답안 #914259

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
914259	2024-01-21T13:07:50 Z	Abito	Joker (BOI20_joker)	C++14	14 / 100	2000 ms	17396 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,tin[N],t,l,r;
vector<pair<int,int>> adj[N];
bool cyc,vis[N];
void dfs(int x,int p){
    vis[x]=1;
    tin[x]=++t;
    for (auto u:adj[x]){
        if (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--;
    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]) continue;
            dfs(i,0);
            if (cyc) break;
        }
        if (cyc) cout<<"YES"<<endl;
        else cout<<"NO"<<endl;
    }
    return 0;
}

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2652 KB	Output is correct
2	Correct	1 ms	2908 KB	Output is correct
3	Correct	1 ms	2908 KB	Output is correct
4	Correct	1 ms	2816 KB	Output is correct
5	Correct	1 ms	2908 KB	Output is correct
6	Correct	1 ms	2912 KB	Output is correct
7	Correct	2 ms	2908 KB	Output is correct
8	Correct	2 ms	2908 KB	Output is correct
9	Correct	1 ms	2904 KB	Output is correct
10	Correct	2 ms	2904 KB	Output is correct
11	Correct	2 ms	2908 KB	Output is correct
12	Correct	2 ms	2908 KB	Output is correct
13	Correct	2 ms	2916 KB	Output is correct
14	Correct	2 ms	2908 KB	Output is correct
15	Correct	2 ms	2908 KB	Output is correct
16	Correct	2 ms	2812 KB	Output is correct
17	Correct	1 ms	2712 KB	Output is correct
18	Correct	2 ms	2912 KB	Output is correct
19	Correct	2 ms	2908 KB	Output is correct
20	Correct	1 ms	2908 KB	Output is correct
21	Correct	1 ms	2908 KB	Output is correct
22	Correct	1 ms	2908 KB	Output is correct
23	Correct	2 ms	2904 KB	Output is correct
24	Correct	2 ms	2908 KB	Output is correct
25	Correct	2 ms	2904 KB	Output is correct
26	Correct	1 ms	2904 KB	Output is correct
27	Correct	1 ms	2812 KB	Output is correct
28	Correct	1 ms	2820 KB	Output is correct

Subtask #2
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2652 KB	Output is correct
2	Correct	1 ms	2908 KB	Output is correct
3	Correct	1 ms	2908 KB	Output is correct
4	Correct	1 ms	2816 KB	Output is correct
5	Correct	1 ms	2908 KB	Output is correct
6	Correct	1 ms	2912 KB	Output is correct
7	Correct	2 ms	2908 KB	Output is correct
8	Correct	2 ms	2908 KB	Output is correct
9	Correct	1 ms	2904 KB	Output is correct
10	Correct	2 ms	2904 KB	Output is correct
11	Correct	2 ms	2908 KB	Output is correct
12	Correct	2 ms	2908 KB	Output is correct
13	Correct	2 ms	2916 KB	Output is correct
14	Correct	2 ms	2908 KB	Output is correct
15	Correct	2 ms	2908 KB	Output is correct
16	Correct	2 ms	2812 KB	Output is correct
17	Correct	1 ms	2712 KB	Output is correct
18	Correct	2 ms	2912 KB	Output is correct
19	Correct	2 ms	2908 KB	Output is correct
20	Correct	1 ms	2908 KB	Output is correct
21	Correct	1 ms	2908 KB	Output is correct
22	Correct	1 ms	2908 KB	Output is correct
23	Correct	2 ms	2904 KB	Output is correct
24	Correct	2 ms	2908 KB	Output is correct
25	Correct	2 ms	2904 KB	Output is correct
26	Correct	1 ms	2904 KB	Output is correct
27	Correct	1 ms	2812 KB	Output is correct
28	Correct	1 ms	2820 KB	Output is correct
29	Correct	56 ms	2908 KB	Output is correct
30	Correct	41 ms	2904 KB	Output is correct
31	Correct	31 ms	3036 KB	Output is correct
32	Correct	16 ms	2904 KB	Output is correct
33	Correct	8 ms	2908 KB	Output is correct
34	Correct	29 ms	2904 KB	Output is correct
35	Correct	46 ms	2908 KB	Output is correct
36	Correct	15 ms	2908 KB	Output is correct
37	Correct	51 ms	2904 KB	Output is correct
38	Correct	50 ms	2908 KB	Output is correct
39	Correct	42 ms	3008 KB	Output is correct
40	Correct	18 ms	2908 KB	Output is correct
41	Correct	18 ms	2908 KB	Output is correct
42	Correct	18 ms	2908 KB	Output is correct
43	Correct	7 ms	2828 KB	Output is correct
44	Correct	6 ms	2904 KB	Output is correct
45	Correct	9 ms	2908 KB	Output is correct
46	Correct	12 ms	2904 KB	Output is correct
47	Correct	19 ms	2904 KB	Output is correct
48	Correct	22 ms	2908 KB	Output is correct
49	Correct	29 ms	2824 KB	Output is correct
50	Correct	40 ms	3008 KB	Output is correct
51	Correct	21 ms	2904 KB	Output is correct
52	Correct	24 ms	2908 KB	Output is correct
53	Correct	31 ms	3040 KB	Output is correct
54	Correct	44 ms	2908 KB	Output is correct

