目录 Missing a Point Chefina and Swaps Doctor Chef Chef and Dragon Dens LCM Constraints Weird Product Expected Repetitions Expected Spanning Trees 要看题解可以看 FSYo 写的,反正都是他跟我讲的做法,我一道都不会. Missing a Point 模拟. code Chefina and Swaps 贪心. code Doctor Chef dp. c…