306953: CF1277A. Happy Birthday, Polycarp!
Memory Limit:256 MB
Time Limit:1 S
Judge Style:Text Compare
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Description
Happy Birthday, Polycarp!
题意翻译
称一个数为美丽的数,当且仅当这个数中每个数码相同。 如 $1,77,44,9999$ 就是美丽的数, $10,28$ 就不是美丽的数。 求 $[1,n]$ 中美丽的数的个数。 多测,共 $T$ 组测试数据。题目描述
Hooray! Polycarp turned $ n $ years old! The Technocup Team sincerely congratulates Polycarp! Polycarp celebrated all of his $ n $ birthdays: from the $ 1 $ -th to the $ n $ -th. At the moment, he is wondering: how many times he turned beautiful number of years? According to Polycarp, a positive integer is beautiful if it consists of only one digit repeated one or more times. For example, the following numbers are beautiful: $ 1 $ , $ 77 $ , $ 777 $ , $ 44 $ and $ 999999 $ . The following numbers are not beautiful: $ 12 $ , $ 11110 $ , $ 6969 $ and $ 987654321 $ . Of course, Polycarpus uses the decimal numeral system (i.e. radix is 10). Help Polycarpus to find the number of numbers from $ 1 $ to $ n $ (inclusive) that are beautiful.输入输出格式
输入格式
The first line contains an integer $ t $ ( $ 1 \le t \le 10^4 $ ) — the number of test cases in the input. Then $ t $ test cases follow. Each test case consists of one line, which contains a positive integer $ n $ ( $ 1 \le n \le 10^9 $ ) — how many years Polycarp has turned.
输出格式
Print $ t $ integers — the answers to the given test cases in the order they are written in the test. Each answer is an integer: the number of beautiful years between $ 1 $ and $ n $ , inclusive.
输入输出样例
输入样例 #1
6
18
1
9
100500
33
1000000000
输出样例 #1
10
1
9
45
12
81