Submission #858293

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
858293	2023-10-08T03:22:27 Z	Trisanu_Das	Joker (BOI20_joker)	C++17	14 / 100	2000 ms	20208 KB

Joker

#include <bits/stdc++.h>
using namespace std;
#define ff first
#define ss second
 
int n, m, q;
int vis[200005];
vector<pair<int, int> > adj[200005];
bool ok;
 
void dfs(int u, int p, int c, int l, int r){
  vis[u] = c;
  for(auto v : adj[u]){
    if(v.ff == p || (l <= v.ss && v.ss <= r)) continue;
    if(vis[v.ff] == vis[u]) ok = true;
    if(!vis[v.ff]) dfs(v.ff, u, 3 - c, l, r);
  }
}
 
int main(){
  ios_base::sync_with_stdio(false); cin.tie(NULL);
  cin >> n >> m >> q;
  for(int e = 1; e < m + 1; e++){
    int u, v; cin >> u >> v;
    adj[u].push_back(make_pair(v, e));
    adj[v].push_back(make_pair(u, e));
  }
  while(q--){
    int l, r; cin >> l >> r;
    ok = false;
    memset(vis, 0, sizeof(vis));
    for(int i = 1; i <= n; i++) if(!vis[i]) dfs(i, 0, 1, l, r);
    if(ok) cout << "YES\n";
    else cout << "NO\n";
  }
}

Subtask #1
6.0 / 6.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	5720 KB	Output is correct
2	Correct	1 ms	5720 KB	Output is correct
3	Correct	1 ms	5732 KB	Output is correct
4	Correct	2 ms	5724 KB	Output is correct
5	Correct	2 ms	5724 KB	Output is correct
6	Correct	2 ms	5724 KB	Output is correct
7	Correct	4 ms	5724 KB	Output is correct
8	Correct	5 ms	5932 KB	Output is correct
9	Correct	5 ms	5724 KB	Output is correct
10	Correct	4 ms	5724 KB	Output is correct
11	Correct	5 ms	5720 KB	Output is correct
12	Correct	5 ms	5724 KB	Output is correct
13	Correct	4 ms	5724 KB	Output is correct
14	Correct	4 ms	5724 KB	Output is correct
15	Correct	4 ms	5724 KB	Output is correct
16	Correct	4 ms	5920 KB	Output is correct
17	Correct	4 ms	5724 KB	Output is correct
18	Correct	4 ms	5948 KB	Output is correct
19	Correct	5 ms	5724 KB	Output is correct
20	Correct	5 ms	5740 KB	Output is correct
21	Correct	5 ms	5720 KB	Output is correct
22	Correct	5 ms	5724 KB	Output is correct
23	Correct	4 ms	5928 KB	Output is correct
24	Correct	4 ms	5944 KB	Output is correct
25	Correct	4 ms	5724 KB	Output is correct
26	Correct	4 ms	5724 KB	Output is correct
27	Correct	4 ms	5724 KB	Output is correct
28	Correct	5 ms	5948 KB	Output is correct

Subtask #2
8.0 / 8.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	5720 KB	Output is correct
2	Correct	1 ms	5720 KB	Output is correct
3	Correct	1 ms	5732 KB	Output is correct
4	Correct	2 ms	5724 KB	Output is correct
5	Correct	2 ms	5724 KB	Output is correct
6	Correct	2 ms	5724 KB	Output is correct
7	Correct	4 ms	5724 KB	Output is correct
8	Correct	5 ms	5932 KB	Output is correct
9	Correct	5 ms	5724 KB	Output is correct
10	Correct	4 ms	5724 KB	Output is correct
11	Correct	5 ms	5720 KB	Output is correct
12	Correct	5 ms	5724 KB	Output is correct
13	Correct	4 ms	5724 KB	Output is correct
14	Correct	4 ms	5724 KB	Output is correct
15	Correct	4 ms	5724 KB	Output is correct
16	Correct	4 ms	5920 KB	Output is correct
17	Correct	4 ms	5724 KB	Output is correct
18	Correct	4 ms	5948 KB	Output is correct
19	Correct	5 ms	5724 KB	Output is correct
20	Correct	5 ms	5740 KB	Output is correct
21	Correct	5 ms	5720 KB	Output is correct
22	Correct	5 ms	5724 KB	Output is correct
23	Correct	4 ms	5928 KB	Output is correct
24	Correct	4 ms	5944 KB	Output is correct
25	Correct	4 ms	5724 KB	Output is correct
26	Correct	4 ms	5724 KB	Output is correct
27	Correct	4 ms	5724 KB	Output is correct
28	Correct	5 ms	5948 KB	Output is correct
29	Correct	83 ms	5976 KB	Output is correct
30	Correct	129 ms	6056 KB	Output is correct
31	Correct	128 ms	5976 KB	Output is correct
32	Correct	108 ms	6064 KB	Output is correct
33	Correct	93 ms	5976 KB	Output is correct
34	Correct	136 ms	5980 KB	Output is correct
35	Correct	137 ms	5976 KB	Output is correct
36	Correct	51 ms	6104 KB	Output is correct
37	Correct	86 ms	6064 KB	Output is correct
38	Correct	75 ms	5980 KB	Output is correct
39	Correct	99 ms	5980 KB	Output is correct
40	Correct	98 ms	6072 KB	Output is correct
41	Correct	99 ms	6076 KB	Output is correct
42	Correct	100 ms	5980 KB	Output is correct
43	Correct	102 ms	6056 KB	Output is correct
44	Correct	117 ms	6064 KB	Output is correct
45	Correct	134 ms	6064 KB	Output is correct
46	Correct	138 ms	6060 KB	Output is correct
47	Correct	96 ms	6064 KB	Output is correct
48	Correct	104 ms	5976 KB	Output is correct
49	Correct	116 ms	6072 KB	Output is correct
50	Correct	125 ms	5980 KB	Output is correct
51	Correct	98 ms	5980 KB	Output is correct
52	Correct	108 ms	6060 KB	Output is correct
53	Correct	122 ms	6072 KB	Output is correct
54	Correct	137 ms	6064 KB	Output is correct

