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OI-codes/Luogu/problem/P2676/P2676.cpp

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// R38819026
#include<bits/stdc++.h>
using namespace std;
int main() {
int n, h[20005], b, sum=0, i;
cin >> n >> b;
for(i = 0 ; i < n ; i++) {
cin >> h[i];
}
sort(h, h+n);
while(sum < b) {
sum += h[--i];
}
cout << n-i << endl;
return 0;
}