답안 #1093510

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1093510	2024-09-27T01:51:28 Z	zNatsumi	Joker (BOI20_joker)	C++17	14 / 100	2000 ms	15808 KB

Joker

#include <bits/stdc++.h>

using namespace std;

#define ii pair<int, int>
#define fi first
#define se second
#define all(x) x.begin(), x.end()

const int N = 2e5 + 5;

int n, m, q;
vector<ii> ad[N], que;

namespace sub1{
  int val[N];

  void solve(){
    for(auto x : que){
      int l, r; tie(l, r) = x;

      for(int i = 1; i <= n; i++) val[i] = -1;

      bool ok = false;
      for(int i = 1; i <= n; i++) if(val[i] == -1){
        queue<int> q;
        q.push(i);
        val[i] = 0;

        while(q.size()){
          auto u = q.front(); q.pop();

          for(auto [v, idx] : ad[u]){
            if(l <= idx && idx <= r) continue;
            if(val[v] == -1){
              q.push(v);
              val[v] = val[u] ^ 1;
            }
            else if(val[v] == val[u]){
              ok = true;
              break;
            }
          }
        }
        if(ok) break;
      }
      cout << (ok ? "YES\n" : "NO\n");
    }
  }
}

int32_t main(){
  cin.tie(0)->sync_with_stdio(0);
//  #define task "test"
//  if(fopen(task ".inp", "r")){
//    freopen(task ".inp", "r", stdin);
//    freopen(task ".out", "w", stdout);
//  }
  cin >> n >> m >> q;
  for(int i = 1; i <= m; i++){
    int u, v; cin >> u >> v;
    ad[u].push_back({v, i});
    ad[v].push_back({u, i});
  }
  for(int i = 1; i <= q; i++){
    int l, r; cin >> l >> r;
    que.push_back({l, r});
  }

  sub1::solve();


  return 0;
}

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	4952 KB	Output is correct
2	Correct	2 ms	4956 KB	Output is correct
3	Correct	2 ms	4956 KB	Output is correct
4	Correct	2 ms	4952 KB	Output is correct
5	Correct	2 ms	4956 KB	Output is correct
6	Correct	2 ms	4956 KB	Output is correct
7	Correct	3 ms	5048 KB	Output is correct
8	Correct	2 ms	4956 KB	Output is correct
9	Correct	3 ms	4956 KB	Output is correct
10	Correct	2 ms	4956 KB	Output is correct
11	Correct	3 ms	4952 KB	Output is correct
12	Correct	3 ms	4952 KB	Output is correct
13	Correct	2 ms	5212 KB	Output is correct
14	Correct	2 ms	4956 KB	Output is correct
15	Correct	2 ms	4956 KB	Output is correct
16	Correct	3 ms	4956 KB	Output is correct
17	Correct	3 ms	5036 KB	Output is correct
18	Correct	3 ms	4952 KB	Output is correct
19	Correct	3 ms	4952 KB	Output is correct
20	Correct	4 ms	4956 KB	Output is correct
21	Correct	4 ms	4980 KB	Output is correct
22	Correct	3 ms	4956 KB	Output is correct
23	Correct	2 ms	4956 KB	Output is correct
24	Correct	2 ms	5160 KB	Output is correct
25	Correct	2 ms	4956 KB	Output is correct
26	Correct	2 ms	4956 KB	Output is correct
27	Correct	3 ms	4956 KB	Output is correct
28	Correct	3 ms	4956 KB	Output is correct

