oj.uz

Submission #934923

# Submission time Handle Problem Language Result Execution time Memory
934923 2024-02-28T07:53:06 Z IBory New Home (APIO18_new_home) C++17
47 / 100
 2063 ms 509476 KB 
#include <bits/stdc++.h>
#define pii pair<int, int>
using namespace std;

const int SZ = 1 << 20;
int P[SZ], S[SZ], X[SZ], ans[SZ];
multiset<int> CX[SZ];

struct Seg {
	priority_queue<int> P[SZ], E[SZ];
	int T[SZ << 1];
	Seg() {
		fill(T, T + SZ * 2, -1E9);
	}
	void Update(int i, int v, bool e, int sL = 1, int sR = SZ, int n = 1) {
		(e ? E[i] : P[i]).push(v);
		while (!E[i].empty() && !P[i].empty() && E[i].top() == P[i].top()) E[i].pop(), P[i].pop();
		T[i += SZ - 1] = (P[i].empty() ? -1e9 : P[i].top());
		while (i >>= 1) T[i] = max(T[i * 2], T[i * 2 + 1]);
	}
	int Query(int L, int R, int sL = 1, int sR = SZ, int n = 1) {
		if (R < sL || sR < L) return -1e9;
		if (L <= sL && sR <= R) return T[n];
		int mid = (sL + sR) >> 1;
		return max(Query(L, R, sL, mid, n * 2), Query(L, R, mid + 1, sR, n * 2 + 1));
	}
} T1, T2;

vector<int> UX;
int Find(int x) {
	return lower_bound(UX.begin(), UX.end(), x) - UX.begin();
}

int main() {
	ios::sync_with_stdio(0); cin.tie(0);
	int N, K, Q;
	cin >> N >> K >> Q;
	vector<pii> ord;
	for (int i = 1; i <= N; ++i) {
		int a, b;
		cin >> P[i] >> S[i] >> a >> b;
		P[i] <<= 1;
		ord.emplace_back(a, i);
		ord.emplace_back(b + 1, -i);
	}
	for (int i = 1; i <= Q; ++i) {
		int t;
		cin >> X[i] >> t;
		X[i] <<= 1;
		ord.emplace_back(t, SZ + i);
	}
	sort(ord.begin(), ord.end());

	UX.push_back(-1); UX.push_back(1); UX.push_back(1e8);
	for (auto [_, id] : ord) {
		// Line Add
		if (0 < id && id < SZ) {
			int pos = P[abs(id)], type = S[abs(id)];
			UX.push_back(pos);
			auto it = CX[type].insert(pos);
			if (it != CX[type].begin()) {
				int h = abs(pos - *prev(it)) / 2;
				UX.push_back(*prev(it) + h);
			}
			if (next(it) != CX[type].end()) {
				int h = abs(pos - *next(it)) / 2;
				UX.push_back(pos + h);
			}
		}
		// Line Erase
		else if (id < 0) {
			int pos = P[abs(id)], type = S[abs(id)];
			auto it = CX[type].find(pos);
			if (it != CX[type].begin() && next(it) != CX[type].end()) {
				int h = abs(*next(it) - *prev(it)) / 2;
				UX.push_back(*prev(it) + h);
			}
			CX[type].erase(it);
		}
		else UX.push_back(X[id - SZ]);
	}
	sort(UX.begin(), UX.end());
	UX.erase(unique(UX.begin(), UX.end()), UX.end());

	memset(ans, 0xf3, sizeof(ans));
	int curOpen = 0, L_LIM = 1, R_LIM = UX.size() - 1;
	for (auto [_, id] : ord) {
		// Line Add/Erase
		if (id < SZ) {
			int pos = P[abs(id)], type = S[abs(id)], x = Find(pos);
			bool out = id < 0;

			if (CX[type].empty()) curOpen++;
			auto it = (out ? CX[type].find(pos) : CX[type].insert(pos));
			bool isPrev = it != CX[type].begin();
			bool isNext = next(it) != CX[type].end();
			int ph = (isPrev ? Find(pos - (pos - *prev(it)) / 2) : L_LIM);
			int nh = (isNext ? Find(pos + (*next(it) - pos) / 2) : R_LIM);
			int all = (isPrev && isNext ? Find(*next(it) - (*next(it) - *prev(it)) / 2) : 0);

