问题描述
我正在尝试使用 c。但是，结果不会立即打印到控制台，而是会延迟（在两个周期或程序都完成之后）。
I am trying to print results in 2 nested for cycles using std::cout. However, the results are not printed to the console immediately, but with delay (after both for cycles or the program have been finished).
我认为这种行为不正常，在Windows下可以正常打印。该程序不使用线程。
I do not consider such behavior normal, under Windows printing works OK. The program does not use threads.
哪里出问题了？ （Ubuntu 10.10 + NetBeans 6.9）。
Where could be the problem? (Ubuntu 10.10 + NetBeans 6.9).
推荐答案
std :: cout 是流，并且已缓冲。您可以通过几种方式刷新它：
std::cout is an stream, and it is buffered. You can flush it by several ways:
std::cout.flush(); std::cout << std::flush; std::cout << std::endl; // same as: std::cout << "\n" << std::flush`
约翰尼：
johny:
如果在之前刷新缓冲区>周期，该周期不会影响周期中的输出。您必须在循环中或循环后冲洗，以查看输出。
If you flush the buffer before the cycle, that does not affect the output in the cycle. You have to flush in or after the cycle, to see the output.
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