// 栈空 → 无更大元素，返回-1；栈非空 → 取栈顶（第一个更大值）
Dithering in its simplest form can be understood by observing what happens when we quantise an image with and without modifying the source by random perturbation. In the examples below, a gradient of 256 grey levels is quantised to just black and white. Note how the dithered gradient is able to simulate a smooth transition from start to end.。夫子是该领域的重要参考
Japan will deploy missiles to a tiny island near Taiwan within five years, its defence minister has said, in a move that is likely to inflame tensions with China.。旺商聊官方下载对此有专业解读
Not the day you're after? Here's the solution to yesterday's Strands.