oj.uz

답안 #168575

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
168575 2019-12-13T22:11:02 Z johutha 휴가 (IOI14_holiday) C++14
23 / 100
 64 ms 7076 KB 
#include"holiday.h"
#include <vector>
#include <iostream>
#include <set>
#include <algorithm>
#include <cmath>

#define int long long

using namespace std;

struct Attractions
{
	int n, totd;
	int start;
	vector<int> attraction;

	int findMaxAttr(int lstart, int d)
	{
		multiset<int> active;
		int cres = 0;
		int pos;
		for (pos = lstart; pos < lstart + d/2; pos++)
		{
			if (pos >= n) return cres;
			cres += attraction[pos];
			active.insert(attraction[pos]);
		}

		if (pos == n) return cres;
		if (d % 2)
		{
			cres += attraction[pos];
			active.insert(attraction[pos]);
			pos++;
		}

		/*for (int i : active) cerr << i << " ";
		cerr << "\n";
		cerr << pos << "\n";*/

		if (d % 2 == 0)
		{
			cres += attraction[pos];
			active.insert(attraction[pos]);
			cres -= *active.begin();
			active.erase(active.begin());
			pos++;
		}

		int mmax = cres;

		for (; pos < n; pos++)
		{
			if (active.size() < 1) break;
			cres += attraction[pos];
			active.insert(attraction[pos]);
			cres -= *active.begin();
			active.erase(active.begin());
			cres -= *active.begin();
			active.erase(active.begin());
			mmax = max(mmax, cres);
		}

		return mmax;
	}

	int solve()
	{
		return findMaxAttr(0, totd);
	}
};

int findMaxAttraction(signed n, signed start, signed d, signed attraction[])
{
    Attractions at;
	at.n = n;
	at.start = start + n;
	at.totd = d;

	for (int i = 0; i < n; i++)
	{
		at.attraction.push_back(attraction[i]);
	}

	return at.solve();
}

Subtask #1
0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 380 KB Output is correct
5 Incorrect 2 ms 376 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #2
23.0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 64 ms 6352 KB Output is correct
2 Correct 41 ms 6376 KB Output is correct
3 Correct 42 ms 6352 KB Output is correct
4 Correct 42 ms 6380 KB Output is correct
5 Correct 45 ms 4716 KB Output is correct
6 Correct 14 ms 2036 KB Output is correct
7 Correct 26 ms 3180 KB Output is correct
8 Correct 29 ms 3184 KB Output is correct
9 Correct 11 ms 1524 KB Output is correct

Subtask #3
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 504 KB Output is correct
2 Correct 3 ms 504 KB Output is correct
3 Correct 3 ms 504 KB Output is correct
4 Incorrect 3 ms 504 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #4
0 / 53.0

# 결과 실행 시간 메모리 Grader output
1 Correct 46 ms 6380 KB Output is correct
2 Correct 48 ms 7076 KB Output is correct
3 Incorrect 12 ms 1524 KB Output isn't correct
4 Halted 0 ms 0 KB -