Airplane
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Description
飞机向北飞行 x km,再向西飞 y km ,再向南飞 x km ,最后再向东飞 y km
问最后飞机距离起始位置的距离
地球半径 R = 6371 km
飞机飞行高度 h = 10 km
圆周率取 3.14
不考虑地球自转,飞机仅在北半球飞
Input
第一行输入一个数字 T 表示接下来有 T 组测试数据( T <= 10 )
接下来 T 行每行输入两个整数 x 、 y ,含义如 Description 所示, x, y <= 10000;
Output
对于每个测试样例输出一个数,结果向上取整
Format
Input
1
100 0
Output
0
SWPU ROUND #4(DIV.3)
- Status
- Done
- Rule
- ACM/ICPC
- Problem
- 6
- Start at
- 2021-11-27 9:00
- End at
- 2021-11-27 11:30
- Duration
- 2.5 hour(s)
- Host
- Partic.
- 26