			// Add
			T2.Update(ph, pos, out);
			T1.Update(nh, -pos, out);

			// Modify
			if (isNext) {
				T2.Update(isPrev ? all : L_LIM, *next(it), !out);
				T2.Update(nh, *next(it), out);
			}
			if (isPrev) {
				T1.Update(isNext ? all : R_LIM, -*prev(it), !out);
				T1.Update(ph, -*prev(it), out);
			}

			if (out) CX[type].erase(it);
			if (CX[type].empty()) curOpen--;
		}
		// Query
		else if (curOpen == K) {
			id -= SZ;
			int x = X[id], p = Find(x);
			int b1 = T1.Query(p, SZ);
			int b2 = T2.Query(1, p);
			ans[id] = max(x + b1, b2 - x);
		}
	}

	for (int i = 1; i <= Q; ++i) cout << (ans[i] < 0 ? -1 : ans[i] / 2) << '\n';
	return 0;
}

Compilation message

new_home.cpp: In member function 'void Seg::Update(int, int, bool, int, int, int)':
new_home.cpp:18:7: warning: operation on 'i' may be undefined [-Wsequence-point]
   18 |   T[i += SZ - 1] = (P[i].empty() ? -1e9 : P[i].top());
      |     ~~^~~~~~~~~
new_home.cpp: In function 'int main()':
new_home.cpp:90:45: warning: unused variable 'x' [-Wunused-variable]
   90 |    int pos = P[abs(id)], type = S[abs(id)], x = Find(pos);
      |                                             ^

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 47 ms 205648 KB Output is correct
2 Correct 45 ms 205564 KB Output is correct
3 Correct 46 ms 205808 KB Output is correct
4 Correct 45 ms 205648 KB Output is correct
5 Correct 46 ms 205788 KB Output is correct
6 Correct 50 ms 205800 KB Output is correct
7 Correct 51 ms 205744 KB Output is correct
8 Correct 46 ms 205916 KB Output is correct
9 Correct 46 ms 205872 KB Output is correct
10 Correct 50 ms 205904 KB Output is correct
11 Correct 45 ms 205888 KB Output is correct
12 Correct 48 ms 205916 KB Output is correct
13 Correct 45 ms 205656 KB Output is correct
14 Correct 45 ms 205808 KB Output is correct
15 Correct 52 ms 205656 KB Output is correct
16 Correct 51 ms 205900 KB Output is correct
17 Correct 46 ms 205904 KB Output is correct
18 Correct 45 ms 205908 KB Output is correct
19 Correct 46 ms 205796 KB Output is correct
20 Correct 46 ms 205908 KB Output is correct
21 Correct 45 ms 205648 KB Output is correct
22 Correct 46 ms 205660 KB Output is correct
23 Correct 45 ms 205836 KB Output is correct
24 Correct 45 ms 205796 KB Output is correct
25 Correct 50 ms 205852 KB Output is correct
26 Correct 46 ms 205700 KB Output is correct
27 Correct 47 ms 205676 KB Output is correct
28 Correct 52 ms 205644 KB Output is correct
29 Correct 48 ms 205980 KB Output is correct
30 Correct 45 ms 205648 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 47 ms 205648 KB Output is correct
2 Correct 45 ms 205564 KB Output is correct
3 Correct 46 ms 205808 KB Output is correct
4 Correct 45 ms 205648 KB Output is correct
5 Correct 46 ms 205788 KB Output is correct
6 Correct 50 ms 205800 KB Output is correct
7 Correct 51 ms 205744 KB Output is correct
8 Correct 46 ms 205916 KB Output is correct
9 Correct 46 ms 205872 KB Output is correct
10 Correct 50 ms 205904 KB Output is correct
11 Correct 45 ms 205888 KB Output is correct
12 Correct 48 ms 205916 KB Output is correct
13 Correct 45 ms 205656 KB Output is correct
14 Correct 45 ms 205808 KB Output is correct
15 Correct 52 ms 205656 KB Output is correct
16 Correct 51 ms 205900 KB Output is correct
17 Correct 46 ms 205904 KB Output is correct
18 Correct 45 ms 205908 KB Output is correct
19 Correct 46 ms 205796 KB Output is correct
20 Correct 46 ms 205908 KB Output is correct
21 Correct 45 ms 205648 KB Output is correct
22 Correct 46 ms 205660 KB Output is correct
23 Correct 45 ms 205836 KB Output is correct
24 Correct 45 ms 205796 KB Output is correct
25 Correct 50 ms 205852 KB Output is correct
26 Correct 46 ms 205700 KB Output is correct
27 Correct 47 ms 205676 KB Output is correct
28 Correct 52 ms 205644 KB Output is correct
29 Correct 48 ms 205980 KB Output is correct
30 Correct 45 ms 205648 KB Output is correct
31 Correct 624 ms 239228 KB Output is correct
32 Correct 195 ms 218052 KB Output is correct
33 Correct 580 ms 239060 KB Output is correct
34 Correct 627 ms 237888 KB Output is correct
35 Correct 585 ms 239564 KB Output is correct
36 Correct 612 ms 240112 KB Output is correct
37 Correct 428 ms 238492 KB Output is correct
38 Correct 396 ms 238740 KB Output is correct
39 Correct 309 ms 238112 KB Output is correct
40 Correct 320 ms 238432 KB Output is correct
41 Correct 325 ms 228356 KB Output is correct
42 Correct 374 ms 228040 KB Output is correct
43 Correct 163 ms 220208 KB Output is correct
44 Correct 315 ms 228216 KB Output is correct
45 Correct 373 ms 227976 KB Output is correct
46 Correct 298 ms 227580 KB Output is correct
47 Correct 185 ms 224396 KB Output is correct
48 Correct 186 ms 225392 KB Output is correct
49 Correct 218 ms 226504 KB Output is correct
50 Correct 220 ms 226004 KB Output is correct
51 Correct 235 ms 226780 KB Output is correct

