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Someone has let a goat in a square kitchen-garden and had bound it to a stake. The stake is driven into the ground in the very midst of the square. The goat is hungry as a hunter and very voracious, and eats everything that can be reached without leaving the square and tearing the roap. What area of the kitchen-garden will be ate round?
There are several test cases.Each contains lengths of the garden sides and a cord length in meters (natural numbers not exceeding $100$, located in one line and separated with a space).
Should contain an area of the kitchen-garden (in square meters to within $3$ symbols after a decimal point), ate round by the goat.
10 6
95.091
| 题目 | 计分 |
|---|---|
| A | 100 |
| B | 100 |
| C | 100 |
| D | 100 |
| E | 100 |
| F | 100 |
| G | 100 |