Subtask #3
0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	5720 KB	Output is correct
2	Correct	1 ms	5720 KB	Output is correct
3	Execution timed out	2047 ms	18768 KB	Time limit exceeded
4	Halted	0 ms	0 KB	-

Subtask #4
0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	5720 KB	Output is correct
2	Correct	1 ms	5720 KB	Output is correct
3	Correct	1 ms	5732 KB	Output is correct
4	Correct	2 ms	5724 KB	Output is correct
5	Correct	2 ms	5724 KB	Output is correct
6	Correct	2 ms	5724 KB	Output is correct
7	Correct	4 ms	5724 KB	Output is correct
8	Correct	5 ms	5932 KB	Output is correct
9	Correct	5 ms	5724 KB	Output is correct
10	Correct	4 ms	5724 KB	Output is correct
11	Correct	5 ms	5720 KB	Output is correct
12	Correct	5 ms	5724 KB	Output is correct
13	Correct	4 ms	5724 KB	Output is correct
14	Correct	4 ms	5724 KB	Output is correct
15	Correct	4 ms	5724 KB	Output is correct
16	Correct	4 ms	5920 KB	Output is correct
17	Correct	4 ms	5724 KB	Output is correct
18	Correct	4 ms	5948 KB	Output is correct
19	Correct	5 ms	5724 KB	Output is correct
20	Correct	5 ms	5740 KB	Output is correct
21	Correct	5 ms	5720 KB	Output is correct
22	Correct	5 ms	5724 KB	Output is correct
23	Correct	4 ms	5928 KB	Output is correct
24	Correct	4 ms	5944 KB	Output is correct
25	Correct	4 ms	5724 KB	Output is correct
26	Correct	4 ms	5724 KB	Output is correct
27	Correct	4 ms	5724 KB	Output is correct
28	Correct	5 ms	5948 KB	Output is correct
29	Execution timed out	2047 ms	18768 KB	Time limit exceeded
30	Halted	0 ms	0 KB	-

Subtask #5
0 / 22.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	5720 KB	Output is correct
2	Correct	1 ms	5720 KB	Output is correct
3	Correct	1 ms	5732 KB	Output is correct
4	Correct	2 ms	5724 KB	Output is correct
5	Correct	2 ms	5724 KB	Output is correct
6	Correct	2 ms	5724 KB	Output is correct
7	Correct	4 ms	5724 KB	Output is correct
8	Correct	5 ms	5932 KB	Output is correct
9	Correct	5 ms	5724 KB	Output is correct
10	Correct	4 ms	5724 KB	Output is correct
11	Correct	5 ms	5720 KB	Output is correct
12	Correct	5 ms	5724 KB	Output is correct
13	Correct	4 ms	5724 KB	Output is correct
14	Correct	4 ms	5724 KB	Output is correct
15	Correct	4 ms	5724 KB	Output is correct
16	Correct	4 ms	5920 KB	Output is correct
17	Correct	4 ms	5724 KB	Output is correct
18	Correct	4 ms	5948 KB	Output is correct
19	Correct	5 ms	5724 KB	Output is correct
20	Correct	5 ms	5740 KB	Output is correct
21	Correct	5 ms	5720 KB	Output is correct
22	Correct	5 ms	5724 KB	Output is correct
23	Correct	4 ms	5928 KB	Output is correct
24	Correct	4 ms	5944 KB	Output is correct
25	Correct	4 ms	5724 KB	Output is correct
26	Correct	4 ms	5724 KB	Output is correct
27	Correct	4 ms	5724 KB	Output is correct
28	Correct	5 ms	5948 KB	Output is correct
29	Correct	83 ms	5976 KB	Output is correct
30	Correct	129 ms	6056 KB	Output is correct
31	Correct	128 ms	5976 KB	Output is correct
32	Correct	108 ms	6064 KB	Output is correct
33	Correct	93 ms	5976 KB	Output is correct
34	Correct	136 ms	5980 KB	Output is correct
35	Correct	137 ms	5976 KB	Output is correct
36	Correct	51 ms	6104 KB	Output is correct
37	Correct	86 ms	6064 KB	Output is correct
38	Correct	75 ms	5980 KB	Output is correct
39	Correct	99 ms	5980 KB	Output is correct
40	Correct	98 ms	6072 KB	Output is correct
41	Correct	99 ms	6076 KB	Output is correct
42	Correct	100 ms	5980 KB	Output is correct
43	Correct	102 ms	6056 KB	Output is correct
44	Correct	117 ms	6064 KB	Output is correct
45	Correct	134 ms	6064 KB	Output is correct
46	Correct	138 ms	6060 KB	Output is correct
47	Correct	96 ms	6064 KB	Output is correct
48	Correct	104 ms	5976 KB	Output is correct
49	Correct	116 ms	6072 KB	Output is correct
50	Correct	125 ms	5980 KB	Output is correct
51	Correct	98 ms	5980 KB	Output is correct
52	Correct	108 ms	6060 KB	Output is correct
53	Correct	122 ms	6072 KB	Output is correct
54	Correct	137 ms	6064 KB	Output is correct
55	Execution timed out	2056 ms	20208 KB	Time limit exceeded
56	Halted	0 ms	0 KB	-

