Submission #914268

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
914268	2024-01-21T13:35:04 Z	Abito	Joker (BOI20_joker)	C++14	14 / 100	2000 ms	13776 KB

Joker

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#define F first
#define S second
#define pb push_back
#define ppb pop_back
#define ep insert
#define endl '\n'
#define elif else if
#define pow pwr
#define sqrt sqrtt
//#define int long long
#define ll long long
#define y1 YONE
#define free freeee
#define lcm llcm
/*
⠄⠄⠄⠄⢠⣿⣿⣿⣿⣿⢻⣿⣿⣿⣿⣿⣿⣿⣿⣯⢻⣿⣿⣿⣿⣆⠄⠄⠄
⠄⠄⣼⢀⣿⣿⣿⣿⣏⡏⠄⠹⣿⣿⣿⣿⣿⣿⣿⣿⣧⢻⣿⣿⣿⣿⡆⠄⠄
⠄⠄⡟⣼⣿⣿⣿⣿⣿⠄⠄⠄⠈⠻⣿⣿⣿⣿⣿⣿⣿⣇⢻⣿⣿⣿⣿⠄⠄
⠄⢰⠃⣿⣿⠿⣿⣿⣿⠄⠄⠄⠄⠄⠄⠙⠿⣿⣿⣿⣿⣿⠄⢿⣿⣿⣿⡄⠄
⠄⢸⢠⣿⣿⣧⡙⣿⣿⡆⠄⠄⠄⠄⠄⠄⠄⠈⠛⢿⣿⣿⡇⠸⣿⡿⣸⡇⠄
⠄⠈⡆⣿⣿⣿⣿⣦⡙⠳⠄⠄⠄⠄⠄⠄⢀⣠⣤⣀⣈⠙⠃⠄⠿⢇⣿⡇⠄
⠄⠄⡇⢿⣿⣿⣿⣿⡇⠄⠄⠄⠄⠄⣠⣶⣿⣿⣿⣿⣿⣿⣷⣆⡀⣼⣿⡇⠄
⠄⠄⢹⡘⣿⣿⣿⢿⣷⡀⠄⢀⣴⣾⣟⠉⠉⠉⠉⣽⣿⣿⣿⣿⠇⢹⣿⠃⠄
⠄⠄⠄⢷⡘⢿⣿⣎⢻⣷⠰⣿⣿⣿⣿⣦⣀⣀⣴⣿⣿⣿⠟⢫⡾⢸⡟⠄.
⠄⠄⠄⠄⠻⣦⡙⠿⣧⠙⢷⠙⠻⠿⢿⡿⠿⠿⠛⠋⠉⠄⠂⠘⠁⠞⠄⠄⠄
⠄⠄⠄⠄⠄⠈⠙⠑⣠⣤⣴⡖⠄⠿⣋⣉⣉⡁⠄⢾⣦⠄⠄⠄⠄⠄⠄⠄⠄
*/
typedef unsigned long long ull;
using namespace std;
const int N=1e5+5;
int n,m,q,l,r,qq,vis[N];
vector<pair<int,int>> adj[N];
bool cyc,tin[N],t;
void dfs(int x,int p){
    t=!t;
    vis[x]=qq;
    tin[x]=t;
    for (auto u:adj[x]){
        if ((u.S>=l && u.S<=r) || u.F==p) continue;
        if (vis[u.F]==qq) cyc|=!(tin[u.F]^tin[x]);
        else dfs(u.F,x);
        if (cyc) break;
    }t=!t;
    return;
}
int32_t main(){
    ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
    cin>>n>>m>>q;
    for (int i=1;i<=m;i++){
        int x,y;
        cin>>x>>y;
        adj[x].pb({y,i});
        adj[y].pb({x,i});
    }
    while (q--){
        cin>>l>>r;
        qq++;
        cyc=0;
        for (int i=1;i<=n;i++){
            if (vis[i]==qq) continue;
            dfs(i,0);
            if (cyc) break;
        }
        if (cyc) cout<<"YES"<<endl;
        else cout<<"NO"<<endl;
    }
    return 0;
}

