Submission #1160960

#	Time	Username	Problem	Language	Result	Execution time	Memory
1160960		Nonoze	Brunhilda’s Birthday (BOI13_brunhilda)	C++20	0 / 100	1109 ms	327680 KiB

brunhilda

/*
*	Author: Nonoze
*	Created: Monday 03/03/2025
*/
#include <bits/stdc++.h>
using namespace std;

#ifndef IN_LOCAL
	#define dbg(...)
#endif

// #define cout cerr << "OUT: "
#define endl '\n'
#define endlfl '\n' << flush
#define quit(x) return (void)(cout << x << endl)

template<typename T> void read(T& x) { cin >> x;}
template<typename T1, typename T2> void read(pair<T1, T2>& p) { read(p.first), read(p.second);}
template<typename T> void read(vector<T>& v) { for (auto& x : v) read(x); }
template<typename T1, typename T2> void read(T1& x, T2& y) { read(x), read(y); }
template<typename T1, typename T2, typename T3> void read(T1& x, T2& y, T3& z) { read(x), read(y), read(z); }
template<typename T1, typename T2, typename T3, typename T4> void read(T1& x, T2& y, T3& z, T4& zz) { read(x), read(y), read(z), read(zz); }
template<typename T> void print(vector<T>& v) { for (auto& x : v) cout << x << ' '; cout << endl; }

#define sz(x) (int)(x.size())
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define make_unique(v) sort(all(v)), v.erase(unique(all(v)), (v).end())
#define pb push_back
#define mp(a, b) make_pair(a, b)
#define fi first
#define se second
#define cmin(a, b) a = min(a, b)
#define cmax(a, b) a = max(a, b)
#define YES cout << "YES" << endl
#define NO cout << "NO" << endl
#define QYES quit("YES")
#define QNO quit("NO")

#define int long long
#define double long double
const int inf = numeric_limits<int>::max() / 4;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
const int MOD = 1e9+7, LOG=20;


void solve();

signed main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	int tt=1;
	// cin >> tt;
	while(tt--) solve();
	return 0;
}

// 664579 30130317


int n, k, m, q;
vector<int> a;


void solve() {
	read(m, q);
	a.clear(), a.resize(m); read(a);
	vector<signed> dp(10000001); dp[0]=0;
	multiset<signed> st; for (int i=0; i<m; i++) st.insert(0);
	vector<vector<signed>> res(10000001); for (int i=0; i<m; i++) res[a[i]].pb(i);
	for (int i=1; i<sz(dp); i++) {
		for (auto u: res[i]) st.erase(st.find(i-a[u]));
		if (st.empty()) dp[i]=1000000000;
		else dp[i]=min(1000000000, dp[*st.begin()]+1);

		for (auto u: res[i]) {
			st.insert(i);
			if (i+a[u]<sz(dp)) res[i+a[u]].pb(u);
		}
		res[i].clear();
	}
	while (q--) {
		read(n);
		if (dp[n]==1000000000) cout << "oo" << endl;
		else cout << dp[n] << endl;
	}
}

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