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Submission #625228

# Submission time Handle Problem Language Result Execution time Memory
625228 2022-08-09T16:24:33 Z QwertyPi New Home (APIO18_new_home) C++14
47 / 100
 4412 ms 459868 KB 
#include <bits/stdc++.h>
#pragma optimize("unroll-loops")
#pragma optimize("Ofast")
const int N = 300013;
using namespace std;

struct Store{
	int x, ty, a, b;
};

struct Query{
	int t, ty, x, id;
};

struct Pair{
	Pair() = default;
	Pair(int _x, int _y, int _d) : x(_x), y(_y), d(_d){};
	int x, y, d;
};

struct DS{
	vector<int> sp[N], bits[N];
	string name;
	DS() = default;
	DS(string _n) : name(_n){}
	void insert(Pair p){
		int x = p.x + 1, y = p.y + 1;
		for(int i = x; i < N; i += i & -i){
			sp[i].push_back(y);
		}
	}
	void parse(){
		for(int i = 0; i < N; i++) sp[i].push_back(0);
		for(int i = 0; i < N; i++){
			sort(sp[i].begin(), sp[i].end());
			sp[i].resize(unique(sp[i].begin(), sp[i].end()) - sp[i].begin());
			bits[i].resize(sp[i].size());
		}
	}
	void add(Pair p){
		int x = p.x + 1, y = p.y + 1;
		for(int i = x; i < N; i += i & -i){
			int idx = lower_bound(sp[i].begin(), sp[i].end(), y) - sp[i].begin();
			for(int j = idx; j < sp[i].size(); j += j & -j){
				bits[i][j] += p.d;
			}
		}
	}
	int qry(int x, int y){
		x++; y++;
		int ret = 0;
		for(int i = x; i; i -= i & -i){
			int idx = upper_bound(sp[i].begin(), sp[i].end(), y) - 1 - sp[i].begin();
			for(int j = idx; j; j -= j & -j){
				ret += bits[i][j];
			}
		}
		return ret;
	}
	int qry(int x1, int x2, int y1, int y2){
		return qry(x2, y2) + qry(x1 - 1, y1 - 1) - qry(x2, y1 - 1) - qry(x1 - 1, y2);
	}
} ds;

struct BIT{
	int bit[N];
	void add(int p, int v){
		p++;
		for(int i = p; i < N; i += i & -i){
			bit[i] += v;
		}
	}
	int qry(int p){
		int ret = 0;
		p++;
		for(int i = p; i; i -= i & -i){
			ret += bit[i];
		}
		return ret;
	}
	int qry(int l, int r){
		return qry(r) - qry(l - 1);
	}
} bit;

vector<Store> stores;
vector<Query> Q;
vector<Pair> C[N * 3], D[N * 3];
int m;
int p[N * 2];
int ans[N];

int n, k, q;

bool check(int x1, int x2){
	int l = lower_bound(p, p + m, x1) - p;
	int r = upper_bound(p, p + m, x2) - 1 - p;
	int c1 = bit.qry(l, r);
	int c2 = ds.qry(l, r, l, r);
	assert(c1 - c2 >= 0 && c1 - c2 <= k);
	return c1 - c2 == k;
}

int qry(int x){
	int l = 0, r = 1e9;
	while(l != r){
		int mid = (l + r) / 2;
		if(check(p[x] - mid, p[x] + mid)){
			r = mid;
		}else{
			l = mid + 1;
		}
	}
	return l >= 9e8 ? -1 : l;
}

