题目描述
Problem Statement
How many integer sequences of length $N, A=(A_1, \ldots, A_N),$ satisfy all of the conditions below?
-
$1\le A_i \le M (1 \le i \le N)$
-
$\displaystyle\sum _{i=1}^N A_i \leq K$
Since the count can get enormous, find it modulo 998244353.
Input
Input is given from Standard Input in the following format:
N M K
Output
Print the answer.
Constraints
- $1 \leq N, M \leq 50$
- $N \leq K \leq$ NM
- All values in input are integers.
Sample Input 1
2 3 4
Sample Output 1
6
The following six sequences satisfy the conditions.
- (1,1)
- (1,2)
- (1,3)
- (2,1)
- (2,2)
- (3,1)
Sample Input 2
31 41 592
Sample Output 2
798416518
Be sure to print the count modulo 998244353.
输入格式
见题面 Input 部分
输出格式
见题面 Output 部分
样例输入
2 3 4
样例输出
6