Subtask #6
0 / 29.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	5720 KB	Output is correct
2	Correct	1 ms	5720 KB	Output is correct
3	Correct	1 ms	5732 KB	Output is correct
4	Correct	2 ms	5724 KB	Output is correct
5	Correct	2 ms	5724 KB	Output is correct
6	Correct	2 ms	5724 KB	Output is correct
7	Correct	4 ms	5724 KB	Output is correct
8	Correct	5 ms	5932 KB	Output is correct
9	Correct	5 ms	5724 KB	Output is correct
10	Correct	4 ms	5724 KB	Output is correct
11	Correct	5 ms	5720 KB	Output is correct
12	Correct	5 ms	5724 KB	Output is correct
13	Correct	4 ms	5724 KB	Output is correct
14	Correct	4 ms	5724 KB	Output is correct
15	Correct	4 ms	5724 KB	Output is correct
16	Correct	4 ms	5920 KB	Output is correct
17	Correct	4 ms	5724 KB	Output is correct
18	Correct	4 ms	5948 KB	Output is correct
19	Correct	5 ms	5724 KB	Output is correct
20	Correct	5 ms	5740 KB	Output is correct
21	Correct	5 ms	5720 KB	Output is correct
22	Correct	5 ms	5724 KB	Output is correct
23	Correct	4 ms	5928 KB	Output is correct
24	Correct	4 ms	5944 KB	Output is correct
25	Correct	4 ms	5724 KB	Output is correct
26	Correct	4 ms	5724 KB	Output is correct
27	Correct	4 ms	5724 KB	Output is correct
28	Correct	5 ms	5948 KB	Output is correct
29	Correct	83 ms	5976 KB	Output is correct
30	Correct	129 ms	6056 KB	Output is correct
31	Correct	128 ms	5976 KB	Output is correct
32	Correct	108 ms	6064 KB	Output is correct
33	Correct	93 ms	5976 KB	Output is correct
34	Correct	136 ms	5980 KB	Output is correct
35	Correct	137 ms	5976 KB	Output is correct
36	Correct	51 ms	6104 KB	Output is correct
37	Correct	86 ms	6064 KB	Output is correct
38	Correct	75 ms	5980 KB	Output is correct
39	Correct	99 ms	5980 KB	Output is correct
40	Correct	98 ms	6072 KB	Output is correct
41	Correct	99 ms	6076 KB	Output is correct
42	Correct	100 ms	5980 KB	Output is correct
43	Correct	102 ms	6056 KB	Output is correct
44	Correct	117 ms	6064 KB	Output is correct
45	Correct	134 ms	6064 KB	Output is correct
46	Correct	138 ms	6060 KB	Output is correct
47	Correct	96 ms	6064 KB	Output is correct
48	Correct	104 ms	5976 KB	Output is correct
49	Correct	116 ms	6072 KB	Output is correct
50	Correct	125 ms	5980 KB	Output is correct
51	Correct	98 ms	5980 KB	Output is correct
52	Correct	108 ms	6060 KB	Output is correct
53	Correct	122 ms	6072 KB	Output is correct
54	Correct	137 ms	6064 KB	Output is correct
55	Execution timed out	2047 ms	18768 KB	Time limit exceeded
56	Halted	0 ms	0 KB	-

Submission #858293

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