int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(0); cout.tie(0);
	cin >> n >> k >> q;
	vector<int> sp;
	for(int i = 0; i < n; i++){
		int x, ty, a, b;
		cin >> x >> ty >> a >> b;
		stores.push_back({x, ty, a, b + 1}); 
		sp.push_back(a);
		sp.push_back(b + 1);
	}
	for(int i = 0; i < q; i++){
		int x, t;
		cin >> x >> t;
		Q.push_back({t, 2, x, i});
	}
	sort(sp.begin(), sp.end());
	sp.resize(unique(sp.begin(), sp.end()) - sp.begin());
	{
		map<int, int> M;
		for(int i = 0; i < sp.size(); i++){
			M[sp[i]] = i;
		}
		for(auto& st : stores){
			st.a = M[st.a];
			st.b = M[st.b];
		}
		for(auto& q : Q){
			q.t = upper_bound(sp.begin(), sp.end(), q.t) - sp.begin() - 1; 
		}
	}
	{
		vector<int> xs;
		for(auto st : stores){
			xs.push_back(st.x);
		}
		for(auto q : Q){
			xs.push_back(q.x);
		}
		sort(xs.begin(), xs.end());
		xs.resize(unique(xs.begin(), xs.end()) - xs.begin());
		m = xs.size();
		for(int i = 0; i < m; i++){
			p[i] = xs[i];
		}
		map<int, int> M;
		for(int i = 0; i < m; i++){
			M[xs[i]] = i;
		}
		for(auto& st : stores){
			st.x = M[st.x];
		}
		for(auto& q : Q){
			q.x = M[q.x];
		}
	}
	for(auto st : stores){
		Q.push_back({st.a, 1, st.x, st.ty});
		Q.push_back({st.b, 0, st.x, st.ty});
	}
	
	sort(Q.begin(), Q.end(), [](Query a, Query b){
		return a.t < b.t || a.t == b.t && a.ty < b.ty;
	});
	multiset<int> vset[N];
	for(int i = 0; i < Q.size(); i++){
		Query q = Q[i];
		auto ptr = vset[q.id].begin();
		switch(q.ty){
			case 0:
				ptr = vset[q.id].lower_bound(q.x);
				assert(ptr != vset[q.id].end());
				if(ptr != vset[q.id].begin()) C[i].push_back({*prev(ptr), *ptr, -1});
				if(next(ptr) != vset[q.id].end()) C[i].push_back({*ptr, *next(ptr), -1});
				if(ptr != vset[q.id].begin() && next(ptr) != vset[q.id].end()) C[i].push_back({*prev(ptr), *next(ptr), 1});
				D[i].push_back({q.x, -1, -1});
				vset[q.id].erase(ptr);
				break;
			case 1:
				ptr = vset[q.id].lower_bound(q.x);
				if(ptr != vset[q.id].end() && ptr != vset[q.id].begin()) C[i].push_back({*prev(ptr), *ptr, -1});
				if(ptr != vset[q.id].end()) C[i].push_back({q.x, *ptr, 1});
				if(ptr != vset[q.id].begin()) C[i].push_back({*prev(ptr), q.x, 1});
				D[i].push_back({q.x, -1, 1});
				vset[q.id].insert(q.x);
				break;
			case 2:
				break;
			default:
				assert(false);
		}
	}
	for(int i = 0; i < Q.size(); i++){
		for(auto p : C[i]){
			ds.insert(p);
		}
	}
	ds.parse();
	for(int i = 0; i < Q.size(); i++){
		for(auto p : C[i]){
			ds.add(p);
		}
		for(auto p : D[i]){
			bit.add(p.x, p.d);
		}
		Query q = Q[i];
		switch(q.ty){
			case 0:
				break;
			case 1:
				break;
			case 2: ans[q.id] = qry(q.x); break;
			default: assert(false);
		}
	}
	for(int i = 0; i < q; i++){
		cout << ans[i] << '\n';
	}
}

