Submission #1063008

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1063008	2024-08-17T13:17:41 Z	belgianbot	None (JOI16_matryoshka)	C++17	100 / 100	197 ms	25328 KB

matryoshka

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
#define ordered_set tree<pair<int,int>, null_type, less<pair<int,int>>, rb_tree_tag, tree_order_statistics_node_update>
#define fi first
#define se second
#define int long long

using namespace std;

signed main() {
	ios::sync_with_stdio(false);
	cin.tie(0);
	int N, Q; cin >> N >> Q;
	vector<pair<int,int>> a(N);
	vector<pair<pair<int,int>,int>> q(Q);
	vector<int> res(Q);
	for (int i = 0; i < N; i++) cin >> a[i].fi >> a[i].se;
	for (int i = 0; i < Q; i++) {cin >> q[i].fi.fi >> q[i].fi.se; q[i].se = i;}
	
	sort(a.rbegin(), a.rend());
	sort(q.rbegin(), q.rend());
	
	int j = 0, cnt = 0;
	ordered_set lis;
	for (int i = 0; i < Q; i++) {
		int ans = lis.order_of_key({q[i].fi.se + 1,-1});
		while (j < N && a[j].fi >= q[i].fi.fi) {
			vector<int> curr;
			int actual = a[j].fi;
			for (; j < N && a[j].fi == actual; j++) curr.push_back(a[j].se);
		
			for (int k = 0; k < curr.size(); k++) {
				auto up = lis.upper_bound({curr[k] + 1,-1});
				if (up == lis.end()) {
					if (curr[k] <= q[i].fi.se) ans++;
				}
				else {
					lis.erase(up);
					if ((*up).fi > q[i].fi.se && curr[k] <= q[i].fi.se) ans++;
				}
			}
			for (int k = 0; k < curr.size(); k++) lis.insert({curr[k], cnt++});
		}
		res[q[i].se] = ans;
	}
	
	for (int i = 0; i < Q; i++) cout << res[i] << '\n';
	return 0;
}

Compilation message

matryoshka.cpp: In function 'int main()':
matryoshka.cpp:34:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |    for (int k = 0; k < curr.size(); k++) {
      |                    ~~^~~~~~~~~~~~~
matryoshka.cpp:44:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |    for (int k = 0; k < curr.size(); k++) lis.insert({curr[k], cnt++});
      |                    ~~^~~~~~~~~~~~~

Subtask #1
11.0 / 11.0

#	Verdict	Memory	Grader output
1	Correct	348 KB	Output is correct
2	Correct	348 KB	Output is correct
3	Correct	348 KB	Output is correct
4	Correct	348 KB	Output is correct
5	Correct	456 KB	Output is correct
6	Correct	348 KB	Output is correct
7	Correct	456 KB	Output is correct
8	Correct	456 KB	Output is correct
9	Correct	348 KB	Output is correct
10	Correct	348 KB	Output is correct

Subtask #2
15.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	456 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	456 KB	Output is correct
8	Correct	0 ms	456 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	456 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	1 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct

Subtask #3
25.0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	456 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	456 KB	Output is correct
8	Correct	0 ms	456 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	456 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	1 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	2 ms	604 KB	Output is correct
24	Correct	1 ms	604 KB	Output is correct
25	Correct	2 ms	604 KB	Output is correct
26	Correct	1 ms	604 KB	Output is correct
27	Correct	1 ms	616 KB	Output is correct
28	Correct	2 ms	604 KB	Output is correct
29	Correct	2 ms	604 KB	Output is correct
30	Correct	2 ms	572 KB	Output is correct
31	Correct	2 ms	600 KB	Output is correct
32	Correct	2 ms	604 KB	Output is correct
33	Correct	1 ms	604 KB	Output is correct
34	Correct	2 ms	604 KB	Output is correct
35	Correct	1 ms	604 KB	Output is correct

Subtask #4
49.0 / 49.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	456 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	456 KB	Output is correct
8	Correct	0 ms	456 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	456 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	1 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	2 ms	604 KB	Output is correct
24	Correct	1 ms	604 KB	Output is correct
25	Correct	2 ms	604 KB	Output is correct
26	Correct	1 ms	604 KB	Output is correct
27	Correct	1 ms	616 KB	Output is correct
28	Correct	2 ms	604 KB	Output is correct
29	Correct	2 ms	604 KB	Output is correct
30	Correct	2 ms	572 KB	Output is correct
31	Correct	2 ms	600 KB	Output is correct
32	Correct	2 ms	604 KB	Output is correct
33	Correct	1 ms	604 KB	Output is correct
34	Correct	2 ms	604 KB	Output is correct
35	Correct	1 ms	604 KB	Output is correct
36	Correct	142 ms	15716 KB	Output is correct
37	Correct	146 ms	15096 KB	Output is correct
38	Correct	47 ms	5724 KB	Output is correct
39	Correct	118 ms	13396 KB	Output is correct
40	Correct	149 ms	15472 KB	Output is correct
41	Correct	142 ms	14832 KB	Output is correct
42	Correct	127 ms	15312 KB	Output is correct
43	Correct	197 ms	25328 KB	Output is correct
44	Correct	147 ms	18260 KB	Output is correct
45	Correct	154 ms	18260 KB	Output is correct
46	Correct	152 ms	18288 KB	Output is correct
47	Correct	134 ms	18044 KB	Output is correct
48	Correct	160 ms	18932 KB	Output is correct
49	Correct	133 ms	17912 KB	Output is correct
50	Correct	169 ms	19028 KB	Output is correct

Submission #1063008

Compilation message

Subtask #1 11.0 / 11.0

Subtask #2 15.0 / 15.0

Subtask #3 25.0 / 25.0

Subtask #4 49.0 / 49.0

Subtask #1
11.0 / 11.0

Subtask #2
15.0 / 15.0

Subtask #3
25.0 / 25.0

Subtask #4
49.0 / 49.0