Subtask #3
0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2652 KB	Output is correct
2	Correct	1 ms	2908 KB	Output is correct
3	Execution timed out	2063 ms	15876 KB	Time limit exceeded
4	Halted	0 ms	0 KB	-

Subtask #4
0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2652 KB	Output is correct
2	Correct	1 ms	2908 KB	Output is correct
3	Correct	1 ms	2908 KB	Output is correct
4	Correct	1 ms	2816 KB	Output is correct
5	Correct	1 ms	2908 KB	Output is correct
6	Correct	1 ms	2912 KB	Output is correct
7	Correct	2 ms	2908 KB	Output is correct
8	Correct	2 ms	2908 KB	Output is correct
9	Correct	1 ms	2904 KB	Output is correct
10	Correct	2 ms	2904 KB	Output is correct
11	Correct	2 ms	2908 KB	Output is correct
12	Correct	2 ms	2908 KB	Output is correct
13	Correct	2 ms	2916 KB	Output is correct
14	Correct	2 ms	2908 KB	Output is correct
15	Correct	2 ms	2908 KB	Output is correct
16	Correct	2 ms	2812 KB	Output is correct
17	Correct	1 ms	2712 KB	Output is correct
18	Correct	2 ms	2912 KB	Output is correct
19	Correct	2 ms	2908 KB	Output is correct
20	Correct	1 ms	2908 KB	Output is correct
21	Correct	1 ms	2908 KB	Output is correct
22	Correct	1 ms	2908 KB	Output is correct
23	Correct	2 ms	2904 KB	Output is correct
24	Correct	2 ms	2908 KB	Output is correct
25	Correct	2 ms	2904 KB	Output is correct
26	Correct	1 ms	2904 KB	Output is correct
27	Correct	1 ms	2812 KB	Output is correct
28	Correct	1 ms	2820 KB	Output is correct
29	Execution timed out	2063 ms	15876 KB	Time limit exceeded
30	Halted	0 ms	0 KB	-

Subtask #5
0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2652 KB	Output is correct
2	Correct	1 ms	2908 KB	Output is correct
3	Correct	1 ms	2908 KB	Output is correct
4	Correct	1 ms	2816 KB	Output is correct
5	Correct	1 ms	2908 KB	Output is correct
6	Correct	1 ms	2912 KB	Output is correct
7	Correct	2 ms	2908 KB	Output is correct
8	Correct	2 ms	2908 KB	Output is correct
9	Correct	1 ms	2904 KB	Output is correct
10	Correct	2 ms	2904 KB	Output is correct
11	Correct	2 ms	2908 KB	Output is correct
12	Correct	2 ms	2908 KB	Output is correct
13	Correct	2 ms	2916 KB	Output is correct
14	Correct	2 ms	2908 KB	Output is correct
15	Correct	2 ms	2908 KB	Output is correct
16	Correct	2 ms	2812 KB	Output is correct
17	Correct	1 ms	2712 KB	Output is correct
18	Correct	2 ms	2912 KB	Output is correct
19	Correct	2 ms	2908 KB	Output is correct
20	Correct	1 ms	2908 KB	Output is correct
21	Correct	1 ms	2908 KB	Output is correct
22	Correct	1 ms	2908 KB	Output is correct
23	Correct	2 ms	2904 KB	Output is correct
24	Correct	2 ms	2908 KB	Output is correct
25	Correct	2 ms	2904 KB	Output is correct
26	Correct	1 ms	2904 KB	Output is correct
27	Correct	1 ms	2812 KB	Output is correct
28	Correct	1 ms	2820 KB	Output is correct
29	Correct	56 ms	2908 KB	Output is correct
30	Correct	41 ms	2904 KB	Output is correct
31	Correct	31 ms	3036 KB	Output is correct
32	Correct	16 ms	2904 KB	Output is correct
33	Correct	8 ms	2908 KB	Output is correct
34	Correct	29 ms	2904 KB	Output is correct
35	Correct	46 ms	2908 KB	Output is correct
36	Correct	15 ms	2908 KB	Output is correct
37	Correct	51 ms	2904 KB	Output is correct
38	Correct	50 ms	2908 KB	Output is correct
39	Correct	42 ms	3008 KB	Output is correct
40	Correct	18 ms	2908 KB	Output is correct
41	Correct	18 ms	2908 KB	Output is correct
42	Correct	18 ms	2908 KB	Output is correct
43	Correct	7 ms	2828 KB	Output is correct
44	Correct	6 ms	2904 KB	Output is correct
45	Correct	9 ms	2908 KB	Output is correct
46	Correct	12 ms	2904 KB	Output is correct
47	Correct	19 ms	2904 KB	Output is correct
48	Correct	22 ms	2908 KB	Output is correct
49	Correct	29 ms	2824 KB	Output is correct
50	Correct	40 ms	3008 KB	Output is correct
51	Correct	21 ms	2904 KB	Output is correct
52	Correct	24 ms	2908 KB	Output is correct
53	Correct	31 ms	3040 KB	Output is correct
54	Correct	44 ms	2908 KB	Output is correct
55	Execution timed out	2021 ms	17396 KB	Time limit exceeded
56	Halted	0 ms	0 KB	-

