Submission #283228

#	Time	Username	Problem	Language	Result	Execution time	Memory
283228		Atill83	Brunhilda’s Birthday (BOI13_brunhilda)	C++14	49.21 / 100	995 ms	40568 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) 1e7+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[(int)1e5 + 5];
int ans[MAXN];



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;
    memset(ans, 0x7f, sizeof(ans));
    for(int i = 0; i < m; i++){
        cin>>p[i];
    }

    for(int i = 1; i < p[m - 1]; i++){
        ans[i] = 1;
    }

    for(int i = p[m - 1]; i <= 1e7; i++){
        //int mnI = -1;
        for(int j = m - 1; j >= max(m - 10, 0LL); j--){
            if(i % p[j] == 0) continue;
            if(ans[i - i % p[j]] + 1 < ans[i]){
                ans[i] = ans[i - i % p[j]] + 1;
                //mnI = j;
            }
        }
        //cout<<ans[i]<<" "<<mnI<<endl;
    }

    for(int i = 0; i < q; i++){
        int n;
        cin>>n;
        if(ans[n] > 1e7){
            cout<<"oo"<<endl;
        }else{
            cout<<ans[n]<<endl;
        }
    }

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

• Subtask 1: 16.666666666666668 / 20
• Subtask 2: 11.11111111111111 / 20
• Subtask 3: 21.428571428571427 / 60