답안 #930595

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
930595	2024-02-20T07:36:28 Z	UmairAhmadMirza	Joker (BOI20_joker)	C++17	14 / 100	2000 ms	120284 KB

Joker

#include <bits/stdc++.h>
using namespace std;
int const N=2e5+5;
vector<int> adj[N];
bool dep[N];
int rep[N];
vector<int> com[N];
// int dp[N][N];
bool merge(int a,int b){
  int ra=a;
  int rb=b;
  a=rep[a];
  b=rep[b];
  // cout<<ra<<' '<<rb<<endl;
  if(a==b){
    if(dep[ra]==dep[rb])
      return 0;
    return 1;
  }
  if(com[a].size()>com[b].size()){
    swap(a,b);
    swap(ra,rb);
  }
  bool sw=0;
  if(dep[ra]==dep[rb])
    sw=1;
  for(auto i:com[a]){
    com[b].push_back(i);
    rep[i]=b;
    dep[i]^=sw;
  }
  com[a].clear();
  return 1;
}
int main() 
{
    int n,m,q;
    cin>>n>>m>>q;
    vector<pair<int,int>> edge;
    for(int i=0;i<m;i++){
      int a,b;
      cin>>a>>b;
      if(a>b)
        swap(a,b);
      edge.push_back({a,b});
    }
    // cout<<k<<endl;
    for(int i=0;i<q;i++){
      for(int i=1;i<=n;i++){
        rep[i]=i;
        com[i].clear();
        com[i].push_back(i);
      }
      int l,r;
      cin>>l>>r;
      l--;
      r--;
      string ans="NO";
      for(int i=0;i<m;i++){
        if(l<=i && i<=r)
          continue;
        if(merge(edge[i].first,edge[i].second)==0){
          ans="YES";
          break;
        }
      }
      cout<<ans<<endl;
    }
    return 0;
}

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	10588 KB	Output is correct
2	Correct	3 ms	10588 KB	Output is correct
3	Correct	3 ms	10588 KB	Output is correct
4	Correct	4 ms	10588 KB	Output is correct
5	Correct	4 ms	10588 KB	Output is correct
6	Correct	3 ms	10588 KB	Output is correct
7	Correct	3 ms	10588 KB	Output is correct
8	Correct	5 ms	10752 KB	Output is correct
9	Correct	4 ms	10588 KB	Output is correct
10	Correct	4 ms	10584 KB	Output is correct
11	Correct	4 ms	10840 KB	Output is correct
12	Correct	5 ms	10812 KB	Output is correct
13	Correct	3 ms	10588 KB	Output is correct
14	Correct	4 ms	10844 KB	Output is correct
15	Correct	5 ms	10588 KB	Output is correct
16	Correct	3 ms	10588 KB	Output is correct
17	Correct	3 ms	10588 KB	Output is correct
18	Correct	3 ms	10588 KB	Output is correct
19	Correct	4 ms	10796 KB	Output is correct
20	Correct	4 ms	10588 KB	Output is correct
21	Correct	4 ms	10588 KB	Output is correct
22	Correct	3 ms	10588 KB	Output is correct
23	Correct	4 ms	10588 KB	Output is correct
24	Correct	4 ms	10588 KB	Output is correct
25	Correct	4 ms	10588 KB	Output is correct
26	Correct	4 ms	10588 KB	Output is correct
27	Correct	4 ms	10588 KB	Output is correct
28	Correct	4 ms	10588 KB	Output is correct

Subtask #2
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	10588 KB	Output is correct
2	Correct	3 ms	10588 KB	Output is correct
3	Correct	3 ms	10588 KB	Output is correct
4	Correct	4 ms	10588 KB	Output is correct
5	Correct	4 ms	10588 KB	Output is correct
6	Correct	3 ms	10588 KB	Output is correct
7	Correct	3 ms	10588 KB	Output is correct
8	Correct	5 ms	10752 KB	Output is correct
9	Correct	4 ms	10588 KB	Output is correct
10	Correct	4 ms	10584 KB	Output is correct
11	Correct	4 ms	10840 KB	Output is correct
12	Correct	5 ms	10812 KB	Output is correct
13	Correct	3 ms	10588 KB	Output is correct
14	Correct	4 ms	10844 KB	Output is correct
15	Correct	5 ms	10588 KB	Output is correct
16	Correct	3 ms	10588 KB	Output is correct
17	Correct	3 ms	10588 KB	Output is correct
18	Correct	3 ms	10588 KB	Output is correct
19	Correct	4 ms	10796 KB	Output is correct
20	Correct	4 ms	10588 KB	Output is correct
21	Correct	4 ms	10588 KB	Output is correct
22	Correct	3 ms	10588 KB	Output is correct
23	Correct	4 ms	10588 KB	Output is correct
24	Correct	4 ms	10588 KB	Output is correct
25	Correct	4 ms	10588 KB	Output is correct
26	Correct	4 ms	10588 KB	Output is correct
27	Correct	4 ms	10588 KB	Output is correct
28	Correct	4 ms	10588 KB	Output is correct
29	Correct	46 ms	10912 KB	Output is correct
30	Correct	55 ms	10988 KB	Output is correct
31	Correct	47 ms	11000 KB	Output is correct
32	Correct	29 ms	10928 KB	Output is correct
33	Correct	20 ms	10844 KB	Output is correct
34	Correct	42 ms	11004 KB	Output is correct
35	Correct	62 ms	11068 KB	Output is correct
36	Correct	39 ms	11096 KB	Output is correct
37	Correct	79 ms	13136 KB	Output is correct
38	Correct	82 ms	12128 KB	Output is correct
39	Correct	62 ms	11456 KB	Output is correct
40	Correct	40 ms	10844 KB	Output is correct
41	Correct	45 ms	10844 KB	Output is correct
42	Correct	39 ms	10844 KB	Output is correct
43	Correct	28 ms	10844 KB	Output is correct
44	Correct	45 ms	10992 KB	Output is correct
45	Correct	44 ms	10840 KB	Output is correct
46	Correct	54 ms	10844 KB	Output is correct
47	Correct	33 ms	10816 KB	Output is correct
48	Correct	37 ms	10996 KB	Output is correct
49	Correct	46 ms	10912 KB	Output is correct
50	Correct	56 ms	10844 KB	Output is correct
51	Correct	31 ms	10980 KB	Output is correct
52	Correct	38 ms	10992 KB	Output is correct
53	Correct	47 ms	10844 KB	Output is correct
54	Correct	59 ms	11036 KB	Output is correct