Subtask #1
6.0 / 6.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	2652 KB	Output is correct
2	Correct	1 ms	2652 KB	Output is correct
3	Correct	1 ms	2736 KB	Output is correct
4	Correct	1 ms	2652 KB	Output is correct
5	Correct	1 ms	2652 KB	Output is correct
6	Correct	1 ms	2648 KB	Output is correct
7	Correct	1 ms	2904 KB	Output is correct
8	Correct	1 ms	2652 KB	Output is correct
9	Correct	2 ms	2652 KB	Output is correct
10	Correct	1 ms	2652 KB	Output is correct
11	Correct	2 ms	2804 KB	Output is correct
12	Correct	1 ms	2652 KB	Output is correct
13	Correct	2 ms	2652 KB	Output is correct
14	Correct	1 ms	2652 KB	Output is correct
15	Correct	2 ms	2648 KB	Output is correct
16	Correct	2 ms	2652 KB	Output is correct
17	Correct	1 ms	2652 KB	Output is correct
18	Correct	2 ms	2648 KB	Output is correct
19	Correct	1 ms	2652 KB	Output is correct
20	Correct	2 ms	2652 KB	Output is correct
21	Correct	1 ms	2652 KB	Output is correct
22	Correct	1 ms	2652 KB	Output is correct
23	Correct	1 ms	2648 KB	Output is correct
24	Correct	1 ms	2652 KB	Output is correct
25	Correct	1 ms	2652 KB	Output is correct
26	Correct	1 ms	2652 KB	Output is correct
27	Correct	1 ms	2652 KB	Output is correct
28	Correct	1 ms	2652 KB	Output is correct

Subtask #2
8.0 / 8.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	2652 KB	Output is correct
2	Correct	1 ms	2652 KB	Output is correct
3	Correct	1 ms	2736 KB	Output is correct
4	Correct	1 ms	2652 KB	Output is correct
5	Correct	1 ms	2652 KB	Output is correct
6	Correct	1 ms	2648 KB	Output is correct
7	Correct	1 ms	2904 KB	Output is correct
8	Correct	1 ms	2652 KB	Output is correct
9	Correct	2 ms	2652 KB	Output is correct
10	Correct	1 ms	2652 KB	Output is correct
11	Correct	2 ms	2804 KB	Output is correct
12	Correct	1 ms	2652 KB	Output is correct
13	Correct	2 ms	2652 KB	Output is correct
14	Correct	1 ms	2652 KB	Output is correct
15	Correct	2 ms	2648 KB	Output is correct
16	Correct	2 ms	2652 KB	Output is correct
17	Correct	1 ms	2652 KB	Output is correct
18	Correct	2 ms	2648 KB	Output is correct
19	Correct	1 ms	2652 KB	Output is correct
20	Correct	2 ms	2652 KB	Output is correct
21	Correct	1 ms	2652 KB	Output is correct
22	Correct	1 ms	2652 KB	Output is correct
23	Correct	1 ms	2648 KB	Output is correct
24	Correct	1 ms	2652 KB	Output is correct
25	Correct	1 ms	2652 KB	Output is correct
26	Correct	1 ms	2652 KB	Output is correct
27	Correct	1 ms	2652 KB	Output is correct
28	Correct	1 ms	2652 KB	Output is correct
29	Correct	58 ms	2652 KB	Output is correct
30	Correct	40 ms	2896 KB	Output is correct
31	Correct	30 ms	2652 KB	Output is correct
32	Correct	17 ms	2652 KB	Output is correct
33	Correct	6 ms	2904 KB	Output is correct
34	Correct	28 ms	2900 KB	Output is correct
35	Correct	47 ms	2896 KB	Output is correct
36	Correct	14 ms	2952 KB	Output is correct
37	Correct	57 ms	2928 KB	Output is correct
38	Correct	61 ms	2908 KB	Output is correct
39	Correct	38 ms	2908 KB	Output is correct
40	Correct	23 ms	2908 KB	Output is correct
41	Correct	17 ms	2908 KB	Output is correct
42	Correct	18 ms	2652 KB	Output is correct
43	Correct	5 ms	2904 KB	Output is correct
44	Correct	4 ms	2884 KB	Output is correct
45	Correct	6 ms	2652 KB	Output is correct
46	Correct	9 ms	2900 KB	Output is correct
47	Correct	18 ms	2900 KB	Output is correct
48	Correct	20 ms	2652 KB	Output is correct
49	Correct	28 ms	2908 KB	Output is correct
50	Correct	34 ms	2652 KB	Output is correct
51	Correct	21 ms	2908 KB	Output is correct
52	Correct	26 ms	2908 KB	Output is correct
53	Correct	32 ms	2904 KB	Output is correct
54	Correct	50 ms	2904 KB	Output is correct

