Submission #1058552

#	Time	Username	Problem	Language	Result	Execution time	Memory
1058552		kachim2	Bikeparking (EGOI24_bikeparking)	C++17	100 / 100	76 ms	6908 KiB

Main

#include <bits/stdc++.h>
using namespace std;
typedef int64_t ll;
int main()
{
    ll n;
    cin >> n;
    vector<ll> slots(n);
    vector<ll> users(n);
    for (ll i = 0; i < n; i++)
    {
        cin >> slots[i];
    }
    for (ll i = 0; i < n; i++)
    {
        cin >> users[i];
    }
    ll happy = 0;
    ll wanting = 0;
    ll satisfiable = 0;
    for(int i = n-1; i >= 0; i--){
        ll x1 = min(wanting, slots[i]);
        slots[i]-=x1;
        wanting-=x1;
        ll x2 = min(satisfiable, slots[i]);
        slots[i]-=x2;
        satisfiable-=x2;
        happy+=x1+x2;

        satisfiable+=min(users[i], slots[i]);
        wanting+=users[i]-min(users[i], slots[i]);
    }

    cout << happy-wanting;
}

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