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数学题，如何计算固定长度的最大随机数数量？

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

比如现在01234567890ABCDEFGHJKLMNOPQRSTUVWXYZ去除了字母I和O,现在要随机生成6位长度的随机字符串，想请教一下这个随机的数量是多少呢？

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answered Jan 27, 2021 by 深蓝 (71.8m points)

可重复的情况
34 * 34 * 34 * 34 * 34 * 34 = 1544804416

不可重复的情况
34 * 33 * 32 * 31 * 30 * 29 = 968330880

与恶龙缠斗过久,自身亦成为恶龙；凝视深渊过久,深渊将回以凝视…

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