Submission #914220

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
914220	2024-01-21T11:33:28 Z	Abito	Joker (BOI20_joker)	C++14	14 / 100	2000 ms	18440 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=2e5+5;
int n,m,q,vis[N],tin[N],t,l,r;
vector<pair<int,int>> adj[N];
bool cyc;
void dfs(int x,int p){
    //cout<<x<<' '<<p<<endl;
    vis[x]=1;
    tin[x]=++t;
    for (auto u:adj[x]){
        if (vis[u.F]==2 || u.F==p || (u.S>=l && u.S<=r)) continue;
        if (vis[u.F]) cyc|=((tin[x]-tin[u.F]+1)&1);
        else dfs(u.F,x);
        if (cyc) break;
    }t--;
    vis[x]++;
    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;
        memset(vis,0,sizeof(vis));cyc=0;
        for (int i=1;i<=n;i++){
            if (vis[i]);
            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	2 ms	5720 KB	Output is correct
2	Correct	2 ms	5724 KB	Output is correct
3	Correct	2 ms	5724 KB	Output is correct
4	Correct	2 ms	5724 KB	Output is correct
5	Correct	2 ms	5724 KB	Output is correct
6	Correct	3 ms	5724 KB	Output is correct
7	Correct	5 ms	5948 KB	Output is correct
8	Correct	5 ms	5724 KB	Output is correct
9	Correct	5 ms	5724 KB	Output is correct
10	Correct	5 ms	5724 KB	Output is correct
11	Correct	5 ms	5724 KB	Output is correct
12	Correct	5 ms	5724 KB	Output is correct
13	Correct	5 ms	5724 KB	Output is correct
14	Correct	5 ms	5724 KB	Output is correct
15	Correct	5 ms	5724 KB	Output is correct
16	Correct	5 ms	5724 KB	Output is correct
17	Correct	4 ms	5952 KB	Output is correct
18	Correct	5 ms	5724 KB	Output is correct
19	Correct	5 ms	5724 KB	Output is correct
20	Correct	4 ms	5724 KB	Output is correct
21	Correct	5 ms	5948 KB	Output is correct
22	Correct	5 ms	5724 KB	Output is correct
23	Correct	5 ms	5724 KB	Output is correct
24	Correct	5 ms	5724 KB	Output is correct
25	Correct	5 ms	5724 KB	Output is correct
26	Correct	5 ms	5976 KB	Output is correct
27	Correct	5 ms	5724 KB	Output is correct
28	Correct	5 ms	5724 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	2 ms	5724 KB	Output is correct
3	Correct	2 ms	5724 KB	Output is correct
4	Correct	2 ms	5724 KB	Output is correct
5	Correct	2 ms	5724 KB	Output is correct
6	Correct	3 ms	5724 KB	Output is correct
7	Correct	5 ms	5948 KB	Output is correct
8	Correct	5 ms	5724 KB	Output is correct
9	Correct	5 ms	5724 KB	Output is correct
10	Correct	5 ms	5724 KB	Output is correct
11	Correct	5 ms	5724 KB	Output is correct
12	Correct	5 ms	5724 KB	Output is correct
13	Correct	5 ms	5724 KB	Output is correct
14	Correct	5 ms	5724 KB	Output is correct
15	Correct	5 ms	5724 KB	Output is correct
16	Correct	5 ms	5724 KB	Output is correct
17	Correct	4 ms	5952 KB	Output is correct
18	Correct	5 ms	5724 KB	Output is correct
19	Correct	5 ms	5724 KB	Output is correct
20	Correct	4 ms	5724 KB	Output is correct
21	Correct	5 ms	5948 KB	Output is correct
22	Correct	5 ms	5724 KB	Output is correct
23	Correct	5 ms	5724 KB	Output is correct
24	Correct	5 ms	5724 KB	Output is correct
25	Correct	5 ms	5724 KB	Output is correct
26	Correct	5 ms	5976 KB	Output is correct
27	Correct	5 ms	5724 KB	Output is correct
28	Correct	5 ms	5724 KB	Output is correct
29	Correct	105 ms	5980 KB	Output is correct
30	Correct	86 ms	6032 KB	Output is correct
31	Correct	72 ms	6028 KB	Output is correct
32	Correct	51 ms	5980 KB	Output is correct
33	Correct	36 ms	5976 KB	Output is correct
34	Correct	73 ms	6176 KB	Output is correct
35	Correct	94 ms	5976 KB	Output is correct
