Submission #802862

#	Time	Username	Problem	Language	Result	Execution time	Memory
802862		Theo830	Gym Badges (NOI22_gymbadges)	C++17	100 / 100	496 ms	46456 KiB

Main

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define f(i,a,b) for(ll i = a;i < b;i++)
#define pb push_back
#define ii pair<ll,ll>
#define F first
#define S second
int main(){
    ll n;
    cin>>n;
    ll a[n],b[n];
    f(i,0,n){
        cin>>a[i];
    }
    f(i,0,n){
        cin>>b[i];
    }
    vector<ii>arr;
    f(i,0,n){
        arr.pb(ii(a[i]+b[i],a[i]));
    }
    sort(arr.begin(),arr.end());
    ll sum = 0;
    multiset<ll>ex;
    f(i,0,n){
        if(sum + arr[i].S <= arr[i].F){
            sum += arr[i].S;
            ex.insert(arr[i].S);
        }
        else{
            sum += arr[i].S;
            ex.insert(arr[i].S);
            auto it = ex.rbegin();
            sum -= (*it);
            ex.erase(ex.find((*it)));
        }
    }
    cout<<ex.size()<<"\n";
}

• Subtask 1: 15 / 15
• Subtask 2: 9 / 9
• Subtask 3: 27 / 27
• Subtask 4: 49 / 49