17/18 Q2: Counting in Sorted Vectors; X84777

#include <iostream>
#include <vector>
using namespace std;

vector<int> read_vector(int n) {
   vector<int> v(n);
   // add your code here
   // ...
   for(int i=0; i<n; ++i) cin >> v[i];
   return v;
}

int count_elements(const vector<int>& v, int x) {
   // add your code here
    int count=0;
    for(int i=0; i<v.size(); ++i){
        if(v[i]==x) ++count;
    }
    return count;
}

int main() {
   int n;
   while (cin >> n) {
      vector<int> v = read_vector(n);
      int nqueries;
      cin >> nqueries;
      for (int i =0; i < nqueries; ++i) {
         int x;
         cin >> x;
         cout << count_elements(v,x) << endl;
      }
   }
}