haha, those who have played "GBA pocket monster" should be very easy to understand when they see this question. "The game is

  Reprinted please indicate the source: Thank you Http://user.qzone.qq.com/289065406/blog/1304742541   General question: Given some wood sticks, both ends of the wood sticks are painted with color, to determine whether it can be connected to the

  Reprinted please indicate the source: Thank youHttp://user.qzone.qq.com/289065406/blog/1303350143 General question: Returns the size of an international board to determine whether the horse can be used.Not repeatedGo through all cells and record

  Reprinted please indicate the source: Thank you Http://user.qzone.qq.com/289065406/blog/1303946967 General question: Returns an integer N, (1   Solution: First, brute-force enumeration is certainly impossible. If you want to avoid timeout in 1000

  Reprinted please indicate the source: Thank youHttp://user.qzone.qq.com/289065406/blog/1300453935 General question: Enter an N-layer triangle. the I-th layer has the number of I. Find the route with the largest sum of weights from layer 1st to

  Reprinted please indicate the source: Thank youHttp://user.qzone.qq.com/289065406/blog/1300550378 Deformation of LCS Note that the sub-strings of LCS can be discrete and do not need to be continuous. Use Dynamic Planning.   Set DP [I] [J] to take

  Reprinted please indicate the source: Thank you Http://user.qzone.qq.com/289065406/blog/1303623014 General question: Given two four-digit prime numbers a B, A must be transformed to B. The conversion process must ensure that each transformed

  Reprinted please indicate the source: Thank you http://user.qzone.qq.com/289065406/blog/1304031265   Question Translation: The company wants to invent a new shredder that requires the new shredder to cut the number on the paper into the nearest

After learning about the stack, we will all know that it has a notable feature: first-in-first-out, just like putting things in a bucket, first-in-first-out, and taking it out from above. Just understand this principle. Let's take a practical