This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include<bits/stdc++.h>
using namespace std;
#define int long long
#define ff first
#define ss second
#define pb push_back
#define double long double
const int N=2e5+5;
int a[N];
int dp[N*300];
int b[N];
signed main(){
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int n,p;
cin>>n>>p;
for(int i=0;i<n;i++)cin>>a[i];
int cnt=0;
for(int i=0;i<(1<<n);i++){
int k=0;
for(int j=0;j<n;j++){
if((1<<j)&i){
k+=a[j];
}
}
if(k<=p)cnt++;
}
cout<<cnt;
}
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