Subtask #6
0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2652 KB	Output is correct
2	Correct	1 ms	2908 KB	Output is correct
3	Correct	1 ms	2908 KB	Output is correct
4	Correct	1 ms	2816 KB	Output is correct
5	Correct	1 ms	2908 KB	Output is correct
6	Correct	1 ms	2912 KB	Output is correct
7	Correct	2 ms	2908 KB	Output is correct
8	Correct	2 ms	2908 KB	Output is correct
9	Correct	1 ms	2904 KB	Output is correct
10	Correct	2 ms	2904 KB	Output is correct
11	Correct	2 ms	2908 KB	Output is correct
12	Correct	2 ms	2908 KB	Output is correct
13	Correct	2 ms	2916 KB	Output is correct
14	Correct	2 ms	2908 KB	Output is correct
15	Correct	2 ms	2908 KB	Output is correct
16	Correct	2 ms	2812 KB	Output is correct
17	Correct	1 ms	2712 KB	Output is correct
18	Correct	2 ms	2912 KB	Output is correct
19	Correct	2 ms	2908 KB	Output is correct
20	Correct	1 ms	2908 KB	Output is correct
21	Correct	1 ms	2908 KB	Output is correct
22	Correct	1 ms	2908 KB	Output is correct
23	Correct	2 ms	2904 KB	Output is correct
24	Correct	2 ms	2908 KB	Output is correct
25	Correct	2 ms	2904 KB	Output is correct
26	Correct	1 ms	2904 KB	Output is correct
27	Correct	1 ms	2812 KB	Output is correct
28	Correct	1 ms	2820 KB	Output is correct
29	Correct	56 ms	2908 KB	Output is correct
30	Correct	41 ms	2904 KB	Output is correct
31	Correct	31 ms	3036 KB	Output is correct
32	Correct	16 ms	2904 KB	Output is correct
33	Correct	8 ms	2908 KB	Output is correct
34	Correct	29 ms	2904 KB	Output is correct
35	Correct	46 ms	2908 KB	Output is correct
36	Correct	15 ms	2908 KB	Output is correct
37	Correct	51 ms	2904 KB	Output is correct
38	Correct	50 ms	2908 KB	Output is correct
39	Correct	42 ms	3008 KB	Output is correct
40	Correct	18 ms	2908 KB	Output is correct
41	Correct	18 ms	2908 KB	Output is correct
42	Correct	18 ms	2908 KB	Output is correct
43	Correct	7 ms	2828 KB	Output is correct
44	Correct	6 ms	2904 KB	Output is correct
45	Correct	9 ms	2908 KB	Output is correct
46	Correct	12 ms	2904 KB	Output is correct
47	Correct	19 ms	2904 KB	Output is correct
48	Correct	22 ms	2908 KB	Output is correct
49	Correct	29 ms	2824 KB	Output is correct
50	Correct	40 ms	3008 KB	Output is correct
51	Correct	21 ms	2904 KB	Output is correct
52	Correct	24 ms	2908 KB	Output is correct
53	Correct	31 ms	3040 KB	Output is correct
54	Correct	44 ms	2908 KB	Output is correct
55	Execution timed out	2063 ms	15876 KB	Time limit exceeded
56	Halted	0 ms	0 KB	-

답안 #914259

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