C语言中,如果定义一个变量,但不对其进行赋值,那么输出的这个变量的值由什么决定呢?比如这个程序:#include#includemain(){int a;printf("%d",a);getch();}并没有对a赋值,为什么运行完输出的结果是1992732
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![C语言中,如果定义一个变量,但不对其进行赋值,那么输出的这个变量的值由什么决定呢?比如这个程序:#include#includemain(){int a;printf(](/uploads/image/z/3688545-57-5.jpg?t=C%E8%AF%AD%E8%A8%80%E4%B8%AD%2C%E5%A6%82%E6%9E%9C%E5%AE%9A%E4%B9%89%E4%B8%80%E4%B8%AA%E5%8F%98%E9%87%8F%2C%E4%BD%86%E4%B8%8D%E5%AF%B9%E5%85%B6%E8%BF%9B%E8%A1%8C%E8%B5%8B%E5%80%BC%2C%E9%82%A3%E4%B9%88%E8%BE%93%E5%87%BA%E7%9A%84%E8%BF%99%E4%B8%AA%E5%8F%98%E9%87%8F%E7%9A%84%E5%80%BC%E7%94%B1%E4%BB%80%E4%B9%88%E5%86%B3%E5%AE%9A%E5%91%A2%3F%E6%AF%94%E5%A6%82%E8%BF%99%E4%B8%AA%E7%A8%8B%E5%BA%8F%EF%BC%9A%23include%23includemain%28%29%7Bint+a%3Bprintf%28%22%25d%22%2Ca%29%3Bgetch%28%29%3B%7D%E5%B9%B6%E6%B2%A1%E6%9C%89%E5%AF%B9a%E8%B5%8B%E5%80%BC%2C%E4%B8%BA%E4%BB%80%E4%B9%88%E8%BF%90%E8%A1%8C%E5%AE%8C%E8%BE%93%E5%87%BA%E7%9A%84%E7%BB%93%E6%9E%9C%E6%98%AF1992732)
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