归并排序20个点全TLE

P1908 逆序对

@cyx012113`msort(1, mid);`改为`msort(l, mid);`
by lzm0107 @ 2024-02-06 15:36:54


@[lzm0107](/user/555994) $ AC $了,感谢大佬!!! (已加关注)
by cyx012113 @ 2024-02-06 18:31:25


@[lzm0107](/user/555994) $ 1 $ 和 $ l $ 太像了,本蒟蒻一时分辨不出来
by cyx012113 @ 2024-02-06 18:34:28


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