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问题描述
哪个更快，连续for循环或一堆嵌套的循环，例如3个连续for循环或3个嵌套的for循环?一个会永远比另一个快吗?
Which is faster, successive for loops or a bunch of nested ones, for example, 3 successive for loops or 3 nested for loops? Will one always be faster than the other?
推荐答案
只要循环次数不多，成功的循环往往会更快.
Successive loops will tend to be faster as long as there aren't too many.
在嵌套循环中，对于参数n的每增加一次，您的时间就会增加n平方.通过连续循环，n的任何增加都会导致执行时间线性变化.
In a nested loop, for every increase in an argument n you could have an increase in time that is n squared. With successive loops any increase in n results in a linear change in execution time.
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