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답안 #469856

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
469856 2021-09-02T06:40:02 Z flappybird 새 집 (APIO18_new_home) C++14
80 / 100
 5000 ms 397816 KB 
#include <bits/stdc++.h>
#include <cassert>
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#pragma GCC target("avx,avx2,fma")
using namespace std;
typedef long ll;
typedef pair<ll, ll> pll;
#define MAX 301010
#define MAXS 20
#define INF 1000000000
#define MOD (ll)1000000007
#define bb ' '
#define ln '\n'
template <typename T>
class Segment_Tree {
	//0-based index Segment Tree
	//O(N), O(lgN)
private:
	unsigned int N, s;
	vector<T> tree;
	vector<unsigned int> l, r;
	T query(unsigned int low, unsigned int high, unsigned int loc) {
		if (low == l[loc] && high == r[loc]) return tree[loc];
		if (high <= r[loc * 2]) return query(low, high, loc * 2);
		if (low >= l[loc * 2 + 1]) return query(low, high, loc * 2 + 1);
		return query(low, r[loc * 2], loc * 2) + query(l[loc * 2 + 1], high, loc * 2 + 1);
	}
	void _update(unsigned int loc, T val) {
		loc += s;
		tree[loc] = val;
		loc /= 2;
		while (loc) {
			tree[loc] = tree[loc * 2] + tree[loc * 2 + 1];
			loc /= 2;
		}
	}
	void init(unsigned int x = 1) {
		if (x >= s) {
			l[x] = r[x] = x - s;
			return;
		}
		init(x * 2);
		init(x * 2 + 1);
		l[x] = l[x * 2];
		r[x] = r[x * 2 + 1];
		tree[x] = tree[x * 2] + tree[x * 2 + 1];
	}
public:
	Segment_Tree<T>() {

	}
	Segment_Tree<T>(vector<T>& v) {
		N = v.size();
		s = 1 << (unsigned int)ceil(log2(N));
		tree.resize(2 * s + 1);
		l.resize(2 * s + 1);
		r.resize(2 * s + 1);
		unsigned int i;
		for (i = 0; i < N; i++) tree[i + s] = v[i];
		init();
	}
	T query(unsigned int low, unsigned int high) { return query(low, high, 1); }
	void update(unsigned int location, T new_value) { _update(location, new_value); }
};
struct dat {
	ll x, t, a, b;
	dat() {}
	dat(ll x, ll t, ll a, ll b) :x(x), t(t), a(a), b(b) {}
	bool operator<(dat d) {
		if (t != d.t) return t < d.t;
		if (x != d.x) return x < d.x;
		if (a != d.a) return a < d.a;
		return b < d.b;
	}
};
struct Query {
	ll l, y, num;
	Query() {}
	Query(ll l, ll y, ll num) :l(l), y(y), num(num) {}
	bool operator<(Query q) {
		return y < q.y;
	}
};
map<ll, vector<dat>> arr;
multiset<ll> st[MAX];
vector<Query> query;
ll ans[MAX];
vector<ll> point, tarr;
vector<pll> larr;
vector<pair<ll, pair<ll, pll>>> qlog;
ll chk[MAX];
struct node {
	ll x, y;
	ll lv, rv;
	node() :x(0), y(0), lv(0), rv(-INF) {}
	node(ll x, ll y) :x(x), y(y) {
		lv = x + y;
		rv = y - x;
	}
	node(ll x, ll y, ll lv, ll rv) :x(x), y(y), lv(lv), rv(rv) {}
	node operator+(node x) { return node(0, 0, max(lv, x.lv), max(rv, x.rv)); }
};
bool operator<(pll p1, pll p2) {
	if (p1.first == p2.first) return p1.second < p2.second;
	return p1.first < p2.first;
}
ll getind(pll x) {
	return lower_bound(larr.begin(), larr.end(), x) - larr.begin();
}
signed main() {
	ios::sync_with_stdio(false), cin.tie(0);
	ll N, K, Q;
	cin >> N >> K >> Q;
	ll i;
	ll x, t, a, b;
	vector<dat> datset;
	for (i = 1; i <= N; i++) {
		cin >> x >> t >> a >> b;
		arr[a].push_back(dat(x, t, a, b));
		arr[b + 1].push_back(dat(x, t, a, b));
		tarr.push_back(a);
		tarr.push_back(b + 1);
	}
	for (i = 0; i < Q; i++) {
		cin >> a >> b;
		query.push_back(Query(a, b, i));
	}
	sort(query.begin(), query.end());
	//simulation
	for (i = 1; i <= K; i++) st[i].insert(-INF);
	for (i = 1; i <= K; i++) st[i].insert(INF);
	map<ll, vector<dat>>::iterator it;
	for (it = arr.begin(); it != arr.end(); it++) {
		t = it->first;
		for (auto d : it->second) {
			ll pv = *prev(st[d.t].lower_bound(d.x));
