Submission #977020

#	Time	Username	Problem	Language	Result	Execution time	Memory
977020		SeenSiravit	Ice Hockey World Championship (CEOI15_bobek)	C++14	40 / 100	72 ms	604 KiB

bobek

#include<bits/stdc++.h>
#define ll long long

using namespace std;

const int mxN = 40 + 5;

int n;
ll m;
ll a[mxN];

void bruteforce(){
    ll ans = 0;
    ll lim = 1<<n;


    for(int mask=0;mask<lim;mask++){
        ll sum = 0;

        for(int i=0;i<n;i++){
            if((1<<i) & mask) sum += a[i];
            if(sum > m) break;
        }

        if(sum <= m) ans++;
    }

    cout<< ans;
}

int main(){
    ios::sync_with_stdio(0),cin.tie(0);

    cin>> n >> m;

    for(int i=0;i<n;i++) cin>> a[i];

    bruteforce();


    return 0;
}

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 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