제출 #493708

#제출 시각아이디문제언어결과실행 시간메모리
493708_Monkey_Brunhilda’s Birthday (BOI13_brunhilda)C++17
51.43 / 100
1099 ms39900 KiB
#include<bits/stdc++.h>
using namespace std;

#define ll long long
#define el '\n'
#define ld long double
const int maxn=1e5+1,nn=1e7+1;
int a[maxn],n,m,q,p,oo,ans,k,f[nn];
int t;
bool ok;
void check(){
    t=1;
    ok=0;
    for(int i=0;i<m;++i){
        k=t*a[i];
        if(t*a[i]<t || t*a[i]>oo || k/a[i]!=t){
            ok=1;
            return;
        }
        t=t*a[i];
    }
}
int sol(int z){
    if(f[z]>=0) return f[z];
    int ma=0;
    for(int i=m-1;i>=0;--i){
        if(ma>=a[i]) break;
        if(z%a[i]>ma) ma=z%a[i];
    }
    return sol(z-ma)+1;
}
int main(){
    ios_base::sync_with_stdio(0);cin.tie(0);
    cin >> m >> q;
    for(int i=0;i<m;++i) cin >> a[i];
    sort(a+0,a+m);
    memset(f,-1,sizeof f);
    f[0]=0;
    oo=1e7;
    check();
    while(q--){
        cin >> n;
        if(ok){
            cout << sol(n);
        } else {
            if(n>=t){
                cout << "oo";
            } else {
                cout << sol(n);
            }
        }
        cout << el;
    }
    return 0;
}
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