m0_53921137的博客

https://www.luogu.com.cn/problem/P2249关于简单的二分题目点链接#include#include#include#includeusing namespace std;const int N=1000000;int n,m,a[N],x,b[N];int findnum(int x){ int l=1,r=n,mid;while(l<r) {mid=(l+r)/2;if(a[mid]>=x)r=mid;elsel=