36	Correct	48 ms	6320 KB	Output is correct
37	Correct	109 ms	6052 KB	Output is correct
38	Correct	125 ms	6028 KB	Output is correct
39	Correct	94 ms	6020 KB	Output is correct
40	Correct	65 ms	5976 KB	Output is correct
41	Correct	60 ms	5980 KB	Output is correct
42	Correct	61 ms	5976 KB	Output is correct
43	Correct	31 ms	5980 KB	Output is correct
44	Correct	33 ms	5976 KB	Output is correct
45	Correct	40 ms	6236 KB	Output is correct
46	Correct	38 ms	5976 KB	Output is correct
47	Correct	57 ms	6008 KB	Output is correct
48	Correct	60 ms	6004 KB	Output is correct
49	Correct	71 ms	5976 KB	Output is correct
50	Correct	82 ms	6020 KB	Output is correct
51	Correct	60 ms	5980 KB	Output is correct
52	Correct	67 ms	5980 KB	Output is correct
53	Correct	75 ms	5980 KB	Output is correct
54	Correct	90 ms	6232 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	2 ms	5724 KB	Output is correct
3	Execution timed out	2049 ms	16468 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	2 ms	5724 KB	Output is correct
3	Correct	2 ms	5724 KB	Output is correct
4	Correct	2 ms	5724 KB	Output is correct
5	Correct	2 ms	5724 KB	Output is correct
6	Correct	3 ms	5724 KB	Output is correct
7	Correct	5 ms	5948 KB	Output is correct
8	Correct	5 ms	5724 KB	Output is correct
9	Correct	5 ms	5724 KB	Output is correct
10	Correct	5 ms	5724 KB	Output is correct
11	Correct	5 ms	5724 KB	Output is correct
12	Correct	5 ms	5724 KB	Output is correct
13	Correct	5 ms	5724 KB	Output is correct
14	Correct	5 ms	5724 KB	Output is correct
15	Correct	5 ms	5724 KB	Output is correct
16	Correct	5 ms	5724 KB	Output is correct
17	Correct	4 ms	5952 KB	Output is correct
18	Correct	5 ms	5724 KB	Output is correct
19	Correct	5 ms	5724 KB	Output is correct
20	Correct	4 ms	5724 KB	Output is correct
21	Correct	5 ms	5948 KB	Output is correct
22	Correct	5 ms	5724 KB	Output is correct
23	Correct	5 ms	5724 KB	Output is correct
24	Correct	5 ms	5724 KB	Output is correct
25	Correct	5 ms	5724 KB	Output is correct
26	Correct	5 ms	5976 KB	Output is correct
27	Correct	5 ms	5724 KB	Output is correct
28	Correct	5 ms	5724 KB	Output is correct
29	Execution timed out	2049 ms	16468 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	2 ms	5724 KB	Output is correct
3	Correct	2 ms	5724 KB	Output is correct
4	Correct	2 ms	5724 KB	Output is correct
5	Correct	2 ms	5724 KB	Output is correct
6	Correct	3 ms	5724 KB	Output is correct
7	Correct	5 ms	5948 KB	Output is correct
8	Correct	5 ms	5724 KB	Output is correct
9	Correct	5 ms	5724 KB	Output is correct
10	Correct	5 ms	5724 KB	Output is correct
11	Correct	5 ms	5724 KB	Output is correct
12	Correct	5 ms	5724 KB	Output is correct
13	Correct	5 ms	5724 KB	Output is correct
14	Correct	5 ms	5724 KB	Output is correct
15	Correct	5 ms	5724 KB	Output is correct
16	Correct	5 ms	5724 KB	Output is correct
17	Correct	4 ms	5952 KB	Output is correct
18	Correct	5 ms	5724 KB	Output is correct
19	Correct	5 ms	5724 KB	Output is correct
20	Correct	4 ms	5724 KB	Output is correct
21	Correct	5 ms	5948 KB	Output is correct
22	Correct	5 ms	5724 KB	Output is correct
23	Correct	5 ms	5724 KB	Output is correct
24	Correct	5 ms	5724 KB	Output is correct
25	Correct	5 ms	5724 KB	Output is correct
26	Correct	5 ms	5976 KB	Output is correct
27	Correct	5 ms	5724 KB	Output is correct
28	Correct	5 ms	5724 KB	Output is correct
29	Correct	105 ms	5980 KB	Output is correct
30	Correct	86 ms	6032 KB	Output is correct
31	Correct	72 ms	6028 KB	Output is correct
32	Correct	51 ms	5980 KB	Output is correct
