142. Keyword time limit per test: 0.5 sec. memory limit per test: 16384 KB Kevin has invented a new algorithm to crypt and decrypt messages, which he thinks is unbeatable. The algorithm uses a very large key-string, out of which a keyword is found ou…
C#+无unsafe的非托管大数组(large unmanaged array in c# without 'unsafe' keyword) +BIT祝威+悄悄在此留下版了个权的信息说: C#申请一个大数组(Use a large array in C#) 在C#里,有时候我需要能够申请一个很大的数组.使用之.然后立即释放其占用的内存. Sometimes I need to allocate a large array, use it and then release its memory…
In C#, out keyword 是argument传值变成passed by reference. out keyword 在同时返回多个值时很有用. 与ref keyword 相似. 若是使用out keyword传argument, 那么在method 的definition 和 使用时都需要家out keyword. Async methods can't use out keyword. Differences between out keyword and ref keyword…