Compilation message

new_home.cpp:2: warning: ignoring '#pragma optimize ' [-Wunknown-pragmas]
    2 | #pragma optimize("unroll-loops")
      | 
new_home.cpp:3: warning: ignoring '#pragma optimize ' [-Wunknown-pragmas]
    3 | #pragma optimize("Ofast")
      | 
new_home.cpp: In member function 'void DS::add(Pair)':
new_home.cpp:44:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |    for(int j = idx; j < sp[i].size(); j += j & -j){
      |                     ~~^~~~~~~~~~~~~~
new_home.cpp: In function 'int main()':
new_home.cpp:138:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  138 |   for(int i = 0; i < sp.size(); i++){
      |                  ~~^~~~~~~~~~~
new_home.cpp: In lambda function:
new_home.cpp:180:34: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
  180 |   return a.t < b.t || a.t == b.t && a.ty < b.ty;
      |                       ~~~~~~~~~~~^~~~~~~~~~~~~~
new_home.cpp: In function 'int main()':
new_home.cpp:183:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Query>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  183 |  for(int i = 0; i < Q.size(); i++){
      |                 ~~^~~~~~~~~~
new_home.cpp:210:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Query>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  210 |  for(int i = 0; i < Q.size(); i++){
      |                 ~~^~~~~~~~~~
new_home.cpp:216:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Query>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  216 |  for(int i = 0; i < Q.size(); i++){
      |                 ~~^~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 73 ms 89492 KB Output is correct
2 Correct 64 ms 89596 KB Output is correct
3 Correct 64 ms 89596 KB Output is correct
4 Correct 69 ms 89584 KB Output is correct
5 Correct 75 ms 89920 KB Output is correct
6 Correct 75 ms 89848 KB Output is correct
7 Correct 64 ms 89564 KB Output is correct
8 Correct 70 ms 89720 KB Output is correct
9 Correct 66 ms 89620 KB Output is correct
10 Correct 79 ms 89840 KB Output is correct
11 Correct 69 ms 89732 KB Output is correct
12 Correct 73 ms 89828 KB Output is correct
13 Correct 70 ms 89716 KB Output is correct
14 Correct 69 ms 89648 KB Output is correct
15 Correct 69 ms 89672 KB Output is correct
16 Correct 82 ms 89680 KB Output is correct
17 Correct 76 ms 89788 KB Output is correct
18 Correct 69 ms 89676 KB Output is correct
19 Correct 71 ms 89632 KB Output is correct
20 Correct 71 ms 89780 KB Output is correct
21 Correct 65 ms 89628 KB Output is correct
22 Correct 67 ms 89612 KB Output is correct
23 Correct 67 ms 89644 KB Output is correct
24 Correct 69 ms 89668 KB Output is correct
25 Correct 68 ms 89724 KB Output is correct
26 Correct 72 ms 89812 KB Output is correct
27 Correct 67 ms 89804 KB Output is correct
28 Correct 68 ms 89700 KB Output is correct
29 Correct 72 ms 89768 KB Output is correct
30 Correct 72 ms 89780 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 73 ms 89492 KB Output is correct
2 Correct 64 ms 89596 KB Output is correct
3 Correct 64 ms 89596 KB Output is correct
4 Correct 69 ms 89584 KB Output is correct
5 Correct 75 ms 89920 KB Output is correct
6 Correct 75 ms 89848 KB Output is correct
7 Correct 64 ms 89564 KB Output is correct
8 Correct 70 ms 89720 KB Output is correct
9 Correct 66 ms 89620 KB Output is correct
10 Correct 79 ms 89840 KB Output is correct
11 Correct 69 ms 89732 KB Output is correct
12 Correct 73 ms 89828 KB Output is correct
13 Correct 70 ms 89716 KB Output is correct
14 Correct 69 ms 89648 KB Output is correct
15 Correct 69 ms 89672 KB Output is correct
16 Correct 82 ms 89680 KB Output is correct
17 Correct 76 ms 89788 KB Output is correct
18 Correct 69 ms 89676 KB Output is correct
19 Correct 71 ms 89632 KB Output is correct
20 Correct 71 ms 89780 KB Output is correct
21 Correct 65 ms 89628 KB Output is correct
22 Correct 67 ms 89612 KB Output is correct
23 Correct 67 ms 89644 KB Output is correct
24 Correct 69 ms 89668 KB Output is correct
25 Correct 68 ms 89724 KB Output is correct
26 Correct 72 ms 89812 KB Output is correct
27 Correct 67 ms 89804 KB Output is correct
28 Correct 68 ms 89700 KB Output is correct
29 Correct 72 ms 89768 KB Output is correct
30 Correct 72 ms 89780 KB Output is correct
31 Correct 4339 ms 128632 KB Output is correct
32 Correct 553 ms 135484 KB Output is correct
33 Correct 4009 ms 130732 KB Output is correct
34 Correct 4046 ms 130388 KB Output is correct
35 Correct 4412 ms 131760 KB Output is correct
36 Correct 4074 ms 131220 KB Output is correct
37 Correct 3497 ms 130156 KB Output is correct
38 Correct 3246 ms 130060 KB Output is correct
39 Correct 2729 ms 129044 KB Output is correct
40 Correct 2847 ms 129516 KB Output is correct
41 Correct 1672 ms 117248 KB Output is correct
42 Correct 1289 ms 117112 KB Output is correct
43 Correct 250 ms 114224 KB Output is correct
44 Correct 1670 ms 117424 KB Output is correct
45 Correct 1912 ms 117300 KB Output is correct
46 Correct 2391 ms 117224 KB Output is correct
47 Correct 1288 ms 112324 KB Output is correct
48 Correct 1573 ms 113504 KB Output is correct
49 Correct 1738 ms 115240 KB Output is correct
50 Correct 1508 ms 114416 KB Output is correct
51 Correct 2059 ms 115452 KB Output is correct

