답안 #171967

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
171967 2019-12-30T17:20:18 Z Nightmar UFO (IZhO14_ufo) C++17
55 / 100
1101 ms 95656 KB
#include <iostream>
#include <algorithm>
#include <cmath>
#include <string>
#include <cstdlib>
#include <vector>
#include <queue>
#include <set>
#include <map>
#include <cstdio>
#include <iomanip>

#define SWS ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define pb push_back
#define ppb pop_back
#define ft first
#define sd second
#define read freopen("input.txt", "r", stdin)
#define write freopen("output.txt", "w", stdout)
#define files read; write

using namespace std;

typedef long long ll;
typedef pair<int, int> pii;

const int Z = (int)1e3 + 228;
const int N = (int)1e5 + 228;
const int INF = (int)1e9 + 228;
const int MOD = (int)1e9 + 7;

vector<vector<int> > a;
vector<vector<ll> > pref;
vector<vector<int> > t_row, t_col;

void build_row(int ind, int v, int tl, int tr)
{
	if (tl == tr)
	{
		t_row[ind][v] = a[ind][tl];
		return; 
	}
	int mid = (tl + tr) / 2;
	build_row(ind, 2 * v, tl, mid);
	build_row(ind, 2 * v + 1, mid + 1, tr);
	t_row[ind][v] = max(t_row[ind][2 * v], t_row[ind][2 * v + 1]);
}

void build_col(int ind, int v, int tl, int tr)
{
	if (tl == tr)
	{
		t_col[ind][v] = a[tl][ind];
		return;
	}
	int mid = (tl + tr) / 2;
	build_col(ind, 2 * v, tl, mid);
	build_col(ind, 2 * v + 1, mid + 1, tr);
	t_col[ind][v] = max(t_col[ind][2 * v], t_col[ind][2 * v + 1]);
}

void update_row(int ind, int v, int tl, int tr, int pos)
{
	if (tl == tr)
	{
		t_row[ind][v] = max(t_row[ind][v] - 1, 0);
		return;
	}
	int mid = (tl + tr) / 2;
	if (pos <= mid) update_row(ind, 2 * v, tl, mid, pos);
	else update_row(ind, 2 * v + 1, mid + 1, tr, pos);
	t_row[ind][v] = max(t_row[ind][2 * v], t_row[ind][2 * v + 1]);
}

void update_col(int ind, int v, int tl, int tr, int pos)
{
	if (tl == tr)
	{
		t_col[ind][v] = max(t_col[ind][v] - 1, 0);
		return;
	}
	int mid = (tl + tr) / 2;
	if (pos <= mid) update_col(ind, 2 * v, tl, mid, pos);
	else update_col(ind, 2 * v + 1, mid + 1, tr, pos);
	t_col[ind][v] = max(t_col[ind][2 * v], t_col[ind][2 * v + 1]); 
}

int get_up(int ind, int v, int tl, int tr, int h)
{
	if (tl == tr)
		return tl;
	int mid = (tl + tr) / 2;
	if (t_col[ind][2 * v] >= h) return get_up(ind, 2 * v, tl, mid, h);
	else return get_up(ind, 2 * v + 1, mid + 1, tr, h);
}

int get_down(int ind, int v, int tl, int tr, int h)
{
	if (tl == tr)
		return tl;
	int mid = (tl + tr) / 2;
	if (t_col[ind][2 * v + 1] >= h) return get_down(ind, 2 * v + 1, mid + 1, tr, h);
	else return get_down(ind, 2 * v, tl, mid, h);
}

int get_left(int ind, int v, int tl, int tr, int h)
{
	if (tl == tr)
		return tl;
	int mid = (tl + tr) / 2;
	if (t_row[ind][2 * v] >= h) return get_left(ind, 2 * v, tl, mid, h);
	else return get_left(ind, 2 * v + 1, mid + 1, tr, h);
}

int get_right(int ind, int v, int tl, int tr, int h)
{
	if (tl == tr)
		return tl;
	int mid = (tl + tr) / 2;
	if (t_row[ind][2 * v + 1] >= h) return get_right(ind, 2 * v + 1, mid + 1, tr, h);
	else return get_right(ind, 2 * v, tl, mid, h);
}

