Geeksforgeeks Solution For " Count the Zeros "

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Problem :- Count the Zeros

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Solution :- 

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

int main()
{
    int t;
    cin>>t;
    while(t--)
    {
        int n,i,count=0;
        cin>>n;
        vector<int> arr(n);
        for(i=0;i<n;i++)
        cin>>arr[i];
        sort(arr.begin(),arr.end());
        for(i=0;i<n;i++)
        {
            if(arr[i]==0)
            count++;
        }
        cout<<count<<endl;
        
    }
    return 0;
}

Output:-