			ll ne = *st[d.t].upper_bound(d.x);
			if (d.a == t) st[d.t].insert(d.x);
			else st[d.t].erase(st[d.t].find(d.x));
			larr.emplace_back(pv + ne, d.t);
			larr.emplace_back(pv + d.x, d.t);
			larr.emplace_back(d.x + ne, d.t);
		}
	}
	Segment_Tree<node> segtree;
	vector<node> v(larr.size());
	segtree = Segment_Tree<node>(v);
	it = arr.begin();
	ll cnt = 0;
	sort(larr.begin(), larr.end());
	larr.erase(unique(larr.begin(), larr.end()), larr.end());
	for (i = 0; i < Q; i++) {
		Query q = query[i];
		while (it != arr.end()) {
			ll t = it->first;
			if (t > q.y) break;
			for (auto d : it->second) {
				ll pv = *prev(st[d.t].lower_bound(d.x));
				ll ne = *st[d.t].upper_bound(d.x);
				if (d.a == t) {
					segtree.update(getind({ pv + ne, d.t }), node(pv + ne, 0));
					segtree.update(getind({ pv + d.x, d.t }), node(pv + d.x, d.x - pv));
					segtree.update(getind({ d.x + ne, d.t }), node(d.x + ne, ne - d.x));
					st[d.t].insert(d.x);
					if (!chk[d.t]) cnt++;
					chk[d.t]++;
				}
				else {
					st[d.t].erase(st[d.t].find(d.x));
					if (chk[d.t] == 1) cnt--;
					chk[d.t]--;
					if (st[d.t].find(d.x) != st[d.t].end()) continue;
					segtree.update(getind({ pv + ne, d.t }), node(pv + ne, ne - pv));
					segtree.update(getind({ pv + d.x, d.t }), node(pv + d.x, 0));
					segtree.update(getind({ d.x + ne, d.t }), node(d.x + ne, 0));
				}
			}
			it++;
		}
		if (cnt != K) {
			ans[q.num] = -1;
			continue;
		}
		node l = segtree.query(0, getind({ 2 * q.l, 10101010 }) - 1);
		node r = segtree.query(getind({ 2 * q.l, -1 }), larr.size() - 1);
		ans[q.num] = max(l.lv - 2 * q.l, r.rv + 2 * q.l) / 2;
	}
	for (i = 0; i < Q; i++) cout << ans[i] << ln;
	return 0;
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 14488 KB Output is correct
2 Correct 10 ms 14412 KB Output is correct
3 Correct 9 ms 14468 KB Output is correct
4 Correct 9 ms 14412 KB Output is correct
5 Correct 11 ms 14984 KB Output is correct
6 Correct 12 ms 14988 KB Output is correct
7 Correct 12 ms 15052 KB Output is correct
8 Correct 12 ms 15004 KB Output is correct
9 Correct 11 ms 15052 KB Output is correct
10 Correct 12 ms 15052 KB Output is correct
11 Correct 11 ms 15004 KB Output is correct
12 Correct 12 ms 15052 KB Output is correct
13 Correct 11 ms 15052 KB Output is correct
14 Correct 12 ms 14984 KB Output is correct
15 Correct 13 ms 15052 KB Output is correct
16 Correct 12 ms 15068 KB Output is correct
17 Correct 14 ms 15052 KB Output is correct
18 Correct 13 ms 15052 KB Output is correct
19 Correct 14 ms 15120 KB Output is correct
20 Correct 12 ms 14992 KB Output is correct
21 Correct 11 ms 15052 KB Output is correct
22 Correct 12 ms 15052 KB Output is correct
23 Correct 12 ms 15052 KB Output is correct
24 Correct 12 ms 15052 KB Output is correct
25 Correct 12 ms 15052 KB Output is correct
26 Correct 12 ms 14992 KB Output is correct
27 Correct 11 ms 14924 KB Output is correct
28 Correct 12 ms 15052 KB Output is correct
29 Correct 12 ms 14992 KB Output is correct
30 Correct 11 ms 14868 KB Output is correct

Subtask #2
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 14488 KB Output is correct
2 Correct 10 ms 14412 KB Output is correct
3 Correct 9 ms 14468 KB Output is correct
4 Correct 9 ms 14412 KB Output is correct
5 Correct 11 ms 14984 KB Output is correct
6 Correct 12 ms 14988 KB Output is correct
7 Correct 12 ms 15052 KB Output is correct
8 Correct 12 ms 15004 KB Output is correct
9 Correct 11 ms 15052 KB Output is correct
10 Correct 12 ms 15052 KB Output is correct
11 Correct 11 ms 15004 KB Output is correct
12 Correct 12 ms 15052 KB Output is correct
