题目描述
Chef Dengklek will open a new restaurant in the city. The restaurant will be open for N days. He can cook M different types of dish. He would like to cook a single dish every day, such that for the entire N days, he only cook at most K distinct types of dishes.
In how many ways can he do that?
------ Input ------
The first line contains a single integer T, the number of test cases. T test cases follow. Each test case consists of a single line consisting of three integers N, M, K.
------ Output ------
For each test case, output a single line consisting the number of different ways he can cook for the entire N days, modulo 1000000007.
------ Constraints ------
$1 ≤ T ≤ 100$
$1 ≤ N ≤ 1000$
$1 ≤ M ≤ 1000000$
$1 ≤ K ≤ 1000$
----- Sample Input 1 ------
4
1 1 1
2 2 2
4 3 2
5 7 3
----- Sample Output 1 ------
1
4
45
5887
输入格式
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输出格式
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