Submission #869003

#	Time	Username	Problem	Language	Result	Execution time	Memory
869003		bobbilyking	Brunhilda’s Birthday (BOI13_brunhilda)	C++17	20 / 100	3 ms	1880 KiB

brunhilda

#pragma GCC target ("avx2")
#pragma GCC optimize ("O3")
#pragma GCC optimize ("unroll-loops")

#include<bits/stdc++.h>
#include<math.h>
using namespace std;

typedef int ll;
typedef long double ld;
typedef pair<ll, ll> pl;

#define K first
#define V second
#define G(x) ll x; cin >> x;
#define GD(x) ld x; cin >> x;
#define GS(s) string s; cin >> s;
#define EX(x) { cout << x << '\n'; exit(0); }
#define A(a) (a).begin(), (a).end()
#define F(i, l, r) for (ll i = (l); i < r; ++i)

#define NN 10010
#define M 1000000007 // 998244353

ll dp[NN];

ll last_p_dp[NN]; // last multiple of P's dp value
vector<ll> upd[NN]; // this prime gets a new dp value at this step

int main(){
//    freopen("a.in", "r", stdin);
//    freopen("a.out", "w", stdout);

    ios_base::sync_with_stdio(false); cin.tie(0);
    cout << fixed << setprecision(20);
    G(n) G(q)
    map<ll, ll> v; // might tle; replace with map?
    F(i, 0, n) {
        G(p)
        upd[p].push_back(p);
        v[0]++;
    }
    dp[0] = 0;    
    F(i, 1, NN) {
        for (auto x: upd[i]) {
            if (i + x < NN) upd[i+x].push_back(x);
            if (!--v[last_p_dp[x]]) v.erase(last_p_dp[x]);
        }
        dp[i] = (v.size() ? v.begin()->K : NN) + 1;
        for (auto x: upd[i]) {
            last_p_dp[x] = dp[i];
            v[dp[i]]++;
        }
        upd[i].clear();
    }

    while (q--){
        G(x) 
        if (dp[x] >= NN) cout << "oo\n"; else cout << dp[x] << '\n';
    }
    
}

• Subtask 1: 20 / 20
• Subtask 2: 0 / 20
• Subtask 3: 0 / 60