“Remember when I pulled up and said get in the car, and then cancelled my plans just in case you’d call, back when I was living for the hope of it all.”
After death by a thousand cuts, he found his love. He has two parameter a and b, and he wants to show his lover a piece of drawing bounded by the following math curves.
“Goodbye to the friends I’ve had, goodbye to my upstairs neighbor, goodbye to the kids downstairs, and anybody who lend me a favor.”
“Or, goodbye to the positive proper divisor?”
That game is popular these days. Two player take turns to choose a specific number and claim it. The player who takes the first turn chooses one positive proper divisor of given n. In the next rounds, player should choose one positive proper divisor (真因数) of the number claimed in the previous round. The player who can’t make a choice will win.
比赛太下饭，硕硕吃撑了很生气。看着排行榜上WA的次数，拍着肚皮的硕硕就想留个作业。
参赛的每个学生都至少WA了一次，硕硕把每个学生WA的次数列了出来。现在硕硕想知道怎样去掉一些数字，可以让尽可能多的WA的次数对应在其排列的位置上。
硕硕：你们自己WA的次数，自己去处理吧🥧🍚。
第一行为一个整数n，表示参赛人数。
接下来n个数，每个数分别代表参赛学生WA的次数。
一个整数，表示去掉某些WA的次数后，最后剩下的数列中最多可以有多少个数在对应的位置上
