Submission #283207

#	Time	Username	Problem	Language	Result	Execution time	Memory
283207		Atill83	Brunhilda’s Birthday (BOI13_brunhilda)	C++14	5.87 / 100	43 ms	1400 KiB

brunhilda

#include <bits/stdc++.h>
#define ff first
#define ss second
#define endl '\n'
using namespace std;
const long long INF = (long long) 1e18;
const int mod = (int) 1e9+7;
const int MAXN = (int) 3e5+5;

typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
ll m, q;
ll p[MAXN];

bool check(int n){

    for(int i = 0; i < (1<<m); i++){
        int cur = n;
        for(int j = m - 1; j >= 0; j--){
            if((1<<j)&i){
                cur = cur - cur % p[j];
            }
        }
        if(cur < p[m - 1]) return 1;
    }
    return 0;
}



int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);cout.tie(nullptr);

    #ifdef Local
        freopen("C:/Users/Admin/Desktop/Yazilim/C/IO/int.txt","r",stdin);
        freopen("C:/Users/Admin/Desktop/Yazilim/C/IO/out.txt","w",stdout);
    #endif

    cin>>m>>q;

    for(int i = 0; i < m; i++){
        cin>>p[i];
    }

    for(int i = 0; i < q; i++){
        int n;
        cin>>n;
        if(p[m - 1] > n){
            cout<<1<<endl;
        }else{
            if(m <= 9 && check(n) == 0){
                cout<<"oo\n";
            }else{
                cout<<(n / p[m - 1] + 1)*2 - 1<<endl;   

            }
        }
    }

    #ifdef Local
        cout<<endl<<fixed<<setprecision(2)<<1000.0 * clock() / CLOCKS_PER_SEC<< " milliseconds ";
    #endif
}

• Subtask 1: 1.1111111111111112 / 20
• Subtask 2: 3.3333333333333335 / 20
• Subtask 3: 1.4285714285714286 / 60