Submission #914221

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
914221	2024-01-21T11:33:56 Z	Abito	Joker (BOI20_joker)	C++14	14 / 100	2000 ms	15520 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,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	3168 KB	Output is correct
2	Correct	1 ms	3160 KB	Output is correct
3	Correct	1 ms	3164 KB	Output is correct
4	Correct	1 ms	3164 KB	Output is correct
5	Correct	1 ms	3164 KB	Output is correct
6	Correct	1 ms	3164 KB	Output is correct
7	Correct	3 ms	3164 KB	Output is correct
8	Correct	3 ms	3164 KB	Output is correct
9	Correct	2 ms	3164 KB	Output is correct
10	Correct	2 ms	3164 KB	Output is correct
11	Correct	3 ms	3164 KB	Output is correct
12	Correct	3 ms	3164 KB	Output is correct
13	Correct	2 ms	3164 KB	Output is correct
14	Correct	3 ms	3164 KB	Output is correct
15	Correct	3 ms	3164 KB	Output is correct
16	Correct	2 ms	3164 KB	Output is correct
17	Correct	2 ms	3160 KB	Output is correct
18	Correct	4 ms	3160 KB	Output is correct
19	Correct	2 ms	3164 KB	Output is correct
20	Correct	2 ms	3176 KB	Output is correct
21	Correct	2 ms	3160 KB	Output is correct
22	Correct	2 ms	3160 KB	Output is correct
23	Correct	2 ms	3164 KB	Output is correct
24	Correct	2 ms	3164 KB	Output is correct
25	Correct	2 ms	3164 KB	Output is correct
26	Correct	2 ms	3164 KB	Output is correct
27	Correct	2 ms	3160 KB	Output is correct
28	Correct	3 ms	3420 KB	Output is correct

Subtask #2
8.0 / 8.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	3168 KB	Output is correct
2	Correct	1 ms	3160 KB	Output is correct
3	Correct	1 ms	3164 KB	Output is correct
4	Correct	1 ms	3164 KB	Output is correct
5	Correct	1 ms	3164 KB	Output is correct
6	Correct	1 ms	3164 KB	Output is correct
7	Correct	3 ms	3164 KB	Output is correct
8	Correct	3 ms	3164 KB	Output is correct
9	Correct	2 ms	3164 KB	Output is correct
10	Correct	2 ms	3164 KB	Output is correct
11	Correct	3 ms	3164 KB	Output is correct
12	Correct	3 ms	3164 KB	Output is correct
13	Correct	2 ms	3164 KB	Output is correct
14	Correct	3 ms	3164 KB	Output is correct
15	Correct	3 ms	3164 KB	Output is correct
16	Correct	2 ms	3164 KB	Output is correct
17	Correct	2 ms	3160 KB	Output is correct
18	Correct	4 ms	3160 KB	Output is correct
19	Correct	2 ms	3164 KB	Output is correct
20	Correct	2 ms	3176 KB	Output is correct
21	Correct	2 ms	3160 KB	Output is correct
22	Correct	2 ms	3160 KB	Output is correct
23	Correct	2 ms	3164 KB	Output is correct
24	Correct	2 ms	3164 KB	Output is correct
25	Correct	2 ms	3164 KB	Output is correct
26	Correct	2 ms	3164 KB	Output is correct
27	Correct	2 ms	3160 KB	Output is correct
28	Correct	3 ms	3420 KB	Output is correct
29	Correct	84 ms	3236 KB	Output is correct
30	Correct	70 ms	3164 KB	Output is correct
31	Correct	53 ms	3164 KB	Output is correct
32	Correct	33 ms	3160 KB	Output is correct
33	Correct	21 ms	3160 KB	Output is correct
34	Correct	59 ms	3292 KB	Output is correct
35	Correct	78 ms	3276 KB	Output is correct
36	Correct	32 ms	3164 KB	Output is correct
37	Correct	91 ms	3164 KB	Output is correct
38	Correct	102 ms	3304 KB	Output is correct
39	Correct	78 ms	3280 KB	Output is correct
40	Correct	43 ms	3308 KB	Output is correct
41	Correct	40 ms	3164 KB	Output is correct
42	Correct	40 ms	3164 KB	Output is correct
43	Correct	19 ms	3164 KB	Output is correct
44	Correct	18 ms	3164 KB	Output is correct
45	Correct	20 ms	3292 KB	Output is correct
46	Correct	22 ms	3164 KB	Output is correct
47	Correct	45 ms	3160 KB	Output is correct
48	Correct	42 ms	3164 KB	Output is correct
49	Correct	53 ms	3292 KB	Output is correct
50	Correct	65 ms	3164 KB	Output is correct
51	Correct	48 ms	3160 KB	Output is correct
52	Correct	58 ms	3276 KB	Output is correct
53	Correct	57 ms	3268 KB	Output is correct
54	Correct	69 ms	3160 KB	Output is correct

