Submission #167017

#	Time	Username	Problem	Language	Result	Execution time	Memory
167017		davitmarg	Holiday (IOI14_holiday)	C++17	23 / 100	49 ms	6264 KiB

holiday

/*DavitMarg*/
#include <iostream>
#include <algorithm>
#include <cmath>
#include <vector>
#include <string>
#include <cstring>
#include <map>
#include <unordered_map>
#include <set>
#include <queue>
#include <iomanip>
#include <bitset>
#include <stack>
#include <cassert>
#include <iterator>
#include <fstream>
#define mod 1000000007ll
#define LL long long
#define LD long double
#define MP make_pair
#define PB push_back
#define all(v) v.begin(), v.end()
using namespace std;

#ifndef death
#include "holiday.h"
#endif

const int N = 100005;

LL a[N], sum, ans;
multiset<LL> s;

LL findMaxAttraction(int n, int start, int d, int A[])
{
    for (int i = 0; i < n; i++)
        a[i] = A[i];
    d++;
    for (int i = 0; i < n && i < d / 2; i++)
    {
        s.insert(a[i]);
        sum += a[i];
    }
    int x = d / 2;
    d %= 2;
    ans = sum;
    for (int i = x; i < n; i++)
    {
        if (d)
            d--;
        else if (!s.empty())
        {
            sum -= (*s.begin());
            s.erase(s.begin());
        }
        else
            break;
        if (!s.empty() && a[i] > (*s.begin()))
        {
            sum += a[i] - (*s.begin());
            s.erase(s.begin());
            s.insert(a[i]);
        }
        ans = max(ans, sum);
    }

    return ans;
}

#ifdef death

int main()
{
    int N, S, D, A[1002];
    cin >> N >> S >> D;
    for (int i = 0; i < N; i++)
        cin >> A[i];
    cout << findMaxAttraction(N, S, D, A) << endl;
    return 0;
}

#endif

/*

5 0 7
10 2 20 1 40
*/

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