Subtask #3
0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	2652 KB	Output is correct
2	Correct	1 ms	2652 KB	Output is correct
3	Execution timed out	2040 ms	12156 KB	Time limit exceeded
4	Halted	0 ms	0 KB	-

Subtask #4
0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	2652 KB	Output is correct
2	Correct	1 ms	2652 KB	Output is correct
3	Correct	1 ms	2736 KB	Output is correct
4	Correct	1 ms	2652 KB	Output is correct
5	Correct	1 ms	2652 KB	Output is correct
6	Correct	1 ms	2648 KB	Output is correct
7	Correct	1 ms	2904 KB	Output is correct
8	Correct	1 ms	2652 KB	Output is correct
9	Correct	2 ms	2652 KB	Output is correct
10	Correct	1 ms	2652 KB	Output is correct
11	Correct	2 ms	2804 KB	Output is correct
12	Correct	1 ms	2652 KB	Output is correct
13	Correct	2 ms	2652 KB	Output is correct
14	Correct	1 ms	2652 KB	Output is correct
15	Correct	2 ms	2648 KB	Output is correct
16	Correct	2 ms	2652 KB	Output is correct
17	Correct	1 ms	2652 KB	Output is correct
18	Correct	2 ms	2648 KB	Output is correct
19	Correct	1 ms	2652 KB	Output is correct
20	Correct	2 ms	2652 KB	Output is correct
21	Correct	1 ms	2652 KB	Output is correct
22	Correct	1 ms	2652 KB	Output is correct
23	Correct	1 ms	2648 KB	Output is correct
24	Correct	1 ms	2652 KB	Output is correct
25	Correct	1 ms	2652 KB	Output is correct
26	Correct	1 ms	2652 KB	Output is correct
27	Correct	1 ms	2652 KB	Output is correct
28	Correct	1 ms	2652 KB	Output is correct
29	Execution timed out	2040 ms	12156 KB	Time limit exceeded
30	Halted	0 ms	0 KB	-

Subtask #5
0 / 22.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	2652 KB	Output is correct
2	Correct	1 ms	2652 KB	Output is correct
3	Correct	1 ms	2736 KB	Output is correct
4	Correct	1 ms	2652 KB	Output is correct
5	Correct	1 ms	2652 KB	Output is correct
6	Correct	1 ms	2648 KB	Output is correct
7	Correct	1 ms	2904 KB	Output is correct
8	Correct	1 ms	2652 KB	Output is correct
9	Correct	2 ms	2652 KB	Output is correct
10	Correct	1 ms	2652 KB	Output is correct
11	Correct	2 ms	2804 KB	Output is correct
12	Correct	1 ms	2652 KB	Output is correct
13	Correct	2 ms	2652 KB	Output is correct
14	Correct	1 ms	2652 KB	Output is correct
15	Correct	2 ms	2648 KB	Output is correct
16	Correct	2 ms	2652 KB	Output is correct
17	Correct	1 ms	2652 KB	Output is correct
18	Correct	2 ms	2648 KB	Output is correct
19	Correct	1 ms	2652 KB	Output is correct
20	Correct	2 ms	2652 KB	Output is correct
21	Correct	1 ms	2652 KB	Output is correct
22	Correct	1 ms	2652 KB	Output is correct
23	Correct	1 ms	2648 KB	Output is correct
24	Correct	1 ms	2652 KB	Output is correct
25	Correct	1 ms	2652 KB	Output is correct
26	Correct	1 ms	2652 KB	Output is correct
27	Correct	1 ms	2652 KB	Output is correct
28	Correct	1 ms	2652 KB	Output is correct
29	Correct	58 ms	2652 KB	Output is correct
30	Correct	40 ms	2896 KB	Output is correct
31	Correct	30 ms	2652 KB	Output is correct
32	Correct	17 ms	2652 KB	Output is correct
33	Correct	6 ms	2904 KB	Output is correct
34	Correct	28 ms	2900 KB	Output is correct
35	Correct	47 ms	2896 KB	Output is correct
36	Correct	14 ms	2952 KB	Output is correct
37	Correct	57 ms	2928 KB	Output is correct
38	Correct	61 ms	2908 KB	Output is correct
39	Correct	38 ms	2908 KB	Output is correct
40	Correct	23 ms	2908 KB	Output is correct
41	Correct	17 ms	2908 KB	Output is correct
42	Correct	18 ms	2652 KB	Output is correct
43	Correct	5 ms	2904 KB	Output is correct
44	Correct	4 ms	2884 KB	Output is correct
45	Correct	6 ms	2652 KB	Output is correct
46	Correct	9 ms	2900 KB	Output is correct
47	Correct	18 ms	2900 KB	Output is correct
48	Correct	20 ms	2652 KB	Output is correct
49	Correct	28 ms	2908 KB	Output is correct
50	Correct	34 ms	2652 KB	Output is correct
51	Correct	21 ms	2908 KB	Output is correct
52	Correct	26 ms	2908 KB	Output is correct
53	Correct	32 ms	2904 KB	Output is correct
54	Correct	50 ms	2904 KB	Output is correct
55	Execution timed out	2065 ms	13776 KB	Time limit exceeded
56	Halted	0 ms	0 KB	-

