Submission #1151578

#	Time	Username	Problem	Language	Result	Execution time	Memory
1151578		hynmj	Bikeparking (EGOI24_bikeparking)	C++20	9 / 100	29 ms	7240 KiB

Main

//~~~~~~~~~~~~~MJ®™~~~~~~~~~~~~~
#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx")
#define rep1(n) for(ll i=0; i<(ll)(n); ++i)
#define rep2(i,n) for(ll i=0; i<(ll)(n); ++i)
#define rep3(i,a,b) for(ll i=(ll)(a); i<(ll)(b); ++i)
#define rep4(i,a,b,c) for(ll i=(ll)(a); i<(ll)(b); i+=(c))
#define cut4(a,b,c,d,e,...) e
#define rep(...) cut4(__VA_ARGS__,rep4,rep3,rep2,rep1)(__VA_ARGS__)
#define per1(n) for(ll i=((ll)n)-1; i>=0; --i)
#define per2(i,n) for(ll i=((ll)n)-1; i>=0; --i)
#define per3(i,a,b) for(ll i=((ll)a)-1; i>=(ll)(b); --i)
#define per4(i,a,b,c) for(ll i=((ll)a)-1; i>=(ll)(b); i-=(c))
#define per(...) cut4(__VA_ARGS__,per4,per3,per2,per1)(__VA_ARGS__)
#define ll long long
#define ln cout<<endl
#define int long long
#define vv vector<vi>
#define vp vector<pi>
#define append push_back
#define all(x) (x).begin(),(x).end()
#define allr(x) (x).rbegin(),(x).rend()
#define vi vector<int>
#define ret(x) {cout<<x;return;}
#define ui map<int,int>
#define pi pair<int,int>
#define ff first
#define ss second
using namespace std;
const int INF = 1e18, MOD = 1e9+7, N = 2e5+7;
void solve()
{
    int n, k, e, m, ans = 0;
    cin >> n;
    vi a(n);
    vi l(n);
    int nowslot = 0;
    int prevslot = 0;
    int nowmen = 0;
    int prevmen = 0;
    rep(n)
    {
    	cin >> a[i];
    }
    rep(n)
    {
        cin>> l[i];
    }
    vi suffix(n+1,0);
    per(n)
    {
        suffix[i] = suffix[i+1] + l[i];
    }
    rep(n)
    {
        nowslot = a[i];
        nowmen = l[i];
        ans+=min(prevslot, nowmen);
        int k = min(prevslot, nowmen);
        nowmen-=k;
        prevslot-=k;
        int now = min({nowmen, nowslot});
        // cout << "debug: " << now  << " " << suffix[i+1];ln;
        now = max(now - suffix[i+1]  , 0ll);

        nowmen-=now;
        nowslot-=now;
        // cout << "debug: " << nowslot << " " << nowmen << " " << ans;ln;
        if (nowmen>0)
        {
            ans-= nowmen;
        }
        // cout << "debug: " << now  << " " << ans;ln;
        prevslot += nowslot;
    }

    







     cout << ans;
    // cout << a.size();
    // for (auto i: a){cout << i << " ";}
}
signed main(){
    ios_base::sync_with_stdio(0);
    cin.tie(NULL); cout.tie(NULL);
    int ans=1;
    //cout<<setprecision(1000);
    // cin>>ans;
    rep(ans){
        // cout << "Case #" << i+1 << ": ";
        solve();ln;}}

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