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Submission #625203

# Submission time Handle Problem Language Result Execution time Memory
625203 2022-08-09T15:33:22 Z QwertyPi New Home (APIO18_new_home) C++14
47 / 100
 4959 ms 459472 KB 
#include <bits/stdc++.h>

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: In member function 'void DS::add(Pair)':
new_home.cpp:43:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   43 |    for(int j = idx; j < sp[i].size(); j += j & -j){
      |                     ~~^~~~~~~~~~~~~~
new_home.cpp: In function 'int main()':
new_home.cpp:137:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  137 |   for(int i = 0; i < sp.size(); i++){
      |                  ~~^~~~~~~~~~~
new_home.cpp: In lambda function:
new_home.cpp:179:34: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
  179 |   return a.t < b.t || a.t == b.t && a.ty < b.ty;
      |                       ~~~~~~~~~~~^~~~~~~~~~~~~~
new_home.cpp: In function 'int main()':
new_home.cpp:182:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Query>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  182 |  for(int i = 0; i < Q.size(); i++){
      |                 ~~^~~~~~~~~~
new_home.cpp:209:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Query>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  209 |  for(int i = 0; i < Q.size(); i++){
      |                 ~~^~~~~~~~~~
new_home.cpp:215:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Query>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  215 |  for(int i = 0; i < Q.size(); i++){
      |                 ~~^~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 68 ms 89532 KB Output is correct
2 Correct 66 ms 89504 KB Output is correct
3 Correct 63 ms 89592 KB Output is correct
4 Correct 67 ms 89600 KB Output is correct
5 Correct 73 ms 89932 KB Output is correct
6 Correct 71 ms 89804 KB Output is correct
7 Correct 73 ms 89640 KB Output is correct
8 Correct 74 ms 89760 KB Output is correct
9 Correct 67 ms 89624 KB Output is correct
10 Correct 81 ms 89916 KB Output is correct
11 Correct 70 ms 89744 KB Output is correct
12 Correct 79 ms 89744 KB Output is correct
13 Correct 70 ms 89680 KB Output is correct
14 Correct 71 ms 89688 KB Output is correct
15 Correct 71 ms 89684 KB Output is correct
16 Correct 73 ms 89648 KB Output is correct
17 Correct 77 ms 89692 KB Output is correct
18 Correct 75 ms 89760 KB Output is correct
19 Correct 69 ms 89804 KB Output is correct
20 Correct 69 ms 89692 KB Output is correct
21 Correct 64 ms 89552 KB Output is correct
22 Correct 83 ms 89760 KB Output is correct
23 Correct 72 ms 89676 KB Output is correct
24 Correct 68 ms 89724 KB Output is correct
25 Correct 71 ms 89720 KB Output is correct
26 Correct 80 ms 89788 KB Output is correct
27 Correct 69 ms 89668 KB Output is correct
28 Correct 76 ms 89848 KB Output is correct
29 Correct 73 ms 89708 KB Output is correct
30 Correct 68 ms 89644 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 68 ms 89532 KB Output is correct
2 Correct 66 ms 89504 KB Output is correct
3 Correct 63 ms 89592 KB Output is correct
4 Correct 67 ms 89600 KB Output is correct
5 Correct 73 ms 89932 KB Output is correct
6 Correct 71 ms 89804 KB Output is correct
7 Correct 73 ms 89640 KB Output is correct
8 Correct 74 ms 89760 KB Output is correct
9 Correct 67 ms 89624 KB Output is correct
10 Correct 81 ms 89916 KB Output is correct
11 Correct 70 ms 89744 KB Output is correct
12 Correct 79 ms 89744 KB Output is correct
13 Correct 70 ms 89680 KB Output is correct
14 Correct 71 ms 89688 KB Output is correct
15 Correct 71 ms 89684 KB Output is correct
