답안 #930519

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
930519	2024-02-20T05:26:08 Z	Jawad_Akbar_JJ	Joker (BOI20_joker)	C++17	14 / 100	2000 ms	21492 KB

Joker

#include <iostream>
#include <vector>

using namespace std;
const int N = (1<<18) + 1;
vector<pair<int,int>> nei[N];
int seen[N],h[N];
int cur = 1,l,r;
bool odd;


void dfs(int u,int k = 1){
	seen[u] = cur;
	h[u] = k;
	for (auto [i,j] : nei[u]){
		if (j <= r and j >= l)
			continue;
		if (seen[i] == cur){
			if ((h[u] - h[i]) % 2 == 0)
				odd = true;
		}
		else
			dfs(i,k+1);
	}
}


signed  main(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	cout.tie(NULL);
	int n,m,q;
	cin>>n>>m>>q;

	for (int i=1;i<=m;i++){
		int a,b;
		cin>>a>>b;
		nei[a].push_back({b,i});
		nei[b].push_back({a,i});
	}

	while (q--){
		cin>>l>>r;
		odd = false;
		for (int i=1;i<=n;i++)
			if (seen[i]!=cur)
				dfs(i);
		cur++;
		if (odd)
			cout<<"YES"<<'\n';
		else
			cout<<"NO"<<'\n';
	}
}

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	8284 KB	Output is correct
2	Correct	3 ms	8536 KB	Output is correct
3	Correct	2 ms	8284 KB	Output is correct
4	Correct	2 ms	8284 KB	Output is correct
5	Correct	2 ms	8280 KB	Output is correct
6	Correct	2 ms	8284 KB	Output is correct
7	Correct	3 ms	8284 KB	Output is correct
8	Correct	3 ms	8536 KB	Output is correct
9	Correct	3 ms	8284 KB	Output is correct
10	Correct	3 ms	8480 KB	Output is correct
11	Correct	3 ms	8280 KB	Output is correct
12	Correct	3 ms	8492 KB	Output is correct
13	Correct	3 ms	8284 KB	Output is correct
14	Correct	3 ms	8284 KB	Output is correct
15	Correct	2 ms	8284 KB	Output is correct
16	Correct	3 ms	8284 KB	Output is correct
17	Correct	3 ms	8492 KB	Output is correct
18	Correct	3 ms	8460 KB	Output is correct
19	Correct	4 ms	8484 KB	Output is correct
20	Correct	3 ms	8284 KB	Output is correct
21	Correct	3 ms	8284 KB	Output is correct
22	Correct	3 ms	8280 KB	Output is correct
23	Correct	3 ms	8540 KB	Output is correct
24	Correct	3 ms	8284 KB	Output is correct
25	Correct	3 ms	8284 KB	Output is correct
26	Correct	2 ms	8492 KB	Output is correct
27	Correct	3 ms	8284 KB	Output is correct
28	Correct	3 ms	8280 KB	Output is correct

Subtask #2
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	8284 KB	Output is correct
2	Correct	3 ms	8536 KB	Output is correct
3	Correct	2 ms	8284 KB	Output is correct
4	Correct	2 ms	8284 KB	Output is correct
5	Correct	2 ms	8280 KB	Output is correct
6	Correct	2 ms	8284 KB	Output is correct
7	Correct	3 ms	8284 KB	Output is correct
8	Correct	3 ms	8536 KB	Output is correct
9	Correct	3 ms	8284 KB	Output is correct
10	Correct	3 ms	8480 KB	Output is correct
11	Correct	3 ms	8280 KB	Output is correct
12	Correct	3 ms	8492 KB	Output is correct
13	Correct	3 ms	8284 KB	Output is correct
14	Correct	3 ms	8284 KB	Output is correct
15	Correct	2 ms	8284 KB	Output is correct
16	Correct	3 ms	8284 KB	Output is correct
17	Correct	3 ms	8492 KB	Output is correct
18	Correct	3 ms	8460 KB	Output is correct
19	Correct	4 ms	8484 KB	Output is correct
20	Correct	3 ms	8284 KB	Output is correct
21	Correct	3 ms	8284 KB	Output is correct
22	Correct	3 ms	8280 KB	Output is correct
23	Correct	3 ms	8540 KB	Output is correct
24	Correct	3 ms	8284 KB	Output is correct
25	Correct	3 ms	8284 KB	Output is correct
26	Correct	2 ms	8492 KB	Output is correct
27	Correct	3 ms	8284 KB	Output is correct
28	Correct	3 ms	8280 KB	Output is correct
29	Correct	65 ms	8560 KB	Output is correct
30	Correct	99 ms	8600 KB	Output is correct
31	Correct	94 ms	8624 KB	Output is correct
32	Correct	76 ms	8612 KB	Output is correct
33	Correct	62 ms	8536 KB	Output is correct
34	Correct	99 ms	8604 KB	Output is correct
35	Correct	103 ms	8608 KB	Output is correct
36	Correct	30 ms	8796 KB	Output is correct
37	Correct	59 ms	8500 KB	Output is correct
38	Correct	49 ms	8540 KB	Output is correct
39	Correct	68 ms	8536 KB	Output is correct
40	Correct	65 ms	8624 KB	Output is correct
41	Correct	66 ms	8616 KB	Output is correct
42	Correct	69 ms	8792 KB	Output is correct
43	Correct	73 ms	8788 KB	Output is correct
44	Correct	87 ms	8536 KB	Output is correct
45	Correct	108 ms	8608 KB	Output is correct
46	Correct	103 ms	8536 KB	Output is correct
47	Correct	64 ms	8536 KB	Output is correct
48	Correct	72 ms	8540 KB	Output is correct
49	Correct	86 ms	8540 KB	Output is correct
50	Correct	94 ms	8604 KB	Output is correct
51	Correct	70 ms	8788 KB	Output is correct
52	Correct	76 ms	8540 KB	Output is correct
53	Correct	91 ms	8620 KB	Output is correct
54	Correct	109 ms	8608 KB	Output is correct

