ACM B-number 题目意思解释Problem DescriptionA wqb-number, or B-number for short, is a non-negative integer whose decimal form contains the sub- string "13" and can be divided by 13. For example, 130 and 2613 are wqb-numbers, but 143 and 2639 ar
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![ACM B-number 题目意思解释Problem DescriptionA wqb-number, or B-number for short, is a non-negative integer whose decimal form contains the sub- string](/uploads/image/z/14315395-67-5.jpg?t=ACM+B-number+%E9%A2%98%E7%9B%AE%E6%84%8F%E6%80%9D%E8%A7%A3%E9%87%8AProblem+DescriptionA+wqb-number%2C+or+B-number+for+short%2C+is+a+non-negative+integer+whose+decimal+form+contains+the+sub-+string+%2213%22+and+can+be+divided+by+13.+For+example%2C+130+and+2613+are+wqb-numbers%2C+but+143+and+2639+ar)
ACM B-number 题目意思解释Problem DescriptionA wqb-number, or B-number for short, is a non-negative integer whose decimal form contains the sub- string "13" and can be divided by 13. For example, 130 and 2613 are wqb-numbers, but 143 and 2639 ar
ACM B-number 题目意思解释
Problem Description
A wqb-number, or B-number for short, is a non-negative integer whose decimal form contains the sub- string "13" and can be divided by 13. For example, 130 and 2613 are wqb-numbers, but 143 and 2639 are not. Your task is to calculate how many wqb-numbers from 1 to n for a given integer n.
帮我解释一下这个题什么意思吧, 谢谢
ACM B-number 题目意思解释Problem DescriptionA wqb-number, or B-number for short, is a non-negative integer whose decimal form contains the sub- string "13" and can be divided by 13. For example, 130 and 2613 are wqb-numbers, but 143 and 2639 ar
求含有数字13和能够被13整除的数的个数