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2063 ms 292436 KB Output is correct
2 Runtime error 705 ms 506316 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Runtime error 811 ms 509476 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #5
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 47 ms 205648 KB Output is correct
2 Correct 45 ms 205564 KB Output is correct
3 Correct 46 ms 205808 KB Output is correct
4 Correct 45 ms 205648 KB Output is correct
5 Correct 46 ms 205788 KB Output is correct
6 Correct 50 ms 205800 KB Output is correct
7 Correct 51 ms 205744 KB Output is correct
8 Correct 46 ms 205916 KB Output is correct
9 Correct 46 ms 205872 KB Output is correct
10 Correct 50 ms 205904 KB Output is correct
11 Correct 45 ms 205888 KB Output is correct
12 Correct 48 ms 205916 KB Output is correct
13 Correct 45 ms 205656 KB Output is correct
14 Correct 45 ms 205808 KB Output is correct
15 Correct 52 ms 205656 KB Output is correct
16 Correct 51 ms 205900 KB Output is correct
17 Correct 46 ms 205904 KB Output is correct
18 Correct 45 ms 205908 KB Output is correct
19 Correct 46 ms 205796 KB Output is correct
20 Correct 46 ms 205908 KB Output is correct
21 Correct 45 ms 205648 KB Output is correct
22 Correct 46 ms 205660 KB Output is correct
23 Correct 45 ms 205836 KB Output is correct
24 Correct 45 ms 205796 KB Output is correct
25 Correct 50 ms 205852 KB Output is correct
26 Correct 46 ms 205700 KB Output is correct
27 Correct 47 ms 205676 KB Output is correct
28 Correct 52 ms 205644 KB Output is correct
29 Correct 48 ms 205980 KB Output is correct
30 Correct 45 ms 205648 KB Output is correct
31 Correct 624 ms 239228 KB Output is correct
32 Correct 195 ms 218052 KB Output is correct
33 Correct 580 ms 239060 KB Output is correct
34 Correct 627 ms 237888 KB Output is correct
35 Correct 585 ms 239564 KB Output is correct
36 Correct 612 ms 240112 KB Output is correct
37 Correct 428 ms 238492 KB Output is correct
38 Correct 396 ms 238740 KB Output is correct
39 Correct 309 ms 238112 KB Output is correct
40 Correct 320 ms 238432 KB Output is correct
41 Correct 325 ms 228356 KB Output is correct
42 Correct 374 ms 228040 KB Output is correct
43 Correct 163 ms 220208 KB Output is correct
44 Correct 315 ms 228216 KB Output is correct
45 Correct 373 ms 227976 KB Output is correct
46 Correct 298 ms 227580 KB Output is correct
47 Correct 185 ms 224396 KB Output is correct
48 Correct 186 ms 225392 KB Output is correct
49 Correct 218 ms 226504 KB Output is correct
50 Correct 220 ms 226004 KB Output is correct
51 Correct 235 ms 226780 KB Output is correct
52 Correct 167 ms 221016 KB Output is correct
53 Correct 167 ms 219432 KB Output is correct
54 Correct 291 ms 227012 KB Output is correct
55 Correct 271 ms 226104 KB Output is correct
56 Correct 237 ms 225020 KB Output is correct
57 Correct 285 ms 227632 KB Output is correct
58 Correct 243 ms 225160 KB Output is correct
59 Correct 220 ms 223944 KB Output is correct
60 Correct 309 ms 227292 KB Output is correct
61 Correct 120 ms 220036 KB Output is correct
62 Correct 160 ms 221464 KB Output is correct
63 Correct 261 ms 224616 KB Output is correct
64 Correct 288 ms 225476 KB Output is correct
65 Correct 292 ms 227380 KB Output is correct
66 Correct 295 ms 228188 KB Output is correct
67 Correct 186 ms 218616 KB Output is correct