Subtask #3
0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	8284 KB	Output is correct
2	Correct	3 ms	8536 KB	Output is correct
3	Execution timed out	2086 ms	20180 KB	Time limit exceeded
4	Halted	0 ms	0 KB	-

Subtask #4
0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	8284 KB	Output is correct
2	Correct	3 ms	8536 KB	Output is correct
3	Correct	2 ms	8284 KB	Output is correct
4	Correct	2 ms	8284 KB	Output is correct
5	Correct	2 ms	8280 KB	Output is correct
6	Correct	2 ms	8284 KB	Output is correct
7	Correct	3 ms	8284 KB	Output is correct
8	Correct	3 ms	8536 KB	Output is correct
9	Correct	3 ms	8284 KB	Output is correct
10	Correct	3 ms	8480 KB	Output is correct
11	Correct	3 ms	8280 KB	Output is correct
12	Correct	3 ms	8492 KB	Output is correct
13	Correct	3 ms	8284 KB	Output is correct
14	Correct	3 ms	8284 KB	Output is correct
15	Correct	2 ms	8284 KB	Output is correct
16	Correct	3 ms	8284 KB	Output is correct
17	Correct	3 ms	8492 KB	Output is correct
18	Correct	3 ms	8460 KB	Output is correct
19	Correct	4 ms	8484 KB	Output is correct
20	Correct	3 ms	8284 KB	Output is correct
21	Correct	3 ms	8284 KB	Output is correct
22	Correct	3 ms	8280 KB	Output is correct
23	Correct	3 ms	8540 KB	Output is correct
24	Correct	3 ms	8284 KB	Output is correct
25	Correct	3 ms	8284 KB	Output is correct
26	Correct	2 ms	8492 KB	Output is correct
27	Correct	3 ms	8284 KB	Output is correct
28	Correct	3 ms	8280 KB	Output is correct
29	Execution timed out	2086 ms	20180 KB	Time limit exceeded
30	Halted	0 ms	0 KB	-

Subtask #5
0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	8284 KB	Output is correct
2	Correct	3 ms	8536 KB	Output is correct
3	Correct	2 ms	8284 KB	Output is correct
4	Correct	2 ms	8284 KB	Output is correct
5	Correct	2 ms	8280 KB	Output is correct
6	Correct	2 ms	8284 KB	Output is correct
7	Correct	3 ms	8284 KB	Output is correct
8	Correct	3 ms	8536 KB	Output is correct
9	Correct	3 ms	8284 KB	Output is correct
10	Correct	3 ms	8480 KB	Output is correct
11	Correct	3 ms	8280 KB	Output is correct
12	Correct	3 ms	8492 KB	Output is correct
13	Correct	3 ms	8284 KB	Output is correct
14	Correct	3 ms	8284 KB	Output is correct
15	Correct	2 ms	8284 KB	Output is correct
16	Correct	3 ms	8284 KB	Output is correct
17	Correct	3 ms	8492 KB	Output is correct
18	Correct	3 ms	8460 KB	Output is correct
19	Correct	4 ms	8484 KB	Output is correct
20	Correct	3 ms	8284 KB	Output is correct
21	Correct	3 ms	8284 KB	Output is correct
22	Correct	3 ms	8280 KB	Output is correct
23	Correct	3 ms	8540 KB	Output is correct
24	Correct	3 ms	8284 KB	Output is correct
25	Correct	3 ms	8284 KB	Output is correct
26	Correct	2 ms	8492 KB	Output is correct
27	Correct	3 ms	8284 KB	Output is correct
28	Correct	3 ms	8280 KB	Output is correct
29	Correct	65 ms	8560 KB	Output is correct
30	Correct	99 ms	8600 KB	Output is correct
31	Correct	94 ms	8624 KB	Output is correct
32	Correct	76 ms	8612 KB	Output is correct
33	Correct	62 ms	8536 KB	Output is correct
34	Correct	99 ms	8604 KB	Output is correct
35	Correct	103 ms	8608 KB	Output is correct
36	Correct	30 ms	8796 KB	Output is correct
37	Correct	59 ms	8500 KB	Output is correct
38	Correct	49 ms	8540 KB	Output is correct
39	Correct	68 ms	8536 KB	Output is correct
40	Correct	65 ms	8624 KB	Output is correct
41	Correct	66 ms	8616 KB	Output is correct
42	Correct	69 ms	8792 KB	Output is correct
43	Correct	73 ms	8788 KB	Output is correct
44	Correct	87 ms	8536 KB	Output is correct
45	Correct	108 ms	8608 KB	Output is correct
46	Correct	103 ms	8536 KB	Output is correct
47	Correct	64 ms	8536 KB	Output is correct
48	Correct	72 ms	8540 KB	Output is correct
49	Correct	86 ms	8540 KB	Output is correct
50	Correct	94 ms	8604 KB	Output is correct
51	Correct	70 ms	8788 KB	Output is correct
52	Correct	76 ms	8540 KB	Output is correct
53	Correct	91 ms	8620 KB	Output is correct
54	Correct	109 ms	8608 KB	Output is correct
55	Execution timed out	2035 ms	21492 KB	Time limit exceeded
56	Halted	0 ms	0 KB	-

