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

#include <iostream>
#include <vector>
#include <algorithm>
#include <cstdio>
using namespace std;
vector<int> v;
int main()
{
    int x, n, m;
    scanf("%d%d",&n,&m);
    for(int i=0; i<n; i++)
    {
        scanf("%d",&x);
        v.push_back(x);
    }
    sort(v.begin(),v.end());
    for(int i=0; i<m; i++)
    {
        scanf("%d", &x);
        int pos = lower_bound(v.begin(),v.end(), x+1)- v.begin();
        printf("%d ",pos);
    }
     printf("\n");

    return 0;
}