Submission #1133487

#	Time	Username	Problem	Language	Result	Execution time	Memory
1133487		chinhhoang	Gym Badges (NOI22_gymbadges)	C++20	100 / 100	132 ms	10584 KiB

Main

#include <bits/stdc++.h>
using namespace std;
const int N=5e5;
struct gym{
    int a,b,c;
}A[N];
bool cmp(gym &a,gym &b){
    return a.c<b.c;
}
int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(NULL);cout.tie(NULL);
    int n;
    cin>>n;
    for(int i=1;i<=n;i++)cin>>A[i].b;
    for(int i=1;i<=n;i++)cin>>A[i].a,A[i].c=A[i].a+A[i].b;
    sort(A+1,A+n+1,cmp);
    long long w=0,cnt=0;
    priority_queue<long long>pq;
    for(int i=1;i<=n;i++){
        if(w<=A[i].a){
            w+=A[i].b;
            cnt++;
            pq.push(A[i].b);
        }else if(pq.size()&&pq.top()>A[i].b){
            w-=pq.top();
            pq.pop();
            pq.push(A[i].b);
            w+=A[i].b;
        }
    }
    cout<<cnt;
    return 0;
}

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