16 Correct 73 ms 89648 KB Output is correct
17 Correct 77 ms 89692 KB Output is correct
18 Correct 75 ms 89760 KB Output is correct
19 Correct 69 ms 89804 KB Output is correct
20 Correct 69 ms 89692 KB Output is correct
21 Correct 64 ms 89552 KB Output is correct
22 Correct 83 ms 89760 KB Output is correct
23 Correct 72 ms 89676 KB Output is correct
24 Correct 68 ms 89724 KB Output is correct
25 Correct 71 ms 89720 KB Output is correct
26 Correct 80 ms 89788 KB Output is correct
27 Correct 69 ms 89668 KB Output is correct
28 Correct 76 ms 89848 KB Output is correct
29 Correct 73 ms 89708 KB Output is correct
30 Correct 68 ms 89644 KB Output is correct
31 Correct 4334 ms 128384 KB Output is correct
32 Correct 686 ms 135352 KB Output is correct
33 Correct 4368 ms 130732 KB Output is correct
34 Correct 4325 ms 130456 KB Output is correct
35 Correct 4959 ms 131728 KB Output is correct
36 Correct 4389 ms 131336 KB Output is correct
37 Correct 3901 ms 130160 KB Output is correct
38 Correct 3357 ms 129832 KB Output is correct
39 Correct 3172 ms 129024 KB Output is correct
40 Correct 3075 ms 129392 KB Output is correct
41 Correct 1908 ms 117316 KB Output is correct
42 Correct 1336 ms 117080 KB Output is correct
43 Correct 270 ms 114256 KB Output is correct
44 Correct 1874 ms 117380 KB Output is correct
45 Correct 2052 ms 117328 KB Output is correct
46 Correct 2461 ms 117228 KB Output is correct
47 Correct 1336 ms 112324 KB Output is correct
48 Correct 1674 ms 113452 KB Output is correct
49 Correct 1780 ms 114816 KB Output is correct
50 Correct 1549 ms 114268 KB Output is correct
51 Correct 2183 ms 115352 KB Output is correct

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 2224 ms 398928 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 3175 ms 459472 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 68 ms 89532 KB Output is correct
2 Correct 66 ms 89504 KB Output is correct
3 Correct 63 ms 89592 KB Output is correct
4 Correct 67 ms 89600 KB Output is correct
5 Correct 73 ms 89932 KB Output is correct
6 Correct 71 ms 89804 KB Output is correct
7 Correct 73 ms 89640 KB Output is correct
8 Correct 74 ms 89760 KB Output is correct
9 Correct 67 ms 89624 KB Output is correct
10 Correct 81 ms 89916 KB Output is correct
11 Correct 70 ms 89744 KB Output is correct
12 Correct 79 ms 89744 KB Output is correct
13 Correct 70 ms 89680 KB Output is correct
14 Correct 71 ms 89688 KB Output is correct
15 Correct 71 ms 89684 KB Output is correct
16 Correct 73 ms 89648 KB Output is correct
17 Correct 77 ms 89692 KB Output is correct
18 Correct 75 ms 89760 KB Output is correct
19 Correct 69 ms 89804 KB Output is correct
20 Correct 69 ms 89692 KB Output is correct
21 Correct 64 ms 89552 KB Output is correct
22 Correct 83 ms 89760 KB Output is correct
23 Correct 72 ms 89676 KB Output is correct
24 Correct 68 ms 89724 KB Output is correct
25 Correct 71 ms 89720 KB Output is correct
26 Correct 80 ms 89788 KB Output is correct
27 Correct 69 ms 89668 KB Output is correct
28 Correct 76 ms 89848 KB Output is correct
29 Correct 73 ms 89708 KB Output is correct
30 Correct 68 ms 89644 KB Output is correct
31 Correct 4334 ms 128384 KB Output is correct
32 Correct 686 ms 135352 KB Output is correct
33 Correct 4368 ms 130732 KB Output is correct
34 Correct 4325 ms 130456 KB Output is correct
35 Correct 4959 ms 131728 KB Output is correct
36 Correct 4389 ms 131336 KB Output is correct
37 Correct 3901 ms 130160 KB Output is correct
38 Correct 3357 ms 129832 KB Output is correct
39 Correct 3172 ms 129024 KB Output is correct
40 Correct 3075 ms 129392 KB Output is correct
41 Correct 1908 ms 117316 KB Output is correct
