ctci/11. Testing/11.1. Mistake.md

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# 11.1. Mistake
> Find the mistake(s) in the following code
```c++
unsigned int i;
for (i=100; i>=0; --i)
printf("%d\n", i);
```
One mistake is syntax in the for, it lacks {}. The printf is taking a digit but i is unsigned int.
Unsigned int is always greater than or qual to zero, it will remain in 0 and the loop will run infinitely.