답안 #886075

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
886075	2023-12-11T12:40:23 Z	vjudge1	Curtains (NOI23_curtains)	C++17	24 / 100	1500 ms	1048580 KB

curtains

#include <bits/stdc++.h>
using namespace std;
#define fileio() freopen("input.txt", "r", stdin), freopen("output.txt", "w", stdout)
#define fastio() cin.tie(0), ios_base::sync_with_stdio(0)
#define sp " "
//#define endl "\n"
#define pii pair<int, int>
#define st first
#define nd second
#define pb push_back
#define N 2005
#define M 500005

const int INF = 1e9 + 7;

int32_t main(){
	//fileio();
	fastio();

	int n, m, q;
	cin>>n>>m>>q;
	if (n <= 2000){
		vector<bitset<N>> dp(n + 5, 0);
		vector<int> l(m + 5, 0), r(m + 5, 0), ans(q + 5, 0);
		vector<vector<int>> ex(n + 5);
		vector<vector<pii>> todo(n + 5);


		for (int i = 1; i <= m; i++){
			cin>>l[i]>>r[i];
			ex[l[i]].pb(r[i]);
		}

		for (int i = 1; i <= q; i++){
			int s, e;
			cin>>s>>e;
			todo[s].pb({e, i});
		}

		for (int i = n; i >= 1; i--){
			sort(ex[i].begin(), ex[i].end());
			int last = i;
			bitset<N> all(0);
			all = ~all;
			for (auto j : ex[i]){
				dp[i][j] = 1;
				for (int k = last; k < j; k++) all[k] = 0;
				while(last <= j){
					last++;
					//cout<<last<<sp<<all<<endl;
					dp[i] |= dp[last] & all;
				}
				last--;
			}
			//cout<<i<<": "<<dp[i]<<endl;
			for (auto j : todo[i]){
				if (dp[i][j.st]) ans[j.nd] = 1;
			}
		}
		for (int i = 1; i <= q; i++) {
			if (ans[i]) cout<<"YES\n";
			else cout<<"NO\n";
		}
	}
	
	else{
		vector<bitset<M>> dp(n + 5, 0);

		vector<int> l(m + 5, 0), r(m + 5, 0), ans(q + 5, 0);
		vector<vector<int>> ex(n + 5);
		vector<vector<pii>> todo(n + 5);


		for (int i = 1; i <= m; i++){
			cin>>l[i]>>r[i];
			ex[l[i]].pb(r[i]);
		}

		for (int i = 1; i <= q; i++){
			int s, e;
			cin>>s>>e;
			todo[s].pb({e, i});
		}

		for (int i = n; i >= 1; i--){
			sort(ex[i].begin(), ex[i].end());
			int last = i;
			bitset<M> all(0);
			all = ~all;
			for (auto j : ex[i]){
				dp[i][j] = 1;
				for (int k = last; k < j; k++) all[k] = 0;
				while(last <= j){
					last++;
					//cout<<last<<sp<<all<<endl;
					dp[i] |= dp[last] & all;
				}
				last--;
			}
			//cout<<i<<": "<<dp[i]<<endl;
			for (auto j : todo[i]){
				if (dp[i][j.st]) ans[j.nd] = 1;
			}
		}

		for (int i = 1; i <= q; i++) {
			if (ans[i]) cout<<"YES\n";
			else cout<<"NO\n";

		}
	}
	cerr<<"time taken : "<<(float)clock() / CLOCKS_PER_SEC<<" seconds\n";
}

Subtask #1
3.0 / 3.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	604 KB	Output is correct
2	Correct	0 ms	408 KB	Output is correct
3	Correct	1 ms	604 KB	Output is correct
4	Correct	1 ms	604 KB	Output is correct
5	Correct	1 ms	604 KB	Output is correct
6	Correct	1 ms	604 KB	Output is correct
7	Correct	1 ms	600 KB	Output is correct
8	Correct	1 ms	604 KB	Output is correct
9	Correct	1 ms	604 KB	Output is correct
10	Correct	1 ms	604 KB	Output is correct
11	Correct	0 ms	604 KB	Output is correct
12	Correct	0 ms	604 KB	Output is correct

