Submission #391972

#	Time	Username	Problem	Language	Result	Execution time	Memory
391972		Aldas25	Holiday (IOI14_holiday)	C++14	47 / 100	5070 ms	2632 KiB

holiday

#include"holiday.h"
#include <bits/stdc++.h>

using namespace std;

#define FOR(i, a, b) for (int i = (a); i <= (b); i++)
#define REP(n) FOR(O, 1, (n))
#define f first
#define s second
#define pb push_back
typedef long long ll;
typedef pair<int, int> pii;
typedef vector<pii> vii;
typedef vector<ll> vl;
typedef vector<int> vi;

const int MAXN = 100100;

ll a[MAXN];
int n;

long long int findMaxAttraction(int N, int start, int d, int attraction[]) {
    n = N;
    FOR(i, 0, n-1) a[i] = attraction[i];

    ll ans = 0;

    priority_queue<ll, vl, greater<ll>> q;

    REP(2) {
        FOR(le, 0, start) {
            while (!q.empty()) {q.pop();}
            int rem = d;
            rem -= 2*(start-le);
            if (rem <= 0) continue;
            ll sum = 0;
            FOR(i, le, start-1) {
                q.push(a[i]);
                sum += a[i];
            }
           // cout << "  bef st sum = " << sum << endl;
            FOR(i, start, n-1) {
                q.push(a[i]);
                sum += a[i];
             //   cout << " bef while sum = " << sum << endl;
                while ((int)q.size() > rem) {
                    sum -= q.top();
               //     cout << "    mined " << q.top() << endl;
                    q.pop();
                }
              //  cout << " aft while sum = " << sum << endl;

                ans = max(ans, sum);

                //cout << " le = " << le << " start = " << start <<  " i = " << i << " sum = " << sum << endl;

                rem--;
                if (rem <= 0) break;
            }
        }

        if (start == 0) break;

        FOR(i, 0, n/2 - 1)
            swap(a[i], a[n-1-i]);
        start = n-1-start;

        //FOR(i, 0, n-1) cout << "   i = " << i <<  " a= " << a[i] << endl;
    }

    return ans;
}

• Subtask 1: 7 / 7
• Subtask 2: 23 / 23
• Subtask 3: 17 / 17
• Subtask 4: 0 / 53