제출 #472988

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
472988		hidden1	Brunhilda’s Birthday (BOI13_brunhilda)	C++14	61.90 / 100	1091 ms	888 KiB

brunhilda

#include <bits/stdc++.h>
using namespace std;
//#pragma GCC optimize ("O3")
//#pragma GCC target ("sse4")
#define endl "\n"
typedef long long ll;
template<class T, class T2> inline ostream &operator <<(ostream &out, const pair<T, T2> &x) { out << x.first << " " << x.second; return out;}
template<class T, class T2> inline istream &operator >>(istream &in, pair<T, T2> &x) { in >> x.first >> x.second; return in;}
template<class T, class T2> inline bool chkmax(T &x, const T2 &y) { return x < y ? x = y, 1 : 0; }
template<class T, class T2> inline bool chkmin(T &x, const T2 &y) { return x > y ? x = y, 1 : 0; }
const ll mod = 1e9 + 7;
#define debug(...) cout << "Line: " << __LINE__ << endl; \
    printDebug(", "#__VA_ARGS__, __VA_ARGS__)
template <typename T>
void printDebug(const char* name, T&& arg1) { cout << (name + 2) << " = " << arg1 << endl; }
template <typename T, typename... T2>
void printDebug(const char* names, T&& arg1, T2&&... args) {
    const char* end = strchr(names + 1, ',');
    cout.write(names + 2, end - names - 2) << " = " << arg1 << endl;
    printDebug(end, args...);
}

const int MAX_N = 1e5 + 10;
vector<int> arr;
int n, q;

const int MAX_Q = 1e8 + 10;
int dp[MAX_Q];

signed main() {
    ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
    cin >> n >> q;
    arr.resize(n);
    for(int i = 0; i < n; i ++) {
        cin >> arr[i];
    }

    sort(arr.begin(), arr.end());
    arr.resize(unique(arr.begin(), arr.end()) - arr.begin());

    while(q --) {
        int now;
        int cnt = 0;
        cin >> now;
        while(now) {
            int best = 0;
            for(int i = n - 1; i >= max(0, n - 30); i --) {
                chkmax(best, now % arr[i]);
            }
            if(best == 0) {
                cout << "oo" << endl;
                break;
            }
            now -= best;
            cnt ++;
        }
        if(!now) {
            cout << cnt << endl;
        }
    }
    return 0;
}

• Subtask 1: 20 / 20
• Subtask 2: 13.333333333333334 / 20
• Subtask 3: 28.571428571428573 / 60