Subtask #3
0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	3168 KB	Output is correct
2	Correct	1 ms	3160 KB	Output is correct
3	Execution timed out	2049 ms	13528 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	3168 KB	Output is correct
2	Correct	1 ms	3160 KB	Output is correct
3	Correct	1 ms	3164 KB	Output is correct
4	Correct	1 ms	3164 KB	Output is correct
5	Correct	1 ms	3164 KB	Output is correct
6	Correct	1 ms	3164 KB	Output is correct
7	Correct	3 ms	3164 KB	Output is correct
8	Correct	3 ms	3164 KB	Output is correct
9	Correct	2 ms	3164 KB	Output is correct
10	Correct	2 ms	3164 KB	Output is correct
11	Correct	3 ms	3164 KB	Output is correct
12	Correct	3 ms	3164 KB	Output is correct
13	Correct	2 ms	3164 KB	Output is correct
14	Correct	3 ms	3164 KB	Output is correct
15	Correct	3 ms	3164 KB	Output is correct
16	Correct	2 ms	3164 KB	Output is correct
17	Correct	2 ms	3160 KB	Output is correct
18	Correct	4 ms	3160 KB	Output is correct
19	Correct	2 ms	3164 KB	Output is correct
20	Correct	2 ms	3176 KB	Output is correct
21	Correct	2 ms	3160 KB	Output is correct
22	Correct	2 ms	3160 KB	Output is correct
23	Correct	2 ms	3164 KB	Output is correct
24	Correct	2 ms	3164 KB	Output is correct
25	Correct	2 ms	3164 KB	Output is correct
26	Correct	2 ms	3164 KB	Output is correct
27	Correct	2 ms	3160 KB	Output is correct
28	Correct	3 ms	3420 KB	Output is correct
29	Execution timed out	2049 ms	13528 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	3168 KB	Output is correct
2	Correct	1 ms	3160 KB	Output is correct
3	Correct	1 ms	3164 KB	Output is correct
4	Correct	1 ms	3164 KB	Output is correct
5	Correct	1 ms	3164 KB	Output is correct
6	Correct	1 ms	3164 KB	Output is correct
7	Correct	3 ms	3164 KB	Output is correct
8	Correct	3 ms	3164 KB	Output is correct
9	Correct	2 ms	3164 KB	Output is correct
10	Correct	2 ms	3164 KB	Output is correct
11	Correct	3 ms	3164 KB	Output is correct
12	Correct	3 ms	3164 KB	Output is correct
13	Correct	2 ms	3164 KB	Output is correct
14	Correct	3 ms	3164 KB	Output is correct
15	Correct	3 ms	3164 KB	Output is correct
16	Correct	2 ms	3164 KB	Output is correct
17	Correct	2 ms	3160 KB	Output is correct
18	Correct	4 ms	3160 KB	Output is correct
19	Correct	2 ms	3164 KB	Output is correct
20	Correct	2 ms	3176 KB	Output is correct
21	Correct	2 ms	3160 KB	Output is correct
22	Correct	2 ms	3160 KB	Output is correct
23	Correct	2 ms	3164 KB	Output is correct
24	Correct	2 ms	3164 KB	Output is correct
25	Correct	2 ms	3164 KB	Output is correct
26	Correct	2 ms	3164 KB	Output is correct
27	Correct	2 ms	3160 KB	Output is correct
28	Correct	3 ms	3420 KB	Output is correct
29	Correct	84 ms	3236 KB	Output is correct
30	Correct	70 ms	3164 KB	Output is correct
31	Correct	53 ms	3164 KB	Output is correct
32	Correct	33 ms	3160 KB	Output is correct
33	Correct	21 ms	3160 KB	Output is correct
34	Correct	59 ms	3292 KB	Output is correct
35	Correct	78 ms	3276 KB	Output is correct
36	Correct	32 ms	3164 KB	Output is correct
37	Correct	91 ms	3164 KB	Output is correct
38	Correct	102 ms	3304 KB	Output is correct
39	Correct	78 ms	3280 KB	Output is correct
40	Correct	43 ms	3308 KB	Output is correct
