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若字符串s=“software”,则其子串个数为: If the string s = "software", then the number of its sub-string is:

若字符串s=“software”,则其子串个数为: If the string s = "software", then the number of its sub-string is:

发布时间:2025-03-11 08:03:40
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答案:37 【分析】:解释:空串和自身各1个,长为1的8个,长为2的7个,…,长为7的2个。2+8+7+6+5+4+3+2=37 Explanation: the number of empty string and itself is both one and the ones with length of 1 is 8 and length of 2 is 7 , ……, length of 7 is 2. 2 + 8 + 7 + 6 + 5 + 4 + 3 + 2 = 37
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