Subtask #2
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	604 KB	Output is correct
2	Correct	0 ms	408 KB	Output is correct
3	Correct	1 ms	604 KB	Output is correct
4	Correct	1 ms	604 KB	Output is correct
5	Correct	1 ms	604 KB	Output is correct
6	Correct	1 ms	604 KB	Output is correct
7	Correct	1 ms	600 KB	Output is correct
8	Correct	1 ms	604 KB	Output is correct
9	Correct	1 ms	604 KB	Output is correct
10	Correct	1 ms	604 KB	Output is correct
11	Correct	0 ms	604 KB	Output is correct
12	Correct	0 ms	604 KB	Output is correct
13	Correct	27 ms	1116 KB	Output is correct
14	Correct	31 ms	1116 KB	Output is correct
15	Correct	27 ms	1116 KB	Output is correct
16	Correct	26 ms	1116 KB	Output is correct
17	Correct	29 ms	1336 KB	Output is correct
18	Correct	2 ms	1116 KB	Output is correct
19	Correct	2 ms	1116 KB	Output is correct
20	Correct	2 ms	1372 KB	Output is correct
21	Correct	3 ms	1116 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	604 KB	Output is correct
2	Correct	0 ms	408 KB	Output is correct
3	Correct	1 ms	604 KB	Output is correct
4	Correct	1 ms	604 KB	Output is correct
5	Correct	1 ms	604 KB	Output is correct
6	Correct	1 ms	604 KB	Output is correct
7	Correct	1 ms	600 KB	Output is correct
8	Correct	1 ms	604 KB	Output is correct
9	Correct	1 ms	604 KB	Output is correct
10	Correct	1 ms	604 KB	Output is correct
11	Correct	0 ms	604 KB	Output is correct
12	Correct	0 ms	604 KB	Output is correct
13	Correct	27 ms	1116 KB	Output is correct
14	Correct	31 ms	1116 KB	Output is correct
15	Correct	27 ms	1116 KB	Output is correct
16	Correct	26 ms	1116 KB	Output is correct
17	Correct	29 ms	1336 KB	Output is correct
18	Correct	2 ms	1116 KB	Output is correct
19	Correct	2 ms	1116 KB	Output is correct
20	Correct	2 ms	1372 KB	Output is correct
21	Correct	3 ms	1116 KB	Output is correct
22	Correct	92 ms	10792 KB	Output is correct
23	Correct	133 ms	11344 KB	Output is correct
24	Correct	150 ms	12624 KB	Output is correct
25	Correct	219 ms	17912 KB	Output is correct
26	Correct	116 ms	10964 KB	Output is correct
27	Correct	221 ms	18032 KB	Output is correct
28	Correct	214 ms	18000 KB	Output is correct
29	Correct	87 ms	11088 KB	Output is correct
30	Correct	99 ms	9152 KB	Output is correct
31	Correct	122 ms	9912 KB	Output is correct
32	Correct	206 ms	16324 KB	Output is correct
33	Correct	72 ms	9408 KB	Output is correct

Subtask #4
0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	604 KB	Output is correct
2	Correct	2 ms	604 KB	Output is correct
3	Correct	1 ms	604 KB	Output is correct
4	Correct	1 ms	604 KB	Output is correct
5	Correct	34 ms	1116 KB	Output is correct
6	Correct	2 ms	1112 KB	Output is correct
7	Correct	2 ms	1116 KB	Output is correct
8	Correct	99 ms	9072 KB	Output is correct
9	Correct	131 ms	9924 KB	Output is correct
10	Correct	259 ms	16376 KB	Output is correct
11	Correct	62 ms	9408 KB	Output is correct
12	Runtime error	516 ms	1048580 KB	Execution killed with signal 9
13	Halted	0 ms	0 KB	-