ll get_pref(vector<vector<ll> >& pref, int x1, int y1, int x2, int y2)
{
	return pref[x2][y2] - pref[x1 - 1][y2] - pref[x2][y1 - 1] + pref[x1 - 1][y1 - 1];
}

int main()
{
	SWS;
	//files;
	int n, m, r, k, p;
	cin >> n >> m >> r >> k >> p;
	a.resize(n + 1, vector<int> (m + 1));
	pref.resize(n + 1, vector<ll> (m + 1));
	for (int i = 1; i <= n; i++)
		for (int j = 1; j <= m; j++)
			cin >> a[i][j];
	t_row.resize(n + 1);
	t_col.resize(m + 1);
	for (int i = 1; i <= n; i++)
		t_row[i].resize(4 * m);
	for (int i = 1; i <= m; i++)
		t_col[i].resize(4 * n);
	for (int i = 1; i <= n; i++)
		build_row(i, 1, 1, m);
	for (int i = 1; i <= m; i++)
		build_col(i, 1, 1, n);
	while (k--)
	{
		char c;
		int num, h;
		cin >> c >> num >> h;
		if (c == 'N')
		{
			for (int i = 1; i <= r; i++)
			{
				if (t_col[num][1] < h) break;
				int pos = get_up(num, 1, 1, n, h);
				a[pos][num] = max(a[pos][num] - 1, 0);
				update_col(num, 1, 1, n, pos);
			}
		}
		else if (c == 'S')
		{
			for (int i = 1; i <= r; i++)
			{
				if (t_col[num][1] < h) break;
				int pos = get_down(num, 1, 1, n, h);
				a[pos][num] = max(a[pos][num] - 1, 0);
				update_col(num, 1, 1, n, pos);
			}
		}
		else if (c == 'W')
		{
			for (int i = 1; i <= r; i++)
			{
				if (t_row[num][1] < h) break;
				int pos = get_left(num, 1, 1, m, h);
				a[num][pos] = max(a[num][pos] - 1, 0);
				update_row(num, 1, 1, m, pos);
			}
		}
		else
		{
			for (int i = 1; i <= r; i++)
			{
				if (t_row[num][1] < h) break;
				int pos = get_right(num, 1, 1, m, h);
				a[num][pos] = max(a[num][pos] - 1, 0);
				update_row(num, 1, 1, m, pos);
			}
		}
	}
	ll ans = 0;
	for (int i = 1; i <= n; i++)
		for (int j = 1; j <= m; j++)
			pref[i][j] = pref[i - 1][j] + pref[i][j - 1] - pref[i - 1][j - 1] + a[i][j];
	for (int i = p; i <= n; i++)
		for (int j = p; j <= m; j++)
			ans = max(ans, get_pref(pref, i - p + 1, j - p + 1, i, j));
	cout << ans;
	return 0;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Incorrect 2 ms 376 KB Output isn't correct
3 Incorrect 3 ms 504 KB Output isn't correct
4 Incorrect 12 ms 888 KB Output isn't correct
5 Incorrect 72 ms 3192 KB Output isn't correct
6 Incorrect 159 ms 22316 KB Output isn't correct
7 Incorrect 265 ms 49500 KB Output isn't correct
8 Correct 214 ms 49248 KB Output is correct
9 Correct 451 ms 46508 KB Output is correct
10 Correct 636 ms 49332 KB Output is correct
11 Correct 450 ms 48416 KB Output is correct
12 Correct 647 ms 49340 KB Output is correct
13 Correct 789 ms 56660 KB Output is correct
14 Correct 541 ms 48608 KB Output is correct
15 Incorrect 590 ms 49228 KB Output isn't correct
16 Correct 237 ms 48620 KB Output is correct
17 Incorrect 834 ms 56828 KB Output isn't correct
18 Correct 233 ms 52728 KB Output is correct
19 Incorrect 380 ms 54348 KB Output isn't correct
20 Correct 1101 ms 95656 KB Output is correct