英语翻译The first line of the input contains an integer T,T < 15

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英语翻译
The first line of the input contains an integer T,T < 150,which is the number of test cases.
In each test case,there is a positive integer N,in the range [1,200],which is the number of trees.The next N lines each has two integers Xi and Yi indicating the coordinates of the i-th tree.The values of the coordinates are between -10,000 and 10,000 inclusively.All the trees and the observer have different positions.
不要用机器

输入的第一行包含一个整数T作为测试用例的数量,要求T小于150.
在每个测试用例中都有一个正整数N代表树的数量,要求范围是[1,200].
在接下来的N行中每行都有两个整数Xi和Yi表示第i颗树的坐标.XY坐标值的范围均在-10,000到10000之间（包含-10,000和10,000）.所有的树和观察者都处于不同的位置.
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