giúp mình vơi .....................c++

#include <bits/stdc++.h>
#define ll long long
using namespace std;

int main() {
    ll n,m,a[100005],b[100005];
    cin >> n >> m;
    for (int i=0;i<n;i++){
        cin >> a[i];
    }
    for (int i=0;i<m;i++){
        cin >> b[i];
    }
    sort(a,a+n);
    for (int i=0;i<m;i++){
        int pos=lower_bound(a,a+n,b[i])-a;
        cout << n-pos << " ";
    }
    return 0;
}

$\color{#1fdb91}{\texttt{C}}\color{#0aaec9}{\texttt{+}}\color{#e9418e}{\texttt{+}}$

#include <bits/stdc++.h>

#define all(v) v.begin(), v.end()

using namespace std;

int main() {
    
    ios_base::sync_with_stdio(false);
    cin.tie(NULL); cout.tie(NULL);
    
    int n, m; cin >> n >> m;
    vector<int> h(n);
    
    for (int& i:h) cin >> i;
    sort(all(h));
    
    for (int i=1; i<=m; ++i) {
        int tmp; cin >> tmp;
        cout << h.end() - lower_bound(all(h), tmp) << ' ';
    }
    
}

$\\$
\begin{array}{c|c|c}\color{#ffd710}{\texttt{\{}} \color{#8655d6}{\texttt{\{}}\ \ \color{#8cdcda}{\text{Daoanhviet96}}\ \ \color{#8655d6}{\texttt{\}}} \color{#ffd710}{\texttt{\}}}\end{array}