13 Correct 11 ms 15052 KB Output is correct
14 Correct 12 ms 14984 KB Output is correct
15 Correct 13 ms 15052 KB Output is correct
16 Correct 12 ms 15068 KB Output is correct
17 Correct 14 ms 15052 KB Output is correct
18 Correct 13 ms 15052 KB Output is correct
19 Correct 14 ms 15120 KB Output is correct
20 Correct 12 ms 14992 KB Output is correct
21 Correct 11 ms 15052 KB Output is correct
22 Correct 12 ms 15052 KB Output is correct
23 Correct 12 ms 15052 KB Output is correct
24 Correct 12 ms 15052 KB Output is correct
25 Correct 12 ms 15052 KB Output is correct
26 Correct 12 ms 14992 KB Output is correct
27 Correct 11 ms 14924 KB Output is correct
28 Correct 12 ms 15052 KB Output is correct
29 Correct 12 ms 14992 KB Output is correct
30 Correct 11 ms 14868 KB Output is correct
31 Correct 839 ms 96460 KB Output is correct
32 Correct 319 ms 82268 KB Output is correct
33 Correct 803 ms 94492 KB Output is correct
34 Correct 759 ms 94780 KB Output is correct
35 Correct 812 ms 96388 KB Output is correct
36 Correct 844 ms 96444 KB Output is correct
37 Correct 558 ms 93772 KB Output is correct
38 Correct 573 ms 93584 KB Output is correct
39 Correct 476 ms 93412 KB Output is correct
40 Correct 489 ms 93420 KB Output is correct
41 Correct 637 ms 93648 KB Output is correct
42 Correct 620 ms 93624 KB Output is correct
43 Correct 238 ms 84632 KB Output is correct
44 Correct 649 ms 93760 KB Output is correct
45 Correct 685 ms 93692 KB Output is correct
46 Correct 580 ms 93628 KB Output is correct
47 Correct 375 ms 91768 KB Output is correct
48 Correct 359 ms 91428 KB Output is correct
49 Correct 400 ms 92436 KB Output is correct
50 Correct 420 ms 93168 KB Output is correct
51 Correct 410 ms 92216 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2957 ms 318924 KB Output is correct
2 Correct 3228 ms 317496 KB Output is correct
3 Correct 2543 ms 349280 KB Output is correct
4 Correct 2966 ms 328900 KB Output is correct
5 Correct 3156 ms 317008 KB Output is correct
6 Correct 3072 ms 317432 KB Output is correct
7 Correct 1862 ms 349180 KB Output is correct
8 Correct 2219 ms 328948 KB Output is correct
9 Correct 2419 ms 321800 KB Output is correct
10 Correct 2797 ms 318192 KB Output is correct
11 Correct 1689 ms 315112 KB Output is correct
12 Correct 1838 ms 317272 KB Output is correct

Subtask #4
23.0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4686 ms 341212 KB Output is correct
2 Correct 1703 ms 315556 KB Output is correct
3 Correct 4992 ms 345856 KB Output is correct
4 Correct 3947 ms 375616 KB Output is correct
5 Correct 3841 ms 351200 KB Output is correct
6 Correct 3876 ms 355172 KB Output is correct
7 Correct 4714 ms 345336 KB Output is correct
8 Correct 4936 ms 345564 KB Output is correct
9 Correct 3505 ms 375544 KB Output is correct
10 Correct 3876 ms 352840 KB Output is correct
11 Correct 4042 ms 347132 KB Output is correct
12 Correct 4460 ms 344728 KB Output is correct
13 Correct 2199 ms 338492 KB Output is correct
14 Correct 2136 ms 336140 KB Output is correct
15 Correct 2419 ms 339992 KB Output is correct
16 Correct 2621 ms 342176 KB Output is correct
17 Correct 2624 ms 338480 KB Output is correct

Subtask #5
35.0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 14488 KB Output is correct
2 Correct 10 ms 14412 KB Output is correct
3 Correct 9 ms 14468 KB Output is correct
4 Correct 9 ms 14412 KB Output is correct
5 Correct 11 ms 14984 KB Output is correct
6 Correct 12 ms 14988 KB Output is correct
7 Correct 12 ms 15052 KB Output is correct
8 Correct 12 ms 15004 KB Output is correct
