思路: 模拟.少写了一个等号FST了,好气啊. 实现: #include <bits/stdc++.h> using namespace std; int main() { int h, m, s, t1, t2; while (cin >> h >> m >> s >> t1 >> t2) { ; int x = min(t1, t2), y = max(t1, t2); if (h >= x && h <…
golang中的race检测 由于golang中的go是非常方便的,加上函数又非常容易隐藏go. 所以很多时候,当我们写出一个程序的时候,我们并不知道这个程序在并发情况下会不会出现什么问题. 所以在本质上说,goroutine的使用增加了函数的危险系数论go语言中goroutine的使用.比如一个全局变量,如果没有加上锁,我们写一个比较庞大的项目下来,就根本不知道这个变量是不是会引起多个goroutine竞争. 官网的文章Introducing the Go Race Detector给出的例子…
Bob’s Race Time Limit: 5000/2000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Problem Description Bob wants to hold a race to encourage people to do sports. He has got trouble in choosing the route. There are N houses and N - 1 roads…
题目链接: http://codeforces.com/problemset/problem/214/E Relay Race time limit per test4 secondsmemory limit per test256 megabytes 问题描述 Furik and Rubik take part in a relay race. The race will be set up on a large square with the side of n meters. The gi…
C. The Big Race Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/592/problem/C Description Vector Willman and Array Bolt are the two most famous athletes of Byteforces. They are going to compete in a race with a distance of…
Bob’s Race Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=4123 Description Bob wants to hold a race to encourage people to do sports. He has got trouble in choosing the route. There are N houses and N - 1 roads…
C - Race to 1 Again Time Limit:2000MS Memory Limit:32768KB 64bit IO Format:%lld & %llu Description Rimi learned a new thing about integers, which is - any positive integer greater than 1 can be divided by its divisors. So, he is now playing w…
Walking Race Description flymouse's sister wc is very capable at sports and her favorite event is walking race. Chasing after the championship in an important competition, she comes to a training center to attend a training course. The center has N…
Single, race both get only one emit value from the stream. Single(fn): const source = Rx.Observable.from([1,2,3,4,5]); var single = source.single( x => x === 3); /* (12345)| (source) single( x => x === 3) 3| (single) */ race(...observable): Observab…
Bob’s Race Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 378 Accepted: 119 Description Bob wants to hold a race to encourage people to do sports. He has got trouble in choosing the route. There are N houses and N - 1 roads in his vil…
D. Bicycle Race 题目链接http://codeforces.com/contest/659/problem/D Description Maria participates in a bicycle race. The speedway takes place on the shores of Lake Lucerne, just repeating its contour. As you know, the lake shore consists only of straigh…
Description Maria participates in a bicycle race. The speedway takes place on the shores of Lake Lucerne, just repeating its contour. As you know, the lake shore consists only of straight sections, directed to the north, south, east or west. Let's in…
题目链接 Problem Description Bob wants to hold a race to encourage people to do sports. He has got trouble in choosing the route. There are N houses and N - 1 roads in his village. Each road connects two houses, and all houses are connected together. To…
Race to 1 Time Limit: 10000MS Memory Limit: Unknown 64bit IO Format: %lld & %llu [Submit] [Go Back] [Status] Description B Race to 1 Input: Standard Input Output: Standard Output Dilu have learned a new thing about integers, which is - an…
新概念英语(1-69)The car race Which car was the winner in 1995 ? There is car race near our town every year. In 1995, there was a very big race. There were hundreds of people there. My wife and I were at the race. Our firends Julie and Jack were there too…
Walking Race Time Limit: 10000MS Memory Limit: 131072K Total Submissions: 4123 Accepted: 1029 Case Time Limit: 3000MS Description flymouse’s sister wc is very capable at sports and her favorite event is walking race. Chasing after the championshi…
public class TestRaceCondition implements Runnable{ public static int counter = 0; public static void main(String[] args) { List<Thread> threads = new ArrayList<>(); //產生threads,加入ArrayList for( int i=0 ; i < 10 ; i++) { TestRaceCondition r…
Concurrency and Its Management Race condition can often lead to system crashes, memory leak,corrupted data,or security problem as well avoid the use of global variables The Linux Semaphore Implementation Semaphore #include <linux/semaphore.h> void s…
race conditions (when an anomalous result occurs due to an unexpected critical dependence on the timing of two events). A race condition occurs when two or more threads can access shared data and they try to change it at the same time. Because the th…