CODEIT01 - TREE SHAPES

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TREE SHAPES

Problem Statement:

Given n, the number of nodes, find the number of different possible binary trees that can be constructed. A tree differs from another tree if it’s shape looks different.

Input Specification:

The first line is an integer t, denoting the number of test cases. Then each test case consists of one integer n, the number of nodes.

Output Specification:

For each test case print the number of possible trees that can be constructed using n nodes in a separate line.

Print the answer mod 10^9+7.

Input Constraints:

1<=t<=100

1<=n<=50

 

Sample Input:

4
1
2
3
4

Sample Output:

1
2
5
14

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knb_dtu: 2014-04-17 10:32:43

I'm getting WA plz check my solution
ID:10378058


Added by:cegprakash
Date:2012-01-09
Time limit:1s
Source limit:50000B
Memory limit:1536MB
Cluster: Cube (Intel G860)
Languages:All except: ASM64 GOSU