您如何擾動多邊形,使其多邊形的兩個邊都不在同一條線上? [英]How do you perturb a polygon so no two of its edges lie on the same line?
如何在不使用存儲陣列的情況下將 2D 陣列旋轉 90 度? [英]How do you rotate a 2D array 90 degrees without using a storage array?