이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include <bits/stdc++.h>
#define loop(i, a, b) for(int i=a;i<b;i++)
using namespace std;
typedef long long ll;
map<ll, ll> dp;
int main(){
ll n, m, t;cin>> n >> m;
dp[0]=1;
loop(agsdgs, 0, n){
cin >> t;
map<ll, ll> dp2=dp;
for(auto&& i:dp) if(i.first+t<=m) dp2[i.first+t]+=i.second;
dp=dp2;
}
ll ans=0;
for(auto&& i:dp) ans+=i.second;
cout << ans;
return 0;
}
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