33	Correct	36 ms	5976 KB	Output is correct
34	Correct	73 ms	6176 KB	Output is correct
35	Correct	94 ms	5976 KB	Output is correct
36	Correct	48 ms	6320 KB	Output is correct
37	Correct	109 ms	6052 KB	Output is correct
38	Correct	125 ms	6028 KB	Output is correct
39	Correct	94 ms	6020 KB	Output is correct
40	Correct	65 ms	5976 KB	Output is correct
41	Correct	60 ms	5980 KB	Output is correct
42	Correct	61 ms	5976 KB	Output is correct
43	Correct	31 ms	5980 KB	Output is correct
44	Correct	33 ms	5976 KB	Output is correct
45	Correct	40 ms	6236 KB	Output is correct
46	Correct	38 ms	5976 KB	Output is correct
47	Correct	57 ms	6008 KB	Output is correct
48	Correct	60 ms	6004 KB	Output is correct
49	Correct	71 ms	5976 KB	Output is correct
50	Correct	82 ms	6020 KB	Output is correct
51	Correct	60 ms	5980 KB	Output is correct
52	Correct	67 ms	5980 KB	Output is correct
53	Correct	75 ms	5980 KB	Output is correct
54	Correct	90 ms	6232 KB	Output is correct
55	Execution timed out	2037 ms	18440 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	2 ms	5724 KB	Output is correct
3	Correct	2 ms	5724 KB	Output is correct
4	Correct	2 ms	5724 KB	Output is correct
5	Correct	2 ms	5724 KB	Output is correct
6	Correct	3 ms	5724 KB	Output is correct
7	Correct	5 ms	5948 KB	Output is correct
8	Correct	5 ms	5724 KB	Output is correct
9	Correct	5 ms	5724 KB	Output is correct
10	Correct	5 ms	5724 KB	Output is correct
11	Correct	5 ms	5724 KB	Output is correct
12	Correct	5 ms	5724 KB	Output is correct
13	Correct	5 ms	5724 KB	Output is correct
14	Correct	5 ms	5724 KB	Output is correct
15	Correct	5 ms	5724 KB	Output is correct
16	Correct	5 ms	5724 KB	Output is correct
17	Correct	4 ms	5952 KB	Output is correct
18	Correct	5 ms	5724 KB	Output is correct
19	Correct	5 ms	5724 KB	Output is correct
20	Correct	4 ms	5724 KB	Output is correct
21	Correct	5 ms	5948 KB	Output is correct
22	Correct	5 ms	5724 KB	Output is correct
23	Correct	5 ms	5724 KB	Output is correct
24	Correct	5 ms	5724 KB	Output is correct
25	Correct	5 ms	5724 KB	Output is correct
26	Correct	5 ms	5976 KB	Output is correct
27	Correct	5 ms	5724 KB	Output is correct
28	Correct	5 ms	5724 KB	Output is correct
29	Correct	105 ms	5980 KB	Output is correct
30	Correct	86 ms	6032 KB	Output is correct
31	Correct	72 ms	6028 KB	Output is correct
32	Correct	51 ms	5980 KB	Output is correct
33	Correct	36 ms	5976 KB	Output is correct
34	Correct	73 ms	6176 KB	Output is correct
35	Correct	94 ms	5976 KB	Output is correct
36	Correct	48 ms	6320 KB	Output is correct
37	Correct	109 ms	6052 KB	Output is correct
38	Correct	125 ms	6028 KB	Output is correct
39	Correct	94 ms	6020 KB	Output is correct
40	Correct	65 ms	5976 KB	Output is correct
41	Correct	60 ms	5980 KB	Output is correct
42	Correct	61 ms	5976 KB	Output is correct
43	Correct	31 ms	5980 KB	Output is correct
44	Correct	33 ms	5976 KB	Output is correct
45	Correct	40 ms	6236 KB	Output is correct
46	Correct	38 ms	5976 KB	Output is correct
47	Correct	57 ms	6008 KB	Output is correct
48	Correct	60 ms	6004 KB	Output is correct
49	Correct	71 ms	5976 KB	Output is correct
50	Correct	82 ms	6020 KB	Output is correct
51	Correct	60 ms	5980 KB	Output is correct
52	Correct	67 ms	5980 KB	Output is correct
53	Correct	75 ms	5980 KB	Output is correct
54	Correct	90 ms	6232 KB	Output is correct
55	Execution timed out	2049 ms	16468 KB	Time limit exceeded
56	Halted	0 ms	0 KB	-

Submission #914220

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