> Runtime Error (RE): Your program has failed during the execution. Possible causes include illegal file access, stack overflow, out of range in pointer reference, floating point exception, division by zero and many others. Programs that stay not responding for a long time (not consuming CPU cycles) may also be considered to have encountered runtime errors.
> 可能是上面的哪一条吧
估计是输入的问题
我也RE了 
一条命令除去空格回车后最长是多少啊
大牛们用什么输入啊