100831: [AtCoder]ABC083 B - Some Sums
Memory Limit：256 MB
Time Limit：2 S
Judge Style：Text Compare
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Solved：0
Description
Score : $200$ points
Problem Statement
Find the sum of the integers between $1$ and $N$ (inclusive), whose sum of digits written in base $10$ is between $A$ and $B$ (inclusive).
Constraints
- $1 \leq N \leq 10^4$
- $1 \leq A \leq B \leq 36$
- All input values are integers.
Input
Input is given from Standard Input in the following format:
$N$ $A$ $B$
Output
Print the sum of the integers between $1$ and $N$ (inclusive), whose sum of digits written in base $10$ is between $A$ and $B$ (inclusive).
Sample Input 1
20 2 5
Sample Output 1
84
Among the integers not greater than $20$, the ones whose sums of digits are between $2$ and $5$, are: $2,3,4,5,11,12,13,14$ and $20$. We should print the sum of these, $84$.
Sample Input 2
10 1 2
Sample Output 2
13
Sample Input 3
100 4 16
Sample Output 3
4554