1346这四个数组成所有的四位数中从小到大排列第九个数是什么?
这个问题,只能通过枚举来解决。
1346这四个数字组成的所有四位数一共有24个。
从小到大排列,第9个数是 3416。
附:计算结果和fortran代码
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/78310a55b319ebc4276e1ff89226cffc1e1716b8?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/b21c8701a18b87d68e54c27e170828381f30fdb9?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
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