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 2121 ms 399120 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Runtime error 3088 ms 459868 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 73 ms 89492 KB Output is correct
2 Correct 64 ms 89596 KB Output is correct
3 Correct 64 ms 89596 KB Output is correct
4 Correct 69 ms 89584 KB Output is correct
5 Correct 75 ms 89920 KB Output is correct
6 Correct 75 ms 89848 KB Output is correct
7 Correct 64 ms 89564 KB Output is correct
8 Correct 70 ms 89720 KB Output is correct
9 Correct 66 ms 89620 KB Output is correct
10 Correct 79 ms 89840 KB Output is correct
11 Correct 69 ms 89732 KB Output is correct
12 Correct 73 ms 89828 KB Output is correct
13 Correct 70 ms 89716 KB Output is correct
14 Correct 69 ms 89648 KB Output is correct
15 Correct 69 ms 89672 KB Output is correct
16 Correct 82 ms 89680 KB Output is correct
17 Correct 76 ms 89788 KB Output is correct
18 Correct 69 ms 89676 KB Output is correct
19 Correct 71 ms 89632 KB Output is correct
20 Correct 71 ms 89780 KB Output is correct
21 Correct 65 ms 89628 KB Output is correct
22 Correct 67 ms 89612 KB Output is correct
23 Correct 67 ms 89644 KB Output is correct
24 Correct 69 ms 89668 KB Output is correct
25 Correct 68 ms 89724 KB Output is correct
26 Correct 72 ms 89812 KB Output is correct
27 Correct 67 ms 89804 KB Output is correct
28 Correct 68 ms 89700 KB Output is correct
29 Correct 72 ms 89768 KB Output is correct
30 Correct 72 ms 89780 KB Output is correct
31 Correct 4339 ms 128632 KB Output is correct
32 Correct 553 ms 135484 KB Output is correct
33 Correct 4009 ms 130732 KB Output is correct
34 Correct 4046 ms 130388 KB Output is correct
35 Correct 4412 ms 131760 KB Output is correct
36 Correct 4074 ms 131220 KB Output is correct
37 Correct 3497 ms 130156 KB Output is correct
38 Correct 3246 ms 130060 KB Output is correct
39 Correct 2729 ms 129044 KB Output is correct
40 Correct 2847 ms 129516 KB Output is correct
41 Correct 1672 ms 117248 KB Output is correct
42 Correct 1289 ms 117112 KB Output is correct
43 Correct 250 ms 114224 KB Output is correct
44 Correct 1670 ms 117424 KB Output is correct
45 Correct 1912 ms 117300 KB Output is correct
46 Correct 2391 ms 117224 KB Output is correct
47 Correct 1288 ms 112324 KB Output is correct
48 Correct 1573 ms 113504 KB Output is correct
49 Correct 1738 ms 115240 KB Output is correct
50 Correct 1508 ms 114416 KB Output is correct
51 Correct 2059 ms 115452 KB Output is correct
52 Correct 519 ms 102892 KB Output is correct
53 Correct 508 ms 102296 KB Output is correct
54 Correct 1080 ms 113764 KB Output is correct
55 Correct 1451 ms 112216 KB Output is correct
56 Correct 1349 ms 110072 KB Output is correct
57 Correct 1655 ms 116004 KB Output is correct
58 Correct 1236 ms 112156 KB Output is correct
59 Correct 1088 ms 109748 KB Output is correct
60 Correct 1292 ms 115820 KB Output is correct
61 Correct 164 ms 101648 KB Output is correct
62 Correct 526 ms 103056 KB Output is correct
63 Correct 969 ms 109012 KB Output is correct
64 Correct 1061 ms 111552 KB Output is correct
65 Correct 1350 ms 115244 KB Output is correct
66 Correct 1553 ms 117252 KB Output is correct
67 Correct 410 ms 116332 KB Output is correct