41	Correct	40 ms	3164 KB	Output is correct
42	Correct	40 ms	3164 KB	Output is correct
43	Correct	19 ms	3164 KB	Output is correct
44	Correct	18 ms	3164 KB	Output is correct
45	Correct	20 ms	3292 KB	Output is correct
46	Correct	22 ms	3164 KB	Output is correct
47	Correct	45 ms	3160 KB	Output is correct
48	Correct	42 ms	3164 KB	Output is correct
49	Correct	53 ms	3292 KB	Output is correct
50	Correct	65 ms	3164 KB	Output is correct
51	Correct	48 ms	3160 KB	Output is correct
52	Correct	58 ms	3276 KB	Output is correct
53	Correct	57 ms	3268 KB	Output is correct
54	Correct	69 ms	3160 KB	Output is correct
55	Execution timed out	2019 ms	15520 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	3168 KB	Output is correct
2	Correct	1 ms	3160 KB	Output is correct
3	Correct	1 ms	3164 KB	Output is correct
4	Correct	1 ms	3164 KB	Output is correct
5	Correct	1 ms	3164 KB	Output is correct
6	Correct	1 ms	3164 KB	Output is correct
7	Correct	3 ms	3164 KB	Output is correct
8	Correct	3 ms	3164 KB	Output is correct
9	Correct	2 ms	3164 KB	Output is correct
10	Correct	2 ms	3164 KB	Output is correct
11	Correct	3 ms	3164 KB	Output is correct
12	Correct	3 ms	3164 KB	Output is correct
13	Correct	2 ms	3164 KB	Output is correct
14	Correct	3 ms	3164 KB	Output is correct
15	Correct	3 ms	3164 KB	Output is correct
16	Correct	2 ms	3164 KB	Output is correct
17	Correct	2 ms	3160 KB	Output is correct
18	Correct	4 ms	3160 KB	Output is correct
19	Correct	2 ms	3164 KB	Output is correct
20	Correct	2 ms	3176 KB	Output is correct
21	Correct	2 ms	3160 KB	Output is correct
22	Correct	2 ms	3160 KB	Output is correct
23	Correct	2 ms	3164 KB	Output is correct
24	Correct	2 ms	3164 KB	Output is correct
25	Correct	2 ms	3164 KB	Output is correct
26	Correct	2 ms	3164 KB	Output is correct
27	Correct	2 ms	3160 KB	Output is correct
28	Correct	3 ms	3420 KB	Output is correct
29	Correct	84 ms	3236 KB	Output is correct
30	Correct	70 ms	3164 KB	Output is correct
31	Correct	53 ms	3164 KB	Output is correct
32	Correct	33 ms	3160 KB	Output is correct
33	Correct	21 ms	3160 KB	Output is correct
34	Correct	59 ms	3292 KB	Output is correct
35	Correct	78 ms	3276 KB	Output is correct
36	Correct	32 ms	3164 KB	Output is correct
37	Correct	91 ms	3164 KB	Output is correct
38	Correct	102 ms	3304 KB	Output is correct
39	Correct	78 ms	3280 KB	Output is correct
40	Correct	43 ms	3308 KB	Output is correct
41	Correct	40 ms	3164 KB	Output is correct
42	Correct	40 ms	3164 KB	Output is correct
43	Correct	19 ms	3164 KB	Output is correct
44	Correct	18 ms	3164 KB	Output is correct
45	Correct	20 ms	3292 KB	Output is correct
46	Correct	22 ms	3164 KB	Output is correct
47	Correct	45 ms	3160 KB	Output is correct
48	Correct	42 ms	3164 KB	Output is correct
49	Correct	53 ms	3292 KB	Output is correct
50	Correct	65 ms	3164 KB	Output is correct
51	Correct	48 ms	3160 KB	Output is correct
52	Correct	58 ms	3276 KB	Output is correct
53	Correct	57 ms	3268 KB	Output is correct
54	Correct	69 ms	3160 KB	Output is correct
55	Execution timed out	2049 ms	13528 KB	Time limit exceeded
56	Halted	0 ms	0 KB	-

Submission #914221

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