#include <iostream>
#include <vector>
using namespace std;
using ll = long long;
int n, m, k, e, x1, y1, x2, y2;
ll cur, ans = 0;
vector <vector <int>> fen(501, vector<int>(501, 0));
vector <vector <ll>> pre(501, vector<ll>(501, 0));
void pref_update(int x, int y, int val) {
for (int i = x; i >= 0; i = (i & (i + 1)) - 1) {
for (int j = y; j >= 0; j = (j & (j + 1)) - 1) {
fen[i][j] += val;
}
}
}
void update() {
cin >> x1 >> y1 >> x2 >> y2;
x1--; y1--;
pref_update(x1, y1, 1);
pref_update(x2, y2, 1);
pref_update(x1, y2, -1);
pref_update(x2, y1, -1);
}
int query(int x, int y) {
int ret = 0;
for (int i = x; i <= n; i = (i | (i + 1))) {
for (int j = y; j <= m; j = (j | (j + 1))) {
ret += fen[i][j];
}
}
return ret;
}
int main()
{
cin >> n >> m >> k >> e;
for (int i = 0; i < e; i++) update();
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= m; j++) {
pre[i][j] = query(i, j) + pre[i - 1][j] + pre[i][j - 1] - pre[i - 1][j - 1];
if (i < k || j < k) continue;
cur = pre[i][j] - pre[i - k][j] - pre[i][j - k] + pre[i - k][j - k];
if (cur > ans) { ans = cur; x1 = i - k + 1; y1 = j - k + 1; }
}
}
cout << ans << endl << x1 << " " << y1;
}
Részfeladat | Összpont | Teszt | Verdikt | Idő | Memória | ||
---|---|---|---|---|---|---|---|
base | 40/40 | ||||||
1 | Elfogadva | 0/0 | 4ms | 7608 KiB | |||
2 | Elfogadva | 0/0 | 126ms | 7900 KiB | |||
3 | Elfogadva | 2/2 | 4ms | 8116 KiB | |||
4 | Elfogadva | 2/2 | 6ms | 8068 KiB | |||
5 | Elfogadva | 2/2 | 10ms | 8344 KiB | |||
6 | Elfogadva | 2/2 | 10ms | 8668 KiB | |||
7 | Elfogadva | 2/2 | 10ms | 8620 KiB | |||
8 | Elfogadva | 2/2 | 10ms | 8956 KiB | |||
9 | Elfogadva | 2/2 | 4ms | 8916 KiB | |||
10 | Elfogadva | 2/2 | 6ms | 8908 KiB | |||
11 | Elfogadva | 2/2 | 10ms | 8964 KiB | |||
12 | Elfogadva | 2/2 | 10ms | 9028 KiB | |||
13 | Elfogadva | 2/2 | 10ms | 9164 KiB | |||
14 | Elfogadva | 2/2 | 10ms | 9504 KiB | |||
15 | Elfogadva | 1/1 | 115ms | 9840 KiB | |||
16 | Elfogadva | 1/1 | 119ms | 9668 KiB | |||
17 | Elfogadva | 1/1 | 56ms | 9552 KiB | |||
18 | Elfogadva | 1/1 | 101ms | 9800 KiB | |||
19 | Elfogadva | 2/2 | 125ms | 10136 KiB | |||
20 | Elfogadva | 2/2 | 123ms | 10092 KiB | |||
21 | Elfogadva | 2/2 | 123ms | 10224 KiB | |||
22 | Elfogadva | 2/2 | 123ms | 10188 KiB | |||
23 | Elfogadva | 2/2 | 123ms | 10180 KiB | |||
24 | Elfogadva | 2/2 | 123ms | 10184 KiB |