Subtask #2
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	4952 KB	Output is correct
2	Correct	2 ms	4956 KB	Output is correct
3	Correct	2 ms	4956 KB	Output is correct
4	Correct	2 ms	4952 KB	Output is correct
5	Correct	2 ms	4956 KB	Output is correct
6	Correct	2 ms	4956 KB	Output is correct
7	Correct	3 ms	5048 KB	Output is correct
8	Correct	2 ms	4956 KB	Output is correct
9	Correct	3 ms	4956 KB	Output is correct
10	Correct	2 ms	4956 KB	Output is correct
11	Correct	3 ms	4952 KB	Output is correct
12	Correct	3 ms	4952 KB	Output is correct
13	Correct	2 ms	5212 KB	Output is correct
14	Correct	2 ms	4956 KB	Output is correct
15	Correct	2 ms	4956 KB	Output is correct
16	Correct	3 ms	4956 KB	Output is correct
17	Correct	3 ms	5036 KB	Output is correct
18	Correct	3 ms	4952 KB	Output is correct
19	Correct	3 ms	4952 KB	Output is correct
20	Correct	4 ms	4956 KB	Output is correct
21	Correct	4 ms	4980 KB	Output is correct
22	Correct	3 ms	4956 KB	Output is correct
23	Correct	2 ms	4956 KB	Output is correct
24	Correct	2 ms	5160 KB	Output is correct
25	Correct	2 ms	4956 KB	Output is correct
26	Correct	2 ms	4956 KB	Output is correct
27	Correct	3 ms	4956 KB	Output is correct
28	Correct	3 ms	4956 KB	Output is correct
29	Correct	101 ms	5248 KB	Output is correct
30	Correct	84 ms	5208 KB	Output is correct
31	Correct	81 ms	5280 KB	Output is correct
32	Correct	64 ms	5208 KB	Output is correct
33	Correct	37 ms	5208 KB	Output is correct
34	Correct	84 ms	5208 KB	Output is correct
35	Correct	97 ms	5208 KB	Output is correct
36	Correct	21 ms	5292 KB	Output is correct
37	Correct	71 ms	5212 KB	Output is correct
38	Correct	49 ms	5288 KB	Output is correct
39	Correct	81 ms	5212 KB	Output is correct
40	Correct	60 ms	5288 KB	Output is correct
41	Correct	58 ms	5208 KB	Output is correct
42	Correct	59 ms	5212 KB	Output is correct
43	Correct	28 ms	5296 KB	Output is correct
44	Correct	46 ms	5284 KB	Output is correct
45	Correct	65 ms	5208 KB	Output is correct
46	Correct	66 ms	5172 KB	Output is correct
47	Correct	47 ms	5276 KB	Output is correct
48	Correct	62 ms	5208 KB	Output is correct
49	Correct	65 ms	5280 KB	Output is correct
50	Correct	77 ms	5212 KB	Output is correct
51	Correct	48 ms	5208 KB	Output is correct
52	Correct	63 ms	5296 KB	Output is correct
53	Correct	79 ms	5212 KB	Output is correct
54	Correct	92 ms	5212 KB	Output is correct

