New RestaurantProblem code: NEWREST |
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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
Example
Input:4 1 1 1 2 2 2 4 3 2 5 7 3Output:
1 4 45 5887
| Date: | 2011-09-06 |
| Time limit: | 2s |
| Source limit: | 50000B |
| Languages: | All |
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Program should read from standard input and write to standard output.
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