Subtask #5
0 / 36.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	604 KB	Output is correct
2	Correct	0 ms	408 KB	Output is correct
3	Correct	1 ms	604 KB	Output is correct
4	Correct	1 ms	604 KB	Output is correct
5	Correct	1 ms	604 KB	Output is correct
6	Correct	1 ms	604 KB	Output is correct
7	Correct	1 ms	600 KB	Output is correct
8	Correct	1 ms	604 KB	Output is correct
9	Correct	1 ms	604 KB	Output is correct
10	Correct	1 ms	604 KB	Output is correct
11	Correct	0 ms	604 KB	Output is correct
12	Correct	0 ms	604 KB	Output is correct
13	Correct	27 ms	1116 KB	Output is correct
14	Correct	31 ms	1116 KB	Output is correct
15	Correct	27 ms	1116 KB	Output is correct
16	Correct	26 ms	1116 KB	Output is correct
17	Correct	29 ms	1336 KB	Output is correct
18	Correct	2 ms	1116 KB	Output is correct
19	Correct	2 ms	1116 KB	Output is correct
20	Correct	2 ms	1372 KB	Output is correct
21	Correct	3 ms	1116 KB	Output is correct
22	Execution timed out	1549 ms	617476 KB	Time limit exceeded
23	Halted	0 ms	0 KB	-

Subtask #6
0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	604 KB	Output is correct
2	Correct	0 ms	408 KB	Output is correct
3	Correct	1 ms	604 KB	Output is correct
4	Correct	1 ms	604 KB	Output is correct
5	Correct	1 ms	604 KB	Output is correct
6	Correct	1 ms	604 KB	Output is correct
7	Correct	1 ms	600 KB	Output is correct
8	Correct	1 ms	604 KB	Output is correct
9	Correct	1 ms	604 KB	Output is correct
10	Correct	1 ms	604 KB	Output is correct
11	Correct	0 ms	604 KB	Output is correct
12	Correct	0 ms	604 KB	Output is correct
13	Correct	27 ms	1116 KB	Output is correct
14	Correct	31 ms	1116 KB	Output is correct
15	Correct	27 ms	1116 KB	Output is correct
16	Correct	26 ms	1116 KB	Output is correct
17	Correct	29 ms	1336 KB	Output is correct
18	Correct	2 ms	1116 KB	Output is correct
19	Correct	2 ms	1116 KB	Output is correct
20	Correct	2 ms	1372 KB	Output is correct
21	Correct	3 ms	1116 KB	Output is correct
22	Correct	92 ms	10792 KB	Output is correct
23	Correct	133 ms	11344 KB	Output is correct
24	Correct	150 ms	12624 KB	Output is correct
25	Correct	219 ms	17912 KB	Output is correct
26	Correct	116 ms	10964 KB	Output is correct
27	Correct	221 ms	18032 KB	Output is correct
28	Correct	214 ms	18000 KB	Output is correct
29	Correct	87 ms	11088 KB	Output is correct
30	Correct	99 ms	9152 KB	Output is correct
31	Correct	122 ms	9912 KB	Output is correct
32	Correct	206 ms	16324 KB	Output is correct
33	Correct	72 ms	9408 KB	Output is correct
34	Correct	0 ms	604 KB	Output is correct
35	Correct	2 ms	604 KB	Output is correct
36	Correct	1 ms	604 KB	Output is correct
37	Correct	1 ms	604 KB	Output is correct
38	Correct	34 ms	1116 KB	Output is correct
39	Correct	2 ms	1112 KB	Output is correct
40	Correct	2 ms	1116 KB	Output is correct
41	Correct	99 ms	9072 KB	Output is correct
42	Correct	131 ms	9924 KB	Output is correct
43	Correct	259 ms	16376 KB	Output is correct
44	Correct	62 ms	9408 KB	Output is correct
45	Runtime error	516 ms	1048580 KB	Execution killed with signal 9
46	Halted	0 ms	0 KB	-

답안 #886075

Compilation message

Subtask #1 3.0 / 3.0

Subtask #2 6.0 / 6.0

Subtask #3 15.0 / 15.0

Subtask #4 0 / 20.0

Subtask #5 0 / 36.0

Subtask #6 0 / 20.0

Subtask #1
3.0 / 3.0

Subtask #2
6.0 / 6.0

Subtask #3
15.0 / 15.0

Subtask #4
0 / 20.0

Subtask #5
0 / 36.0

Subtask #6
0 / 20.0