二分圖最大獨立集=點數n-二分圖最大匹配。知道這個公式後,這道題就很easy了,,是一道裸題,最基本的二分圖最大獨立集,,圖都是直接建好得。。。題目:Girls and BoysTime Limit: 5000MS Memory Limit: 10000KTotal Submissions: 7452 Accepted: 3242DescriptionIn the second year of the university somebody started a study on
class Solution {public: int minCut(string s) { // Start typing your C/C++ solution below // DO NOT write int main() function int a = froml(s); int b = fromr(s); return a>b?b:a; } int froml(string s){
/*用STL set 去維護集合的大小為k*/Problem : 4006 ( The kth great number ) Judge Status : AcceptedRunId : 6313274 Language : C++ Author : CherryChouCode Render Status : Rendered By HDOJ C++ Code Render Version 0.01
題目描述:To store English words, one method is to use linked lists and store a word letter by letter. To save some space, we may let the words share the same sublist if they share the same suffix. For example, "loading" and "being" are stored as showed
一道貌似難題的水題,,不過我還是想了兩個多小時。首先理解題意就理解了好久,,然後又想建圖又想了好久,,最後發現建過圖之後就是一道裸的二分圖最小點集覆蓋。。。。悲催。。。題目:Machine ScheduleTime Limit: 1000MS Memory Limit: 10000KTotal Submissions: 8033 Accepted: 3409DescriptionAs we all know, machine scheduling is a very
題目描述: This time, you are supposed to find A+B where A and B are two matrices, and then count the number of zero rows and columns.輸入: The input consists of several test cases, each starts with a pair of positive integers M and N (≤10) which are
Given any string of N (>=5) characters, you are asked to form the characters into the shape of U. For example, "helloworld" can be printed as:h de ll rlowoThat is, the characters must be printed in the original order, starting
今天開始準備做個系列,專門存快速簡潔的演算法代碼。當然了,共用是必需的! 如果只用到 gcd 就只需貼第一個函數,要用到 lcm 就全貼上。int gcd(int a, int b){return b == 0 ? a : gcd(b, a % b);}int lcm(int a, int b){return a / gcd(a, b) * b;} 2012/5/11