42 Correct 1336 ms 117080 KB Output is correct
43 Correct 270 ms 114256 KB Output is correct
44 Correct 1874 ms 117380 KB Output is correct
45 Correct 2052 ms 117328 KB Output is correct
46 Correct 2461 ms 117228 KB Output is correct
47 Correct 1336 ms 112324 KB Output is correct
48 Correct 1674 ms 113452 KB Output is correct
49 Correct 1780 ms 114816 KB Output is correct
50 Correct 1549 ms 114268 KB Output is correct
51 Correct 2183 ms 115352 KB Output is correct
52 Correct 574 ms 103080 KB Output is correct
53 Correct 510 ms 102340 KB Output is correct
54 Correct 1144 ms 113844 KB Output is correct
55 Correct 1493 ms 112256 KB Output is correct
56 Correct 1370 ms 110236 KB Output is correct
57 Correct 1698 ms 116152 KB Output is correct
58 Correct 1326 ms 112164 KB Output is correct
59 Correct 1106 ms 109756 KB Output is correct
60 Correct 1459 ms 115944 KB Output is correct
61 Correct 169 ms 101760 KB Output is correct
62 Correct 512 ms 103012 KB Output is correct
63 Correct 978 ms 108996 KB Output is correct
64 Correct 1147 ms 111556 KB Output is correct
65 Correct 1417 ms 115304 KB Output is correct
66 Correct 1653 ms 117352 KB Output is correct
67 Correct 422 ms 116392 KB Output is correct

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 68 ms 89532 KB Output is correct
2 Correct 66 ms 89504 KB Output is correct
3 Correct 63 ms 89592 KB Output is correct
4 Correct 67 ms 89600 KB Output is correct
5 Correct 73 ms 89932 KB Output is correct
6 Correct 71 ms 89804 KB Output is correct
7 Correct 73 ms 89640 KB Output is correct
8 Correct 74 ms 89760 KB Output is correct
9 Correct 67 ms 89624 KB Output is correct
10 Correct 81 ms 89916 KB Output is correct
11 Correct 70 ms 89744 KB Output is correct
12 Correct 79 ms 89744 KB Output is correct
13 Correct 70 ms 89680 KB Output is correct
14 Correct 71 ms 89688 KB Output is correct
15 Correct 71 ms 89684 KB Output is correct
16 Correct 73 ms 89648 KB Output is correct
17 Correct 77 ms 89692 KB Output is correct
18 Correct 75 ms 89760 KB Output is correct
19 Correct 69 ms 89804 KB Output is correct
20 Correct 69 ms 89692 KB Output is correct
21 Correct 64 ms 89552 KB Output is correct
22 Correct 83 ms 89760 KB Output is correct
23 Correct 72 ms 89676 KB Output is correct
24 Correct 68 ms 89724 KB Output is correct
25 Correct 71 ms 89720 KB Output is correct
26 Correct 80 ms 89788 KB Output is correct
27 Correct 69 ms 89668 KB Output is correct
28 Correct 76 ms 89848 KB Output is correct
29 Correct 73 ms 89708 KB Output is correct
30 Correct 68 ms 89644 KB Output is correct
31 Correct 4334 ms 128384 KB Output is correct
32 Correct 686 ms 135352 KB Output is correct
33 Correct 4368 ms 130732 KB Output is correct
34 Correct 4325 ms 130456 KB Output is correct
35 Correct 4959 ms 131728 KB Output is correct
36 Correct 4389 ms 131336 KB Output is correct
37 Correct 3901 ms 130160 KB Output is correct
38 Correct 3357 ms 129832 KB Output is correct
39 Correct 3172 ms 129024 KB Output is correct
40 Correct 3075 ms 129392 KB Output is correct
41 Correct 1908 ms 117316 KB Output is correct
42 Correct 1336 ms 117080 KB Output is correct
43 Correct 270 ms 114256 KB Output is correct
44 Correct 1874 ms 117380 KB Output is correct
45 Correct 2052 ms 117328 KB Output is correct
46 Correct 2461 ms 117228 KB Output is correct
47 Correct 1336 ms 112324 KB Output is correct
48 Correct 1674 ms 113452 KB Output is correct
49 Correct 1780 ms 114816 KB Output is correct
50 Correct 1549 ms 114268 KB Output is correct
51 Correct 2183 ms 115352 KB Output is correct
52 Runtime error 2224 ms 398928 KB Execution killed with signal 11
53 Halted 0 ms 0 KB -