cidefirces Educational Codeforces Round 2 B Queries about less or equal elements

B. Queries about less or equal elements

 
 

You are given two arrays of integers a and b. For each element of the second array bj you should find the number of elements in array a that are less than or equal to the value bj.

Input

The first line contains two integers n, m (1 ≤ n, m ≤ 2·105) — the sizes of arrays a and b.

The second line contains n integers — the elements of array a ( - 109 ≤ ai ≤ 109).

The third line contains m integers — the elements of array b ( - 109 ≤ bj ≤ 109).

Output

Print m integers, separated by spaces: the j-th of which is equal to the number of such elements in array a that are less than or equal to the value bj.

Sample test(s)
Input
5 4
1 3 5 7 9
6 4 2 8
Output
3 2 1 4
Input
5 5
1 2 1 2 5
3 1 4 1 5
Output
4 2 4 2 5
 1 #include<cstdio>
 2 #include<vector>
 3 #include<cmath>
 4 #include<queue>
 5 #include<map>
 6 #include<cstring>
 7 #include<algorithm>
 8 using namespace std;
 9 typedef long long ll;
10 typedef unsigned long long ull;
11 const int maxn=2e5+5;
12 int main()
13 {
14     int n,m;
15     int a[maxn];
16     scanf("%d%d",&n,&m);
17     for(int i=0;i<n;i++)
18         scanf("%d",&a[i]);
19     sort(a,a+n);
20     for(int i=0;i<m;i++)
21     {
22         int tt;
23         scanf("%d",&tt);
24         int pos=lower_bound(a,a+n,tt+1)-a;
25         printf("%d ",pos);
26     }
27     return 0;
28 }
原文地址:https://www.cnblogs.com/homura/p/5002171.html