Alex goes shopping question

#1

I m attaching code below can you please tell what’s wrong

#include

using namespace std;
int main() {
int n;
cin>>n;
int arr[n];
for(int i=0;i<n;i++)
{
cin>>arr[i];
}
//Sorting array
for(int i=0;i<n;i++)
{
for(int j=0;j<n;j++)
{
if(arr[i]<arr[j])
{
int swap=arr[i];
arr[i]=arr[j];
arr[j]=swap;
}
}
}
/for(int i=0;i<n;i++)
{
cout<<arr[i];
}/
int q;
cin>>q;
int m[q]={0};
int count =0;
int sum=0;
while(count<q)
{
int money,qty,ans;
cin>>money>>qty;
ans=0;
for(int i=0;i<n;i++)
{
if(arr[i]==money)
{
ans++;
}
sum+=arr[i];
if(i!=0)
{

            if(sum==money)
            {
                ans=ans+i+1;
            }     
        }       
    }
    if(qty==ans)
    {
        m[count]=1;
    }
    else
    {
        m[count]=0;
    }
    sum=ans=0;

    count++;

}
for(int i=0;i<q;i++)
{
    if(m[i]==1)
    {
        cout<<"Yes"<<endl;
    }
    else
    {
        cout<<"No"<<endl;
    }
}

return 0;
}

#2

@asta please share your code using cb.lk/ide
Notice that the question says that Alex wants to spend all the money, ie A amount must be spent using at least k different items.

#3

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