Submission #1074168

#	Time	Username	Problem	Language	Result	Execution time	Memory
1074168		Joshua_Andersson	Teams (IOI15_teams)	C++14	0 / 100	4088 ms	21216 KiB

teams

#include "teams.h"

#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
const ll linf = ll(1e18);

typedef vector<int> vi;
typedef vector<vi> vvi;
typedef pair<int, int> p2;

#define rep(i, high) for (int i = 0; i < high; i++)
#define repp(i, low, high) for (int i = low; i < high; i++)
#define repe(i, container) for (auto& i : container)
#define sz(container) ((int)container.size())
#define all(x) begin(x),end(x)

#if _LOCAL
#define assert(x) if (!(x)) __debugbreak()
#endif

int n;
vi a;
vi b;
typedef pair<double, int> pt;
vector<p2> pts;

void init(int N, int A[], int B[])
{
	n = N;
	a.resize(N);
	b.resize(N);
	rep(i, N) a[i] = A[i], b[i] = B[i];

	rep(i, n)
	{
		pts.emplace_back(b[i], a[i]);
	}
	sort(all(pts));
}

int rectangle_sum(int xlo, int xhi, int ylo, int yhi)
{
	int ret = 0;

	repp(i, ylo, yhi+1)
	{
		ret += pts[i].second >= xlo && pts[i].second <= xhi;
	}

	return ret;
}

const double inf = 2e9;
int can(int m, int K[]) {
	//cout << rectangle_sum(1, 3, 1, 3);
	vi k(m);
	rep(i, m) k[i] = K[i];

	sort(all(k));

	int lo = 0;
	rep(i, m)
	{
		while (lo < sz(pts) && pts[lo].first < k[i])
		{
			lo++;
		}
		if (rectangle_sum(0, k[i], lo, n-1)<k[i])
		{
			return 0;
		}
		int lob = lo;
		int hib = n;
		while (lob+1<hib)
		{
			int mid = (lob + hib) / 2;
			if (rectangle_sum(0, k[i], lo, mid) < k[i])
			{
				lob = mid;
			}
			else hib = mid;
		}
		lo = lob+1;
	}

	return 1;
}

• Subtask 1: 0 / 21
• Subtask 2: 0 / 13
• Subtask 3: 0 / 43
• Subtask 4: 0 / 23