제출 #1321836

#제출 시각아이디문제언어결과실행 시간메모리
1321836Ludissey축제 (IOI25_festival)C++20
24 / 100
53 ms9756 KiB
#include "festival.h"
#include <bits/stdc++.h>
#define int long long
#define sz(a) (int)a.size()
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()
using namespace std;
vector<vector<vector<vector<int>>>> dp;
vector<vector<vector<vector<pair<int,int>>>>> prv;
int n;
vector<vector<pair<int,int>>> v(4);

const int MAX_VAL=1e15;

std::vector<signed> max_coupons(signed A, std::vector<signed> P, std::vector<signed> T) {
    v.resize(4);
    n=sz(P);
    for (int i = 0; i < n; i++) v[T[i]-1].push_back({P[i],i});
    for (int i = 0; i < 4; i++) sort(all(v[i]));
    vector<int> pref(sz(v[0]));
    for (int i = 0; i < sz(v[0]); i++)
    {
        pref[i]=v[0][i].first;
        if(i>0) pref[i]+=pref[i-1];
    }
    int mxI=0;
    int mx=0;
    int a=A;
    for (int i = 0; i <= sz(v[1]); i++)
    {
        if(a<0) break;
        int up=upper_bound(all(pref), a)-pref.begin();
        if(i+up>mx){
            mx=i+up;
            mxI=i;
        }
        if(i<sz(v[1])) a=min(MAX_VAL,(a-v[1][i].first)*2);
    }
    a=A;
    vector<signed> outp;
    for (int i = 0; i < mxI; i++)
    {
        outp.push_back(v[1][i].second);
        a=min(MAX_VAL,(a-v[1][i].first)*2);
    }
    for (int i = 0; i < sz(v[0]); i++)
    {
        if(a<v[0][i].first) break;
        outp.push_back(v[0][i].second);
        a-=v[0][i].first;
    }
    return outp;
}
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