http://pat.zju.edu.cn/contests/pat-a-practise/1063 Given two sets of integers, the similarity of the sets is defined to be Nc/Nt*100%, where Nc is the number of distinct common numbers shared by the two sets, and Nt is the total
http://ac.jobdu.com/problem.php?pid=1461 題目描述: The doggie found a bone in an ancient maze, which fascinated him a lot. However, when he picked it up, the maze began to shake, and the doggie could feel the ground sinking. He realized that
代理設計模式 定義:為其他對象提供一種代理以控制對這個對象的訪問。 代理模式的結構如下圖所示。 動態代理使用 java動態代理機制以巧妙的方式實現了代理模式的設計理念。 代理模式範例程式碼 public interface Subject { public void doSomething(); } public class RealSubject implements Subject { public void
來自csdn的討論帖:http://bbs.csdn.net/topics/10284793 貼上某人的總結: 1.什麼是左值 int a = 2; 這句話裡面2是一個"值",a是一個變數,它有一個4位元組的記憶體地區,這個記憶體地區裡面裝著2,這就暗示這個記憶體地區可以被改寫,可以被賦值,可以出現在=號的左邊 a是一個"左值" 而2就僅僅是一個2,它是一個值,我看看到它,就認為它是一個2,只能把他賦給別人,不能被賦值
http://pat.zju.edu.cn/contests/pat-a-practise/1073 Scientific notation is the way that scientists easily handle very large numbers or very small numbers. The notation matches the regular expression [+-][1-9]"."[0-9]+E[+-][0-9]+ which means
http://pat.zju.edu.cn/contests/pat-a-practise/1056 Mice and Rice is the name of a programming contest in which each programmer must write a piece of code to control the movements of a mouse in a given map. The goal of each mouse is to eat
阿里2018秋招編程題 1、給定一個字串S和有效單詞的字典D,請確定可以插入到S中的最小空格數,使得最終的字串完全由D中的有效單片語成,並輸出解。如果沒有解則應該輸出n/a 舉例: 輸入 S = “ilikealibaba” D = [“i”, “like”, “ali”, “liba”, “baba”, “alibaba”] Example Output: 輸出 “i like alibaba” 解釋: 字串S可能被字典D這樣拆分 “i like ali
題目資訊 1029. Median (25) 時間限制400 ms 記憶體限制65536 kB 代碼長度限制16000 B Given an increasing sequence S of N integers, the median is the number at the middle position. For example, the median of S1={11, 12, 13, 14} is 12, and the median of S2={9, 10, 15