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B.cpp
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44 lines (44 loc) · 802 Bytes
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#include<bits/stdc++.h>
using namespace std;
bool compare(int a,int b)
{
return a>b;
}
int main()
{
long long t,n,x;
cin>>t;
while(t--)
{
cin>>n>>x;
long long a[n],i;
for(int i=0;i<n;i++)
cin>>a[i];
vector <long long> v;
long long e=0,r=0,c1=0,c2=0;
for(i=0;i<n;i++)
{
if(a[i]>=x)
{
e+=a[i]-x;
c1++;
}
else
{
v.push_back(a[i]);
}
}
sort(v.begin(),v.end(),compare);
for(i=0;i<v.size();i++)
{
r=x-v[i];
if(r<=e)
{
c2++;
e=e-r;
}
}
cout<<c1+c2<<endl;
}
return 0;
}