輸入有兩行每行有2個數字代表2階方陣
輸入4個0表示結束
輸出此方陣的反方陣
若此方陣無反方陣則輸出cheat!
1 2 3 4 1 1 1 1 0 0 0 0
-2.00000 1.00000 1.50000 -0.50000 cheat!
ID | User | Problem | Subject | Hit | Post Date |
25384 |
|
d623 | 918 | 2021-05-17 21:45 | |
16171 | giant0620 (BlenderWang) | d623 | 1362 | 2018-12-01 16:22 | |
15281 |
|
d623 | 1564 | 2018-09-26 00:01 |