Submission #1121505

#	Time	Username	Problem	Language	Result	Execution time	Memory
1121505		vjudge1	Ice Hockey World Championship (CEOI15_bobek)	C++17	40 / 100	1057 ms	44520 KiB

bobek

#include <bits/stdc++.h>
using namespace std;
#define int long long

int min(int a,int b){
    return (a < b ? a : b);
}
int max(int a,int b){
    return (a > b ? a : b);
}

signed main(){
    int n,m;
    cin >> n >> m;
    vector<int> sira(n);
    for(auto &i : sira)cin >> i;
    unordered_map<int,int> mp;
    int fsst = min(20,n);
    for(int mask=0;mask<(1 << fsst);++mask){
        int curr = 0;
        for(int i=0;i<fsst;++i){
            if(mask & (1 << i))curr += sira[i];
        }
        if(curr > m)continue;
        else mp[curr]++;
    }
    fsst = n - 20;
    int cvb=0;
    fsst = max(fsst,0);
    for(int mask=0;mask < (1 << fsst);++mask){
        int curr = 0;
        for(int i=20;i<n;++i){
            if(mask & (1 << (i - 20)))curr +=sira[i];
        }
        if(curr > m)continue;
        else{
            for(auto &i : mp){
                if(i.first > m - curr)break;
                cvb += i.second;
            }
        }
    }
    cout << cvb;
}

• 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