while(a--)怎么解?如下：#include sbit p1_1=P1^0 unsigned int a //干啥?void main() { while(1) //搞啥的?{ a=51000; p1_1=0; while(a--); a=51000; while(a--); p1_1=1; a=51000; while(a--); a=51000; while(a--); } }

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while(a--)怎么解?如下：#include sbit p1_1=P1^0 unsigned int a //干啥?void main() { while(1) //搞啥的?{ a=51000; p1_1=0; while(a--); a=51000; while(a--); p1_1=1; a=51000; while(a--); a=51000; while(a--); } }

while(a--)怎么解?如下：#include sbit p1_1=P1^0 unsigned int a //干啥?void main() { while(1) //搞啥的?{ a=51000; p1_1=0; while(a--); a=51000; while(a--); p1_1=1; a=51000; while(a--); a=51000; while(a--); } }
while(a--)怎么解?
如下：#include sbit p1_1=P1^0 unsigned int a //干啥?void main() { while(1) //搞啥的?{ a=51000; p1_1=0; while(a--); a=51000; while(a--); p1_1=1; a=51000; while(a--); a=51000; while(a--); } }

while(a--)怎么解?如下：#include sbit p1_1=P1^0 unsigned int a //干啥?void main() { while(1) //搞啥的?{ a=51000; p1_1=0; while(a--); a=51000; while(a--); p1_1=1; a=51000; while(a--); a=51000; while(a--); } }
while()里面是条件语句 意思就是条件是true就执行 否则就不执行 a--的意思是当a--不等于0就是true a--等于0就为false

while(a--)怎么解?如下：#include sbit p1_1=P1^0 unsigned int a //干啥?void main() { while(1) //搞啥的?{ a=51000; p1_1=0; while(a--); a=51000; while(a--); p1_1=1; a=51000; while(a--); a=51000; while(a--); } } once in a while in a while是什么意思 in a little while 请问“the first day in a while”怎么翻译RT i haven't heard any songs by her in a while .该怎么理解貌似 in a while see sb in a while Once In A While 歌词 in a while 等于什么 In A Little While 歌词 in a while;after a while 的用法区别. for a while和in a while有什么区别? keep a diary once in a while 问下for a while,in a while,after a while,all the after a while,in a while ,for a short while的区别和用法 while he__________(write)a letter to his pen-pal,his brother_________(come)in.怎么填 英语翻译“keep me in your heart for a while”这句怎么翻译? While these positive effects have been proven in a wide range of applied setting怎么翻译