Subtask #6
0 / 29.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	2652 KB	Output is correct
2	Correct	1 ms	2652 KB	Output is correct
3	Correct	1 ms	2736 KB	Output is correct
4	Correct	1 ms	2652 KB	Output is correct
5	Correct	1 ms	2652 KB	Output is correct
6	Correct	1 ms	2648 KB	Output is correct
7	Correct	1 ms	2904 KB	Output is correct
8	Correct	1 ms	2652 KB	Output is correct
9	Correct	2 ms	2652 KB	Output is correct
10	Correct	1 ms	2652 KB	Output is correct
11	Correct	2 ms	2804 KB	Output is correct
12	Correct	1 ms	2652 KB	Output is correct
13	Correct	2 ms	2652 KB	Output is correct
14	Correct	1 ms	2652 KB	Output is correct
15	Correct	2 ms	2648 KB	Output is correct
16	Correct	2 ms	2652 KB	Output is correct
17	Correct	1 ms	2652 KB	Output is correct
18	Correct	2 ms	2648 KB	Output is correct
19	Correct	1 ms	2652 KB	Output is correct
20	Correct	2 ms	2652 KB	Output is correct
21	Correct	1 ms	2652 KB	Output is correct
22	Correct	1 ms	2652 KB	Output is correct
23	Correct	1 ms	2648 KB	Output is correct
24	Correct	1 ms	2652 KB	Output is correct
25	Correct	1 ms	2652 KB	Output is correct
26	Correct	1 ms	2652 KB	Output is correct
27	Correct	1 ms	2652 KB	Output is correct
28	Correct	1 ms	2652 KB	Output is correct
29	Correct	58 ms	2652 KB	Output is correct
30	Correct	40 ms	2896 KB	Output is correct
31	Correct	30 ms	2652 KB	Output is correct
32	Correct	17 ms	2652 KB	Output is correct
33	Correct	6 ms	2904 KB	Output is correct
34	Correct	28 ms	2900 KB	Output is correct
35	Correct	47 ms	2896 KB	Output is correct
36	Correct	14 ms	2952 KB	Output is correct
37	Correct	57 ms	2928 KB	Output is correct
38	Correct	61 ms	2908 KB	Output is correct
39	Correct	38 ms	2908 KB	Output is correct
40	Correct	23 ms	2908 KB	Output is correct
41	Correct	17 ms	2908 KB	Output is correct
42	Correct	18 ms	2652 KB	Output is correct
43	Correct	5 ms	2904 KB	Output is correct
44	Correct	4 ms	2884 KB	Output is correct
45	Correct	6 ms	2652 KB	Output is correct
46	Correct	9 ms	2900 KB	Output is correct
47	Correct	18 ms	2900 KB	Output is correct
48	Correct	20 ms	2652 KB	Output is correct
49	Correct	28 ms	2908 KB	Output is correct
50	Correct	34 ms	2652 KB	Output is correct
51	Correct	21 ms	2908 KB	Output is correct
52	Correct	26 ms	2908 KB	Output is correct
53	Correct	32 ms	2904 KB	Output is correct
54	Correct	50 ms	2904 KB	Output is correct
55	Execution timed out	2040 ms	12156 KB	Time limit exceeded
56	Halted	0 ms	0 KB	-

Submission #914268

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