9 Correct 11 ms 15052 KB Output is correct
10 Correct 12 ms 15052 KB Output is correct
11 Correct 11 ms 15004 KB Output is correct
12 Correct 12 ms 15052 KB Output is correct
13 Correct 11 ms 15052 KB Output is correct
14 Correct 12 ms 14984 KB Output is correct
15 Correct 13 ms 15052 KB Output is correct
16 Correct 12 ms 15068 KB Output is correct
17 Correct 14 ms 15052 KB Output is correct
18 Correct 13 ms 15052 KB Output is correct
19 Correct 14 ms 15120 KB Output is correct
20 Correct 12 ms 14992 KB Output is correct
21 Correct 11 ms 15052 KB Output is correct
22 Correct 12 ms 15052 KB Output is correct
23 Correct 12 ms 15052 KB Output is correct
24 Correct 12 ms 15052 KB Output is correct
25 Correct 12 ms 15052 KB Output is correct
26 Correct 12 ms 14992 KB Output is correct
27 Correct 11 ms 14924 KB Output is correct
28 Correct 12 ms 15052 KB Output is correct
29 Correct 12 ms 14992 KB Output is correct
30 Correct 11 ms 14868 KB Output is correct
31 Correct 839 ms 96460 KB Output is correct
32 Correct 319 ms 82268 KB Output is correct
33 Correct 803 ms 94492 KB Output is correct
34 Correct 759 ms 94780 KB Output is correct
35 Correct 812 ms 96388 KB Output is correct
36 Correct 844 ms 96444 KB Output is correct
37 Correct 558 ms 93772 KB Output is correct
38 Correct 573 ms 93584 KB Output is correct
39 Correct 476 ms 93412 KB Output is correct
40 Correct 489 ms 93420 KB Output is correct
41 Correct 637 ms 93648 KB Output is correct
42 Correct 620 ms 93624 KB Output is correct
43 Correct 238 ms 84632 KB Output is correct
44 Correct 649 ms 93760 KB Output is correct
45 Correct 685 ms 93692 KB Output is correct
46 Correct 580 ms 93628 KB Output is correct
47 Correct 375 ms 91768 KB Output is correct
48 Correct 359 ms 91428 KB Output is correct
49 Correct 400 ms 92436 KB Output is correct
50 Correct 420 ms 93168 KB Output is correct
51 Correct 410 ms 92216 KB Output is correct
52 Correct 707 ms 102292 KB Output is correct
53 Correct 709 ms 100560 KB Output is correct
54 Correct 664 ms 98220 KB Output is correct
55 Correct 666 ms 96668 KB Output is correct
56 Correct 649 ms 98016 KB Output is correct
57 Correct 672 ms 94552 KB Output is correct
58 Correct 634 ms 96636 KB Output is correct
59 Correct 631 ms 97976 KB Output is correct
60 Correct 616 ms 94556 KB Output is correct
61 Correct 269 ms 90964 KB Output is correct
62 Correct 774 ms 102356 KB Output is correct
63 Correct 698 ms 98888 KB Output is correct
64 Correct 678 ms 97476 KB Output is correct
65 Correct 802 ms 94872 KB Output is correct
66 Correct 705 ms 93848 KB Output is correct
67 Correct 477 ms 82196 KB Output is correct

Subtask #6
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 14488 KB Output is correct
2 Correct 10 ms 14412 KB Output is correct
3 Correct 9 ms 14468 KB Output is correct
4 Correct 9 ms 14412 KB Output is correct
5 Correct 11 ms 14984 KB Output is correct
6 Correct 12 ms 14988 KB Output is correct
7 Correct 12 ms 15052 KB Output is correct
8 Correct 12 ms 15004 KB Output is correct
9 Correct 11 ms 15052 KB Output is correct
10 Correct 12 ms 15052 KB Output is correct
11 Correct 11 ms 15004 KB Output is correct
12 Correct 12 ms 15052 KB Output is correct
13 Correct 11 ms 15052 KB Output is correct
14 Correct 12 ms 14984 KB Output is correct
15 Correct 13 ms 15052 KB Output is correct
16 Correct 12 ms 15068 KB Output is correct
17 Correct 14 ms 15052 KB Output is correct
18 Correct 13 ms 15052 KB Output is correct
19 Correct 14 ms 15120 KB Output is correct
20 Correct 12 ms 14992 KB Output is correct
21 Correct 11 ms 15052 KB Output is correct