Subtask #3
0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	4952 KB	Output is correct
2	Correct	2 ms	4956 KB	Output is correct
3	Execution timed out	2047 ms	15808 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	4952 KB	Output is correct
2	Correct	2 ms	4956 KB	Output is correct
3	Correct	2 ms	4956 KB	Output is correct
4	Correct	2 ms	4952 KB	Output is correct
5	Correct	2 ms	4956 KB	Output is correct
6	Correct	2 ms	4956 KB	Output is correct
7	Correct	3 ms	5048 KB	Output is correct
8	Correct	2 ms	4956 KB	Output is correct
9	Correct	3 ms	4956 KB	Output is correct
10	Correct	2 ms	4956 KB	Output is correct
11	Correct	3 ms	4952 KB	Output is correct
12	Correct	3 ms	4952 KB	Output is correct
13	Correct	2 ms	5212 KB	Output is correct
14	Correct	2 ms	4956 KB	Output is correct
15	Correct	2 ms	4956 KB	Output is correct
16	Correct	3 ms	4956 KB	Output is correct
17	Correct	3 ms	5036 KB	Output is correct
18	Correct	3 ms	4952 KB	Output is correct
19	Correct	3 ms	4952 KB	Output is correct
20	Correct	4 ms	4956 KB	Output is correct
21	Correct	4 ms	4980 KB	Output is correct
22	Correct	3 ms	4956 KB	Output is correct
23	Correct	2 ms	4956 KB	Output is correct
24	Correct	2 ms	5160 KB	Output is correct
25	Correct	2 ms	4956 KB	Output is correct
26	Correct	2 ms	4956 KB	Output is correct
27	Correct	3 ms	4956 KB	Output is correct
28	Correct	3 ms	4956 KB	Output is correct
29	Execution timed out	2047 ms	15808 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	4952 KB	Output is correct
2	Correct	2 ms	4956 KB	Output is correct
3	Correct	2 ms	4956 KB	Output is correct
4	Correct	2 ms	4952 KB	Output is correct
5	Correct	2 ms	4956 KB	Output is correct
6	Correct	2 ms	4956 KB	Output is correct
7	Correct	3 ms	5048 KB	Output is correct
8	Correct	2 ms	4956 KB	Output is correct
9	Correct	3 ms	4956 KB	Output is correct
10	Correct	2 ms	4956 KB	Output is correct
11	Correct	3 ms	4952 KB	Output is correct
12	Correct	3 ms	4952 KB	Output is correct
13	Correct	2 ms	5212 KB	Output is correct
14	Correct	2 ms	4956 KB	Output is correct
15	Correct	2 ms	4956 KB	Output is correct
16	Correct	3 ms	4956 KB	Output is correct
17	Correct	3 ms	5036 KB	Output is correct
18	Correct	3 ms	4952 KB	Output is correct
19	Correct	3 ms	4952 KB	Output is correct
20	Correct	4 ms	4956 KB	Output is correct
21	Correct	4 ms	4980 KB	Output is correct
22	Correct	3 ms	4956 KB	Output is correct
23	Correct	2 ms	4956 KB	Output is correct
24	Correct	2 ms	5160 KB	Output is correct
25	Correct	2 ms	4956 KB	Output is correct
26	Correct	2 ms	4956 KB	Output is correct
27	Correct	3 ms	4956 KB	Output is correct
28	Correct	3 ms	4956 KB	Output is correct
29	Correct	101 ms	5248 KB	Output is correct
30	Correct	84 ms	5208 KB	Output is correct
31	Correct	81 ms	5280 KB	Output is correct
32	Correct	64 ms	5208 KB	Output is correct
33	Correct	37 ms	5208 KB	Output is correct
34	Correct	84 ms	5208 KB	Output is correct
35	Correct	97 ms	5208 KB	Output is correct
36	Correct	21 ms	5292 KB	Output is correct
37	Correct	71 ms	5212 KB	Output is correct
38	Correct	49 ms	5288 KB	Output is correct
39	Correct	81 ms	5212 KB	Output is correct
40	Correct	60 ms	5288 KB	Output is correct
41	Correct	58 ms	5208 KB	Output is correct
42	Correct	59 ms	5212 KB	Output is correct
43	Correct	28 ms	5296 KB	Output is correct
44	Correct	46 ms	5284 KB	Output is correct
45	Correct	65 ms	5208 KB	Output is correct
46	Correct	66 ms	5172 KB	Output is correct
47	Correct	47 ms	5276 KB	Output is correct
48	Correct	62 ms	5208 KB	Output is correct
49	Correct	65 ms	5280 KB	Output is correct
50	Correct	77 ms	5212 KB	Output is correct
51	Correct	48 ms	5208 KB	Output is correct
52	Correct	63 ms	5296 KB	Output is correct
53	Correct	79 ms	5212 KB	Output is correct
54	Correct	92 ms	5212 KB	Output is correct
55	Execution timed out	2036 ms	12600 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	4952 KB	Output is correct
2	Correct	2 ms	4956 KB	Output is correct
3	Correct	2 ms	4956 KB	Output is correct
4	Correct	2 ms	4952 KB	Output is correct
5	Correct	2 ms	4956 KB	Output is correct
6	Correct	2 ms	4956 KB	Output is correct
7	Correct	3 ms	5048 KB	Output is correct
8	Correct	2 ms	4956 KB	Output is correct
9	Correct	3 ms	4956 KB	Output is correct
10	Correct	2 ms	4956 KB	Output is correct
11	Correct	3 ms	4952 KB	Output is correct
12	Correct	3 ms	4952 KB	Output is correct
13	Correct	2 ms	5212 KB	Output is correct
14	Correct	2 ms	4956 KB	Output is correct
15	Correct	2 ms	4956 KB	Output is correct
16	Correct	3 ms	4956 KB	Output is correct
17	Correct	3 ms	5036 KB	Output is correct
18	Correct	3 ms	4952 KB	Output is correct
19	Correct	3 ms	4952 KB	Output is correct
20	Correct	4 ms	4956 KB	Output is correct
21	Correct	4 ms	4980 KB	Output is correct
22	Correct	3 ms	4956 KB	Output is correct
23	Correct	2 ms	4956 KB	Output is correct
24	Correct	2 ms	5160 KB	Output is correct
25	Correct	2 ms	4956 KB	Output is correct
26	Correct	2 ms	4956 KB	Output is correct
27	Correct	3 ms	4956 KB	Output is correct
28	Correct	3 ms	4956 KB	Output is correct
29	Correct	101 ms	5248 KB	Output is correct
30	Correct	84 ms	5208 KB	Output is correct
31	Correct	81 ms	5280 KB	Output is correct
32	Correct	64 ms	5208 KB	Output is correct
33	Correct	37 ms	5208 KB	Output is correct
34	Correct	84 ms	5208 KB	Output is correct
35	Correct	97 ms	5208 KB	Output is correct
36	Correct	21 ms	5292 KB	Output is correct
37	Correct	71 ms	5212 KB	Output is correct
38	Correct	49 ms	5288 KB	Output is correct
39	Correct	81 ms	5212 KB	Output is correct
40	Correct	60 ms	5288 KB	Output is correct
41	Correct	58 ms	5208 KB	Output is correct
42	Correct	59 ms	5212 KB	Output is correct
43	Correct	28 ms	5296 KB	Output is correct
44	Correct	46 ms	5284 KB	Output is correct
45	Correct	65 ms	5208 KB	Output is correct
46	Correct	66 ms	5172 KB	Output is correct
47	Correct	47 ms	5276 KB	Output is correct
48	Correct	62 ms	5208 KB	Output is correct
49	Correct	65 ms	5280 KB	Output is correct
50	Correct	77 ms	5212 KB	Output is correct
51	Correct	48 ms	5208 KB	Output is correct
52	Correct	63 ms	5296 KB	Output is correct
53	Correct	79 ms	5212 KB	Output is correct
54	Correct	92 ms	5212 KB	Output is correct
55	Execution timed out	2047 ms	15808 KB	Time limit exceeded
56	Halted	0 ms	0 KB	-

답안 #1093510

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