Subtask #3
0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	10588 KB	Output is correct
2	Correct	3 ms	10588 KB	Output is correct
3	Execution timed out	2057 ms	120284 KB	Time limit exceeded
4	Halted	0 ms	0 KB	-

Subtask #4
0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	10588 KB	Output is correct
2	Correct	3 ms	10588 KB	Output is correct
3	Correct	3 ms	10588 KB	Output is correct
4	Correct	4 ms	10588 KB	Output is correct
5	Correct	4 ms	10588 KB	Output is correct
6	Correct	3 ms	10588 KB	Output is correct
7	Correct	3 ms	10588 KB	Output is correct
8	Correct	5 ms	10752 KB	Output is correct
9	Correct	4 ms	10588 KB	Output is correct
10	Correct	4 ms	10584 KB	Output is correct
11	Correct	4 ms	10840 KB	Output is correct
12	Correct	5 ms	10812 KB	Output is correct
13	Correct	3 ms	10588 KB	Output is correct
14	Correct	4 ms	10844 KB	Output is correct
15	Correct	5 ms	10588 KB	Output is correct
16	Correct	3 ms	10588 KB	Output is correct
17	Correct	3 ms	10588 KB	Output is correct
18	Correct	3 ms	10588 KB	Output is correct
19	Correct	4 ms	10796 KB	Output is correct
20	Correct	4 ms	10588 KB	Output is correct
21	Correct	4 ms	10588 KB	Output is correct
22	Correct	3 ms	10588 KB	Output is correct
23	Correct	4 ms	10588 KB	Output is correct
24	Correct	4 ms	10588 KB	Output is correct
25	Correct	4 ms	10588 KB	Output is correct
26	Correct	4 ms	10588 KB	Output is correct
27	Correct	4 ms	10588 KB	Output is correct
28	Correct	4 ms	10588 KB	Output is correct
29	Execution timed out	2057 ms	120284 KB	Time limit exceeded
30	Halted	0 ms	0 KB	-

