Removed additional blank activities and sequence.

移除额外的空活动和序列。

youdao

Then print a single line containing the minimal number of swaps of adjacent numbers that are necessary to sort the given sequence. Terminate the output for the scenario with a blank line.

还有一种方法是求数列的逆序数，因为根据题目所给条件，逆序数就是交换次数，代码一并贴出。

youdao

Then print a single line containing the minimal number of swaps of adjacent numbers that are necessary to sort the given sequence. Terminate the output for the scenario with a blank line.

还有一种方法是求数列的逆序数，因为根据题目所给条件，逆序数就是交换次数，代码一并贴出。

youdao