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 47 ms 205648 KB Output is correct
2 Correct 45 ms 205564 KB Output is correct
3 Correct 46 ms 205808 KB Output is correct
4 Correct 45 ms 205648 KB Output is correct
5 Correct 46 ms 205788 KB Output is correct
6 Correct 50 ms 205800 KB Output is correct
7 Correct 51 ms 205744 KB Output is correct
8 Correct 46 ms 205916 KB Output is correct
9 Correct 46 ms 205872 KB Output is correct
10 Correct 50 ms 205904 KB Output is correct
11 Correct 45 ms 205888 KB Output is correct
12 Correct 48 ms 205916 KB Output is correct
13 Correct 45 ms 205656 KB Output is correct
14 Correct 45 ms 205808 KB Output is correct
15 Correct 52 ms 205656 KB Output is correct
16 Correct 51 ms 205900 KB Output is correct
17 Correct 46 ms 205904 KB Output is correct
18 Correct 45 ms 205908 KB Output is correct
19 Correct 46 ms 205796 KB Output is correct
20 Correct 46 ms 205908 KB Output is correct
21 Correct 45 ms 205648 KB Output is correct
22 Correct 46 ms 205660 KB Output is correct
23 Correct 45 ms 205836 KB Output is correct
24 Correct 45 ms 205796 KB Output is correct
25 Correct 50 ms 205852 KB Output is correct
26 Correct 46 ms 205700 KB Output is correct
27 Correct 47 ms 205676 KB Output is correct
28 Correct 52 ms 205644 KB Output is correct
29 Correct 48 ms 205980 KB Output is correct
30 Correct 45 ms 205648 KB Output is correct
31 Correct 624 ms 239228 KB Output is correct
32 Correct 195 ms 218052 KB Output is correct
33 Correct 580 ms 239060 KB Output is correct
34 Correct 627 ms 237888 KB Output is correct
35 Correct 585 ms 239564 KB Output is correct
36 Correct 612 ms 240112 KB Output is correct
37 Correct 428 ms 238492 KB Output is correct
38 Correct 396 ms 238740 KB Output is correct
39 Correct 309 ms 238112 KB Output is correct
40 Correct 320 ms 238432 KB Output is correct
41 Correct 325 ms 228356 KB Output is correct
42 Correct 374 ms 228040 KB Output is correct
43 Correct 163 ms 220208 KB Output is correct
44 Correct 315 ms 228216 KB Output is correct
45 Correct 373 ms 227976 KB Output is correct
46 Correct 298 ms 227580 KB Output is correct
47 Correct 185 ms 224396 KB Output is correct
48 Correct 186 ms 225392 KB Output is correct
49 Correct 218 ms 226504 KB Output is correct
50 Correct 220 ms 226004 KB Output is correct
51 Correct 235 ms 226780 KB Output is correct
52 Correct 2063 ms 292436 KB Output is correct
53 Runtime error 705 ms 506316 KB Execution killed with signal 11
54 Halted 0 ms 0 KB -