Subtask #5
0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	10588 KB	Output is correct
2	Correct	3 ms	10588 KB	Output is correct
3	Correct	3 ms	10588 KB	Output is correct
4	Correct	4 ms	10588 KB	Output is correct
5	Correct	4 ms	10588 KB	Output is correct
6	Correct	3 ms	10588 KB	Output is correct
7	Correct	3 ms	10588 KB	Output is correct
8	Correct	5 ms	10752 KB	Output is correct
9	Correct	4 ms	10588 KB	Output is correct
10	Correct	4 ms	10584 KB	Output is correct
11	Correct	4 ms	10840 KB	Output is correct
12	Correct	5 ms	10812 KB	Output is correct
13	Correct	3 ms	10588 KB	Output is correct
14	Correct	4 ms	10844 KB	Output is correct
15	Correct	5 ms	10588 KB	Output is correct
16	Correct	3 ms	10588 KB	Output is correct
17	Correct	3 ms	10588 KB	Output is correct
18	Correct	3 ms	10588 KB	Output is correct
19	Correct	4 ms	10796 KB	Output is correct
20	Correct	4 ms	10588 KB	Output is correct
21	Correct	4 ms	10588 KB	Output is correct
22	Correct	3 ms	10588 KB	Output is correct
23	Correct	4 ms	10588 KB	Output is correct
24	Correct	4 ms	10588 KB	Output is correct
25	Correct	4 ms	10588 KB	Output is correct
26	Correct	4 ms	10588 KB	Output is correct
27	Correct	4 ms	10588 KB	Output is correct
28	Correct	4 ms	10588 KB	Output is correct
29	Correct	46 ms	10912 KB	Output is correct
30	Correct	55 ms	10988 KB	Output is correct
31	Correct	47 ms	11000 KB	Output is correct
32	Correct	29 ms	10928 KB	Output is correct
33	Correct	20 ms	10844 KB	Output is correct
34	Correct	42 ms	11004 KB	Output is correct
35	Correct	62 ms	11068 KB	Output is correct
36	Correct	39 ms	11096 KB	Output is correct
37	Correct	79 ms	13136 KB	Output is correct
38	Correct	82 ms	12128 KB	Output is correct
39	Correct	62 ms	11456 KB	Output is correct
40	Correct	40 ms	10844 KB	Output is correct
41	Correct	45 ms	10844 KB	Output is correct
42	Correct	39 ms	10844 KB	Output is correct
43	Correct	28 ms	10844 KB	Output is correct
44	Correct	45 ms	10992 KB	Output is correct
45	Correct	44 ms	10840 KB	Output is correct
46	Correct	54 ms	10844 KB	Output is correct
47	Correct	33 ms	10816 KB	Output is correct
48	Correct	37 ms	10996 KB	Output is correct
49	Correct	46 ms	10912 KB	Output is correct
50	Correct	56 ms	10844 KB	Output is correct
51	Correct	31 ms	10980 KB	Output is correct
52	Correct	38 ms	10992 KB	Output is correct
53	Correct	47 ms	10844 KB	Output is correct
54	Correct	59 ms	11036 KB	Output is correct
55	Execution timed out	2009 ms	64504 KB	Time limit exceeded
56	Halted	0 ms	0 KB	-

Subtask #6
0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	10588 KB	Output is correct
2	Correct	3 ms	10588 KB	Output is correct
3	Correct	3 ms	10588 KB	Output is correct
4	Correct	4 ms	10588 KB	Output is correct
5	Correct	4 ms	10588 KB	Output is correct
6	Correct	3 ms	10588 KB	Output is correct
7	Correct	3 ms	10588 KB	Output is correct
8	Correct	5 ms	10752 KB	Output is correct
9	Correct	4 ms	10588 KB	Output is correct
10	Correct	4 ms	10584 KB	Output is correct
11	Correct	4 ms	10840 KB	Output is correct
12	Correct	5 ms	10812 KB	Output is correct
13	Correct	3 ms	10588 KB	Output is correct
14	Correct	4 ms	10844 KB	Output is correct
15	Correct	5 ms	10588 KB	Output is correct
16	Correct	3 ms	10588 KB	Output is correct
17	Correct	3 ms	10588 KB	Output is correct
18	Correct	3 ms	10588 KB	Output is correct
19	Correct	4 ms	10796 KB	Output is correct
20	Correct	4 ms	10588 KB	Output is correct
21	Correct	4 ms	10588 KB	Output is correct
22	Correct	3 ms	10588 KB	Output is correct
23	Correct	4 ms	10588 KB	Output is correct
24	Correct	4 ms	10588 KB	Output is correct
25	Correct	4 ms	10588 KB	Output is correct
26	Correct	4 ms	10588 KB	Output is correct
27	Correct	4 ms	10588 KB	Output is correct
28	Correct	4 ms	10588 KB	Output is correct
29	Correct	46 ms	10912 KB	Output is correct
30	Correct	55 ms	10988 KB	Output is correct
31	Correct	47 ms	11000 KB	Output is correct
32	Correct	29 ms	10928 KB	Output is correct
33	Correct	20 ms	10844 KB	Output is correct
34	Correct	42 ms	11004 KB	Output is correct
35	Correct	62 ms	11068 KB	Output is correct
36	Correct	39 ms	11096 KB	Output is correct
37	Correct	79 ms	13136 KB	Output is correct
38	Correct	82 ms	12128 KB	Output is correct
39	Correct	62 ms	11456 KB	Output is correct
40	Correct	40 ms	10844 KB	Output is correct
41	Correct	45 ms	10844 KB	Output is correct
42	Correct	39 ms	10844 KB	Output is correct
43	Correct	28 ms	10844 KB	Output is correct
44	Correct	45 ms	10992 KB	Output is correct
45	Correct	44 ms	10840 KB	Output is correct
46	Correct	54 ms	10844 KB	Output is correct
47	Correct	33 ms	10816 KB	Output is correct
48	Correct	37 ms	10996 KB	Output is correct
49	Correct	46 ms	10912 KB	Output is correct
50	Correct	56 ms	10844 KB	Output is correct
51	Correct	31 ms	10980 KB	Output is correct
52	Correct	38 ms	10992 KB	Output is correct
53	Correct	47 ms	10844 KB	Output is correct
54	Correct	59 ms	11036 KB	Output is correct
55	Execution timed out	2057 ms	120284 KB	Time limit exceeded
56	Halted	0 ms	0 KB	-

답안 #930595

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