Submission #1166516

#	Time	Username	Problem	Language	Result	Execution time	Memory
1166516		tsengang	Bikeparking (EGOI24_bikeparking)	C++20	25 / 100	157 ms	19024 KiB

Main

#include <bits/stdc++.h>
#define ll long long
#define ff first
#define ss second
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()
#define pb push_back
#define ertunt return
#define vodka void
#define sleepearly ertunt
using namespace std;
int main() {
    ll n;
    cin >> n;
    vector<ll> a(n);
    for (ll i = 0; i < n; i++) cin >> a[i];
    set<ll> s;
    vector<ll> b(n);
    for(ll i = 0; i < n; i++){
        cin >> b[i];
        if(b[i] > 0) s.insert(i);
    }
    ll ans = 0;
    for(ll i = 0; i < n; i++){
        while(a[i] > 0 && !s.empty()){
            auto it = s.upper_bound(i);
            if(it == s.end()) break;
            ll j = *it;
            ll x = min(a[i], b[j]);
            ans += x;
            a[i] -= x;
            b[j] -= x;
            if(b[j] == 0) s.erase(it);
        }
    }
    for(ll i = 0; i < n;i++){
        ans-=max(0ll,b[i] - a[i]);
    }
    cout << ans;
}

• Subtask 1: 16 / 16
• Subtask 2: 9 / 9
• Subtask 3: 0 / 19
• Subtask 4: 0 / 24
• Subtask 5: 0 / 32