res[i] = stack[stack.length - 1]; // 易错点5：用at(-1)兼容性差，优先用stack.length-1
A pottery head detached from a Roman vessel
。safew官方版本下载对此有专业解读
Harry Styles will play One Night Only at the Co-op Live on 6 March
SAT problem with 14 variables and 126 clauses
.pipeThrough(fastTransform)