[CareerCup] 12.1 Find Mistakes 找程序错误 - Grandyang - 博客园



[CareerCup] 12.1 Find Mistakes 找程序错误 - Grandyang - 博客园

12.1 Find the mistake(s) in the following code:

unsigned int i;  for (i = 190; i >= 0; --i)  printf("%d\n", i);

 

这道题让我们找出给定的简短的程序的错误,这里共有两处错误:

1. 无符号整型永远大于0,所以i >= 0没有意义

2. 打印无符号整型要用%u

正确代码参见下方:

 

unsigned int i;  for (i = 190; i > 0; --i)  printf("%u\n", i);

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