22 Correct 12 ms 15052 KB Output is correct
23 Correct 12 ms 15052 KB Output is correct
24 Correct 12 ms 15052 KB Output is correct
25 Correct 12 ms 15052 KB Output is correct
26 Correct 12 ms 14992 KB Output is correct
27 Correct 11 ms 14924 KB Output is correct
28 Correct 12 ms 15052 KB Output is correct
29 Correct 12 ms 14992 KB Output is correct
30 Correct 11 ms 14868 KB Output is correct
31 Correct 839 ms 96460 KB Output is correct
32 Correct 319 ms 82268 KB Output is correct
33 Correct 803 ms 94492 KB Output is correct
34 Correct 759 ms 94780 KB Output is correct
35 Correct 812 ms 96388 KB Output is correct
36 Correct 844 ms 96444 KB Output is correct
37 Correct 558 ms 93772 KB Output is correct
38 Correct 573 ms 93584 KB Output is correct
39 Correct 476 ms 93412 KB Output is correct
40 Correct 489 ms 93420 KB Output is correct
41 Correct 637 ms 93648 KB Output is correct
42 Correct 620 ms 93624 KB Output is correct
43 Correct 238 ms 84632 KB Output is correct
44 Correct 649 ms 93760 KB Output is correct
45 Correct 685 ms 93692 KB Output is correct
46 Correct 580 ms 93628 KB Output is correct
47 Correct 375 ms 91768 KB Output is correct
48 Correct 359 ms 91428 KB Output is correct
49 Correct 400 ms 92436 KB Output is correct
50 Correct 420 ms 93168 KB Output is correct
51 Correct 410 ms 92216 KB Output is correct
52 Correct 2957 ms 318924 KB Output is correct
53 Correct 3228 ms 317496 KB Output is correct
54 Correct 2543 ms 349280 KB Output is correct
55 Correct 2966 ms 328900 KB Output is correct
56 Correct 3156 ms 317008 KB Output is correct
57 Correct 3072 ms 317432 KB Output is correct
58 Correct 1862 ms 349180 KB Output is correct
59 Correct 2219 ms 328948 KB Output is correct
60 Correct 2419 ms 321800 KB Output is correct
61 Correct 2797 ms 318192 KB Output is correct
62 Correct 1689 ms 315112 KB Output is correct
63 Correct 1838 ms 317272 KB Output is correct
64 Correct 4686 ms 341212 KB Output is correct
65 Correct 1703 ms 315556 KB Output is correct
66 Correct 4992 ms 345856 KB Output is correct
67 Correct 3947 ms 375616 KB Output is correct
68 Correct 3841 ms 351200 KB Output is correct
69 Correct 3876 ms 355172 KB Output is correct
70 Correct 4714 ms 345336 KB Output is correct
71 Correct 4936 ms 345564 KB Output is correct
72 Correct 3505 ms 375544 KB Output is correct
73 Correct 3876 ms 352840 KB Output is correct
74 Correct 4042 ms 347132 KB Output is correct
75 Correct 4460 ms 344728 KB Output is correct
76 Correct 2199 ms 338492 KB Output is correct
77 Correct 2136 ms 336140 KB Output is correct
78 Correct 2419 ms 339992 KB Output is correct
79 Correct 2621 ms 342176 KB Output is correct
80 Correct 2624 ms 338480 KB Output is correct
81 Correct 707 ms 102292 KB Output is correct
82 Correct 709 ms 100560 KB Output is correct
83 Correct 664 ms 98220 KB Output is correct
84 Correct 666 ms 96668 KB Output is correct
85 Correct 649 ms 98016 KB Output is correct
86 Correct 672 ms 94552 KB Output is correct
87 Correct 634 ms 96636 KB Output is correct
88 Correct 631 ms 97976 KB Output is correct
89 Correct 616 ms 94556 KB Output is correct
90 Correct 269 ms 90964 KB Output is correct
91 Correct 774 ms 102356 KB Output is correct
92 Correct 698 ms 98888 KB Output is correct
93 Correct 678 ms 97476 KB Output is correct
94 Correct 802 ms 94872 KB Output is correct
95 Correct 705 ms 93848 KB Output is correct
96 Correct 477 ms 82196 KB Output is correct
97 Correct 4757 ms 397816 KB Output is correct
98 Correct 1705 ms 307540 KB Output is correct
99 Execution timed out 5084 ms 357900 KB Time limit exceeded
100 Halted 0 ms 0 KB -