这种计算方法称为序列的逆序数。
This measure is called the number of inversions in the sequence.
基于排列的逆序数，提出了一种判别谱测量数据中峰值的快速而简捷的方法。
A fast and simple method has been proposed to determine peak value in the spectral data, based on the inverse table permutation.
在单点交叉过程中引入了逆序数向量进行交叉，简化了自然数序列的交叉过程。
During the single dot cross operation, import the athuard ordinal number arrow, simplify the cross operation of the natural sequence.
利用逆序数概念给出一种检验群体排序一致性的方法，并从理论上论证了该方法的合理性。
In the paper a method based on the number of reverse order is suggested for testing consistency in group ordering, which is more reasonable on the theoretical plane.
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。
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。
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.
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