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 73 ms 89492 KB Output is correct
2 Correct 64 ms 89596 KB Output is correct
3 Correct 64 ms 89596 KB Output is correct
4 Correct 69 ms 89584 KB Output is correct
5 Correct 75 ms 89920 KB Output is correct
6 Correct 75 ms 89848 KB Output is correct
7 Correct 64 ms 89564 KB Output is correct
8 Correct 70 ms 89720 KB Output is correct
9 Correct 66 ms 89620 KB Output is correct
10 Correct 79 ms 89840 KB Output is correct
11 Correct 69 ms 89732 KB Output is correct
12 Correct 73 ms 89828 KB Output is correct
13 Correct 70 ms 89716 KB Output is correct
14 Correct 69 ms 89648 KB Output is correct
15 Correct 69 ms 89672 KB Output is correct
16 Correct 82 ms 89680 KB Output is correct
17 Correct 76 ms 89788 KB Output is correct
18 Correct 69 ms 89676 KB Output is correct
19 Correct 71 ms 89632 KB Output is correct
20 Correct 71 ms 89780 KB Output is correct
21 Correct 65 ms 89628 KB Output is correct
22 Correct 67 ms 89612 KB Output is correct
23 Correct 67 ms 89644 KB Output is correct
24 Correct 69 ms 89668 KB Output is correct
25 Correct 68 ms 89724 KB Output is correct
26 Correct 72 ms 89812 KB Output is correct
27 Correct 67 ms 89804 KB Output is correct
28 Correct 68 ms 89700 KB Output is correct
29 Correct 72 ms 89768 KB Output is correct
30 Correct 72 ms 89780 KB Output is correct
31 Correct 4339 ms 128632 KB Output is correct
32 Correct 553 ms 135484 KB Output is correct
33 Correct 4009 ms 130732 KB Output is correct
34 Correct 4046 ms 130388 KB Output is correct
35 Correct 4412 ms 131760 KB Output is correct
36 Correct 4074 ms 131220 KB Output is correct
37 Correct 3497 ms 130156 KB Output is correct
38 Correct 3246 ms 130060 KB Output is correct
39 Correct 2729 ms 129044 KB Output is correct
40 Correct 2847 ms 129516 KB Output is correct
41 Correct 1672 ms 117248 KB Output is correct
42 Correct 1289 ms 117112 KB Output is correct
43 Correct 250 ms 114224 KB Output is correct
44 Correct 1670 ms 117424 KB Output is correct
45 Correct 1912 ms 117300 KB Output is correct
46 Correct 2391 ms 117224 KB Output is correct
47 Correct 1288 ms 112324 KB Output is correct
48 Correct 1573 ms 113504 KB Output is correct
49 Correct 1738 ms 115240 KB Output is correct
50 Correct 1508 ms 114416 KB Output is correct
51 Correct 2059 ms 115452 KB Output is correct
52 Runtime error 2121 ms 399120 KB Execution killed with signal 11
53 Halted 0 ms 0 KB -