题目描述
There are N bugs to be repaired and some engineers whose abilities are roughly equal. And an engineer can repair a bug per day. Each bug has a deadline A[i].
Question: How many engineers can repair all bugs before those deadlines at least?
1<=n<= 1e6. 1<=a[i] <=1e9
输入格式
There are multiply test cases.
In each case, the first line is an integer N , indicates the number of bugs. The next line is n integers indicates the deadlines of those bugs.
输出格式
There are one number indicates the answer to the question in a line for each case.
输入样例 复制
4
1 2 3 4
输出样例 复制
1