Submission #959999

#	Time	Username	Problem	Language	Result	Execution time	Memory
959999		Cookie	Gym Badges (NOI22_gymbadges)	C++14	100 / 100	141 ms	22208 KiB

Main

#include<bits/stdc++.h>
#include<fstream>
using namespace std;
#define sz(a) (int)a.size()
#define ALL(v) v.begin(), v.end()
#define ALLR(v) v.rbegin(), v.rend()
#define ll long long
#define pb push_back
#define forr(i, a, b) for(int i = a; i < b; i++)
#define dorr(i, a, b) for(int i = a; i >= b; i--)
#define ld long double
#define vt vector
#include<fstream>
#define fi first
#define se second
#define pll pair<ll, ll>
#define pii pair<int, int>
#define mpp make_pair
const ld PI = 3.14159265359, prec = 1e-9;;
//using u128 = __uint128_t;
//const int x[4] = {1, 0, -1, 0};
//const int y[4] = {0, -1, 0, 1};
const ll mod = 1e9 + 69, pr = 31;
const int mxn = 5e5 + 5, mxq = 1e5 + 5, sq = 300, mxv = 5e4 + 1;
//const int base = (1 <<18);
const ll inf = 1e18 + 5, neg = -69420, inf2 = 1e14;
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
// have fun!
// <3;

int n;
pll p[mxn + 1];
bool cmp(pll a, pll b){
    return(a.fi + a.se < b.fi + b.se);
}
void solve(){
    cin >> n;
    for(int i = 1; i <= n; i++)cin >> p[i].fi;
    for(int i = 1; i <= n; i++)cin >> p[i].se;
    sort(p + 1, p + n + 1, cmp);
    priority_queue<ll, vt<ll>>pq;
    ll tot = 0;
    for(int i = 1; i <= n; i++){
        if(tot > p[i].se){
            if(pq.top() > p[i].fi){
                tot -= pq.top(); tot += p[i].fi;
                pq.pop(); pq.push(p[i].fi);
            }
        }else{
            pq.push(p[i].fi); tot += p[i].fi;
        }
    }
    cout << sz(pq);
}


signed main(){
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    //freopen("netw.inp", "r", stdin);
    //freopen("netw.out", "w", stdout);
    int ttt; ttt = 1;
    while(ttt--){
        solve();

    }
    return(0);
}
/*
1
5 7 2
1 1 1
3 1 2
2 2 3
4 2 4
2 4 2
1 5 5
3 5 2
5 3
2 7
3 3 1
1 1 1
1 2 2
1 3 3
3 1
*/

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