if (stack.length 0 && stack[stack.length - 1] = curTime) {
Rendering a character as a lower block and then as an upper block gives you two “frames” of motion within the same character and looks much smoother.
。关于这个话题，爱思助手下载最新版本提供了深入分析
NYT Connections hints today: Clues, answers for February 27, 2026
if (n <= 1) return 0;