oj.uz

Submission #530584

# Submission time Handle Problem Language Result Execution time Memory
530584 2022-02-25T22:56:03 Z Eyed Pyramid Base (IOI08_pyramid_base) C++14
80 / 100
 5000 ms 88784 KB 
#include <algorithm>
#include <iostream>
#include <string>
#include <vector>
#include <queue>
#include <stack>
#include <map>
#include <set>
#include <cmath>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
const ll MOD = 1e9 + 7;

int n, m, b, p;
struct rType {
	int y1;
	int y2;
	int c;
	rType(int yy1 = 0, int yy2 = 0, int cc = 0) : y1(yy1), y2(yy2), c(cc) {};
};

vector<rType> addRect[1000005];
vector<rType> subRect[1000005];

int seg[4000020];
int lazy[4000020];
bool mark[4000020];

void build(int v, int tl, int tr) {
	lazy[v] = 0;
	seg[v] = 0;
	mark[v] = false;
	if (tl == tr) return;
	int mid = (tl + tr) / 2;
	build(2 * v, tl, mid);
	build(2 * v + 1, mid + 1, tr);
} void build() { build(1, 0, m - 1); }
void push(int v) {
	if (mark[v]) {
		lazy[2 * v] += lazy[v];
		lazy[2 * v + 1] += lazy[v];
		mark[2 * v] = true;
		mark[2 * v + 1] = true;
		seg[2 * v] += lazy[v];
		seg[2 * v + 1] += lazy[v];
		lazy[v] = 0;
		mark[v] = false;
	}
}
void upd(int v, int tl, int tr, int l, int r, int x) {
	if (l > r) return;
	if (l <= tl && r >= tr) {
		lazy[v] += x;
		seg[v] += x;
		mark[v] = true;
		return;
	}
	push(v);
	int mid = (tl + tr) / 2;
	upd(2 * v, tl, mid, l, min(r, mid), x);
	upd(2 * v + 1, mid + 1, tr, max(l, mid + 1), r, x);
	seg[v] = min(seg[2 * v], seg[2 * v + 1]);
} void upd(int l, int r, int x) { upd(1, 0, m - 1, l, r, x); }

int qry(int v, int tl, int tr, int l, int r) {
	if (l > r) return 1e9;
	if (l <= tl && r >= tr) return seg[v];
	push(v);
	int mid = (tl + tr) / 2;
	return min(qry(2 * v, tl, mid, tl, min(r, mid)), qry(2 * v + 1, mid + 1, tr, max(l, mid + 1), r));
} int qry(int l, int r) { return qry(1, 0, m - 1, l, r); }

bool noDice[1000005][2];

bool check(int p) {

	build(1, p-1, m-1);
	for (int i = 0; i < p; ++i) {
		for (rType r : addRect[i]) {
			upd(1, p-1, m-1, max(r.y1, p - 1), min(m - 1, r.y2 + p - 1), r.c);
		}
	}
	if (qry(1, p-1, m-1, p - 1, m - 1) <= b) return true;
	for (int i = p; i < n; ++i) {
		if (!noDice[i][0] && !noDice[i - p][1]) continue;
		for (rType r : addRect[i]) {
			upd(1, p-1, m-1, max(r.y1, p - 1), min(m - 1, r.y2 + p - 1), r.c);
		}
		for (rType r : subRect[i - p]) {
			upd(1, p-1, m-1, max(r.y1, p - 1), min(m - 1, r.y2 + p - 1), -r.c);
		}
		if (qry(1, p-1, m-1, p - 1, m - 1) <= b) return true;
	}
	return false;

}

int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);

	cin >> n >> m;
	cin >> b;
	cin >> p;
	for (int i = 0; i < p; ++i) {
		int x1, y1, x2, y2, c;
		cin >> x1 >> y1 >> x2 >> y2 >> c;
		--x1; --y1; --x2; --y2;
		addRect[x1].push_back(rType(y1, y2, c));
		noDice[x1][0] = true;
		subRect[x2].push_back(rType(y1, y2, c));
		noDice[x2][1] = true;
	}
	int l = 0;
	int r = min(m, n);
	while (l < r) {
		int mid = (l + r + 1) / 2;
		if (check(mid)) l = mid;
		else r = mid - 1;
	}
	cout << l << endl;

	return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 47180 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 47176 KB Output is correct

Subtask #3
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 24 ms 47308 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 47628 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 49828 KB Output is correct

Subtask #6
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 88 ms 58152 KB Output is correct
2 Correct 209 ms 67648 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 183 ms 67532 KB Output is correct
2 Correct 116 ms 58144 KB Output is correct

Subtask #8
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 27 ms 47656 KB Output is correct
2 Correct 62 ms 47828 KB Output is correct
3 Correct 54 ms 47804 KB Output is correct

Subtask #9
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 136 ms 50560 KB Output is correct
2 Correct 277 ms 50648 KB Output is correct
3 Correct 214 ms 50496 KB Output is correct

Subtask #10
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 255 ms 59680 KB Output is correct
2 Correct 43 ms 50416 KB Output is correct
3 Correct 169 ms 66548 KB Output is correct
4 Correct 464 ms 69048 KB Output is correct

Subtask #11
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 472 ms 69252 KB Output is correct
2 Correct 813 ms 69080 KB Output is correct
3 Correct 181 ms 60116 KB Output is correct

Subtask #12
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 326 ms 60328 KB Output is correct
2 Correct 1036 ms 69436 KB Output is correct
3 Correct 969 ms 69412 KB Output is correct
4 Correct 1083 ms 69420 KB Output is correct
5 Correct 1062 ms 69540 KB Output is correct
6 Correct 129 ms 60228 KB Output is correct

Subtask #13
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 4426 ms 79128 KB Output is correct
2 Correct 332 ms 56660 KB Output is correct

Subtask #14
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 5075 ms 84144 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #15
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 5079 ms 88784 KB Time limit exceeded
2 Halted 0 ms 0 KB -