You are given three integers x,y and n. Your task is to find the maximum integer k such that 0≤k≤n that kmodx=y, where mod is modulo operation. Many programming...

异常：ISO C forbids comparison between pointer and integer [-fpermissive] 意思是：指针和整数比较出错；禁止指针和整数进行比较。 S[i]是字符，”#”表示一个字符串的首地址。...

Eva is trying to make her own color stripe out of a given one. She would like to keep only her favorite colors in her favorite order by cutting off those unwant...

The task is really simple: given N exits on a highway which forms a simple cycle, you are supposed to tell the shortest distance between any pair of exits.

服务器队伍类，组队数据仅在内存中使用，如果做成支付宝种树，叠猫猫那类持久组队，可以新建张数据表

前面的文章中我们讲到了CyclicBarrier、CountDownLatch的使用，这里再回顾一下CountDownLatch主要用在一个线程等待多个线程执行完毕的情况，而CyclicBarrier用在多个线程互相等待执行完毕的情况。...

如果我们要改变图例顺序，按下面的操作，将color变成1，然后fill使用默认排序：

Choosing unsigned implies many changes to the usual behavior of integers, including modulo arithmetic, can suppress warnings related to overflow, and opens the ...

Overflow usually makes your numeric algorithm meaningless. Incrementing a value beyond a maximum value can lead to memory corruption and undefined behavior.

之前，介绍了一下 ThreadPoolExecutor 的各参数的含义（并发编程之线程池ThreadPoolExecutor），其中有一个 BlockingQueue，它是一个阻塞队列。那么，小伙伴们有没有想过，为什么此处的线程池要用阻塞队列呢？...