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Problem 1055. -- How Many Pieces of Land?

How Many Pieces of Land?

Time Limit: 1 Sec  Memory Limit: 64 MB
Submit: 0  Solved: 0
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Description

You are given an elliptical-shaped land and you are asked to choose n arbitrary points on its boundary. Then you connect each point with every other point using straight lines, forming n(n - 1)/2 connections. What is the maximum number of pieces of land you will get by choosing the points on the boundary carefully? Dividing the land when n = 6.

Input

The first line of the input file contains one integer s (0 < s < 3, 500), which indicates how many input instances there are. The next s lines describe s input instances, each consisting of exactly one integer n (The first line of the input file contains one integer s (0 < s < 3, 500), which indicates how many input instances there are. The next s lines describe s input instances, each consisting of exactly one integer n (0<=n <231).

Output

For each input instance output the maximum possible number pieces of land defined by n points, each printed on its own line.

```4
1
2
3
4```

```1
2
4
8

```

Source

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