Submission #1369873

#TimeUsernameProblemLanguageResultExecution timeMemory
1369873edga1Festival (IOI25_festival)C++20
0 / 100
42 ms8488 KiB
#include <bits/stdc++.h>
#include "festival.h"
#define pb push_back
#define fi first
#define se second
#define ll long long
using namespace std;

const ll MAX=1e17;
vector<pair<ll,ll>> t1,t2,t3,t4;

vector<int> max_coupons(int A, vector<int> P, vector<int> T) {
    ll n=P.size(), a=A;
    for(ll i=0; i<n; i++){
        if(T[i]==1) t1.pb({P[i],i});
        if(T[i]==2) t2.pb({P[i],i});
        if(T[i]==3) t3.pb({P[i],i});
        if(T[i]==4) t4.pb({P[i],i});
    }
    sort(t1.begin(),t1.end());
    sort(t2.begin(),t2.end());
    sort(t3.begin(),t3.end());
    sort(t4.begin(),t4.end());
    vector<int> atb;
    ll p2=0,p3=0,p4=0;
    while(p2<t2.size() || p3<t3.size() || p4<t4.size()){
        ll g2=(p2<t2.size()?(a-t2[p2].fi)*2-a:-MAX);
        ll g3=(p3<t3.size()?(a-t3[p3].fi)*3-a:-MAX);
        ll g4=(p4<t4.size()?(a-t4[p4].fi)*4-a:-MAX);
        if(p2<t2.size()){
            g3*=2;
            g4*=2;
        }
        if(p3<t3.size()){
            g2*=3;
            g4*=3;
        }
        if(p4<t4.size()){
            g2*=4;
            g3*=4;
        }
        if(g2>=max(g3,g4)){
            atb.pb(t2[p2].se);
            a=(a-t2[p2].fi)*2;
            p2++;

        }
        else if(g3>=g4){
            atb.pb(t3[p3].se);
            a=(a-t3[p3].fi)*3;
            p3++;
        }
        else{
            atb.pb(t4[p4].se);
            a=(a-t4[p4].fi)*4;
            p4++;
        }
        a=min(a,MAX);
    }
    for(ll i=0; i<t1.size(); i++) atb.pb(t1[i].se);
    return atb;
}
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