Submission #448456

#	Time	Username	Problem	Language	Result	Execution time	Memory
448456		BT21tata	Ice Hockey World Championship (CEOI15_bobek)	C++17	20 / 100	84 ms	284 KiB

bobek

#include<bits/stdc++.h>
// #pragma GCC target ("avx,avx2,fma")
// #pragma GCC optimize("Ofast")
// #pragma GCC optimize("unroll-loops")
typedef long long ll;
typedef long double ld;
#define SPEED ios_base::sync_with_stdio(false); cin.tie(0), cout.tie(0)
#define rall(v) (v).rbegin(),(v).rend()
#define all(v) (v).begin(),(v).end()
#define OK cerr<<"OK"<<endl<<flush
#define pii pair<int, int>
#define pll pair<ll, ll>
#define pb push_back
#define F first
#define S second
#define y0 jahdakdh
#define y1 jahsadakdakdh
#define endl '\n'
using namespace std;
const ll MOD=1e9+7;
// mt19937 rng(std::chrono::system_clock::now().time_since_epoch().count());

int n, m, a[45];
ll ans;
int main()
{
    SPEED;
    cin>>n>>m;
    for(int i=0; i<n; i++)
        cin>>a[i];
    for(ll i=0; i<(1<<n); i++)
    {
        ll sum=0;
        for(ll j=0; j<n; j++)
        {
            if(i&(1<<j)) sum+=a[j];
        }
        ans+=1ll*(sum<=m);
    }
    cout<<ans<<endl;
    return 0;
}

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 0 / 10
• Subtask 4: 0 / 10
• Subtask 5: 0 / 10
• Subtask 6: 0 / 10
• Subtask 7: 0 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 10
• Subtask 10: 0 / 10