Subtask #6
0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	8284 KB	Output is correct
2	Correct	3 ms	8536 KB	Output is correct
3	Correct	2 ms	8284 KB	Output is correct
4	Correct	2 ms	8284 KB	Output is correct
5	Correct	2 ms	8280 KB	Output is correct
6	Correct	2 ms	8284 KB	Output is correct
7	Correct	3 ms	8284 KB	Output is correct
8	Correct	3 ms	8536 KB	Output is correct
9	Correct	3 ms	8284 KB	Output is correct
10	Correct	3 ms	8480 KB	Output is correct
11	Correct	3 ms	8280 KB	Output is correct
12	Correct	3 ms	8492 KB	Output is correct
13	Correct	3 ms	8284 KB	Output is correct
14	Correct	3 ms	8284 KB	Output is correct
15	Correct	2 ms	8284 KB	Output is correct
16	Correct	3 ms	8284 KB	Output is correct
17	Correct	3 ms	8492 KB	Output is correct
18	Correct	3 ms	8460 KB	Output is correct
19	Correct	4 ms	8484 KB	Output is correct
20	Correct	3 ms	8284 KB	Output is correct
21	Correct	3 ms	8284 KB	Output is correct
22	Correct	3 ms	8280 KB	Output is correct
23	Correct	3 ms	8540 KB	Output is correct
24	Correct	3 ms	8284 KB	Output is correct
25	Correct	3 ms	8284 KB	Output is correct
26	Correct	2 ms	8492 KB	Output is correct
27	Correct	3 ms	8284 KB	Output is correct
28	Correct	3 ms	8280 KB	Output is correct
29	Correct	65 ms	8560 KB	Output is correct
30	Correct	99 ms	8600 KB	Output is correct
31	Correct	94 ms	8624 KB	Output is correct
32	Correct	76 ms	8612 KB	Output is correct
33	Correct	62 ms	8536 KB	Output is correct
34	Correct	99 ms	8604 KB	Output is correct
35	Correct	103 ms	8608 KB	Output is correct
36	Correct	30 ms	8796 KB	Output is correct
37	Correct	59 ms	8500 KB	Output is correct
38	Correct	49 ms	8540 KB	Output is correct
39	Correct	68 ms	8536 KB	Output is correct
40	Correct	65 ms	8624 KB	Output is correct
41	Correct	66 ms	8616 KB	Output is correct
42	Correct	69 ms	8792 KB	Output is correct
43	Correct	73 ms	8788 KB	Output is correct
44	Correct	87 ms	8536 KB	Output is correct
45	Correct	108 ms	8608 KB	Output is correct
46	Correct	103 ms	8536 KB	Output is correct
47	Correct	64 ms	8536 KB	Output is correct
48	Correct	72 ms	8540 KB	Output is correct
49	Correct	86 ms	8540 KB	Output is correct
50	Correct	94 ms	8604 KB	Output is correct
51	Correct	70 ms	8788 KB	Output is correct
52	Correct	76 ms	8540 KB	Output is correct
53	Correct	91 ms	8620 KB	Output is correct
54	Correct	109 ms	8608 KB	Output is correct
55	Execution timed out	2086 ms	20180 KB	Time limit exceeded
56	Halted	0 ms	0 KB	-

답안 #930519

Compilation message

Subtask #1 6.0 / 6.0

Subtask #2 8.0 / 8.0

Subtask #3 0 / 25.0

Subtask #4 0 / 10.0

Subtask #5 0 / 22.0

Subtask #6 0 / 29.0

Subtask #1
6.0 / 6.0

Subtask #2
8.0 / 8.0

Subtask #3
0 / 25.0

Subtask #4
0 / 10.0

Subtask #5
0 / 22.0

Subtask #6
0 / 29.0