답안 #256076

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
256076	2020-08-02T09:31:55 Z	최은수(#5029)	Joker (BOI20_joker)	C++17	14 / 100	2000 ms	10204 KB

Joker

#include<iostream>
#include<vector>
#include<algorithm>
#define ep emplace
#define eb emplace_back
#define fi first
#define se second
#define all(x) (x).begin(),(x).end()
using namespace std;
typedef long long ll;
typedef pair<int,int>pi;
typedef pair<ll,ll>pl;
const int inf=1e9+7;
const ll INF=1e18+7;
vector<pi>adj[200010];
int lo,hi;
int par[200010];
bool ok;
int top;
int stk[200010];
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    int n,m,q;
    cin>>n>>m>>q;
    for(int i=0;i++<m;)
    {
        int u,v;
        cin>>u>>v;
        adj[u].eb(v,i);
        adj[v].eb(u,i);
    }
    for(int i=0;i<q;i++)
    {
        cin>>lo>>hi;
        fill(par,par+n+1,0);
        ok=1;
        for(int i=0;i++<n;)
        {
            if(par[i]==0)
            {
                stk[top=1]=i;
                par[i]=1;
                while(top>0)
                {
                    int x=stk[top--];
                    for(pi&t:adj[x])
                    {
                        if(lo<=t.se&&t.se<=hi)
                            continue;
                        if(par[t.fi]==0)
                            par[t.fi]=par[x]^3,stk[++top]=t.fi;
                        else if(par[t.fi]==par[x])
                        {
                            ok=0;
                            break;
                        }
                    }
                    if(!ok)
                        break;
                }
                if(!ok)
                    break;
            }
        }
        cout<<(ok?"NO":"YES")<<'\n';
    }
    cout.flush();
    return 0;
}

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	4992 KB	Output is correct
2	Correct	3 ms	4992 KB	Output is correct
3	Correct	3 ms	4992 KB	Output is correct
4	Correct	4 ms	4992 KB	Output is correct
5	Correct	4 ms	4992 KB	Output is correct
6	Correct	3 ms	4992 KB	Output is correct
7	Correct	4 ms	4992 KB	Output is correct
8	Correct	4 ms	4992 KB	Output is correct
9	Correct	4 ms	4992 KB	Output is correct
10	Correct	4 ms	4992 KB	Output is correct
11	Correct	4 ms	4992 KB	Output is correct
12	Correct	4 ms	4992 KB	Output is correct
13	Correct	4 ms	4992 KB	Output is correct
14	Correct	4 ms	4992 KB	Output is correct
15	Correct	4 ms	4992 KB	Output is correct
16	Correct	4 ms	4992 KB	Output is correct
17	Correct	4 ms	4992 KB	Output is correct
18	Correct	4 ms	4992 KB	Output is correct
19	Correct	3 ms	4992 KB	Output is correct
20	Correct	4 ms	4992 KB	Output is correct
21	Correct	4 ms	4992 KB	Output is correct
22	Correct	4 ms	4992 KB	Output is correct
23	Correct	4 ms	4992 KB	Output is correct
24	Correct	4 ms	4992 KB	Output is correct
25	Correct	3 ms	4992 KB	Output is correct
26	Correct	5 ms	4992 KB	Output is correct
27	Correct	3 ms	4992 KB	Output is correct
28	Correct	3 ms	4992 KB	Output is correct

Subtask #2
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	4992 KB	Output is correct
2	Correct	3 ms	4992 KB	Output is correct
3	Correct	3 ms	4992 KB	Output is correct
4	Correct	4 ms	4992 KB	Output is correct
5	Correct	4 ms	4992 KB	Output is correct
6	Correct	3 ms	4992 KB	Output is correct
7	Correct	4 ms	4992 KB	Output is correct
8	Correct	4 ms	4992 KB	Output is correct
9	Correct	4 ms	4992 KB	Output is correct
10	Correct	4 ms	4992 KB	Output is correct
11	Correct	4 ms	4992 KB	Output is correct
12	Correct	4 ms	4992 KB	Output is correct
13	Correct	4 ms	4992 KB	Output is correct
14	Correct	4 ms	4992 KB	Output is correct
15	Correct	4 ms	4992 KB	Output is correct
16	Correct	4 ms	4992 KB	Output is correct
17	Correct	4 ms	4992 KB	Output is correct
18	Correct	4 ms	4992 KB	Output is correct
19	Correct	3 ms	4992 KB	Output is correct
20	Correct	4 ms	4992 KB	Output is correct
21	Correct	4 ms	4992 KB	Output is correct
22	Correct	4 ms	4992 KB	Output is correct
23	Correct	4 ms	4992 KB	Output is correct
24	Correct	4 ms	4992 KB	Output is correct
25	Correct	3 ms	4992 KB	Output is correct
26	Correct	5 ms	4992 KB	Output is correct
27	Correct	3 ms	4992 KB	Output is correct
28	Correct	3 ms	4992 KB	Output is correct
29	Correct	86 ms	5240 KB	Output is correct
30	Correct	58 ms	5120 KB	Output is correct
31	Correct	43 ms	5120 KB	Output is correct
32	Correct	24 ms	5120 KB	Output is correct
33	Correct	12 ms	5120 KB	Output is correct
34	Correct	45 ms	5180 KB	Output is correct
35	Correct	65 ms	5120 KB	Output is correct
36	Correct	20 ms	5120 KB	Output is correct
37	Correct	74 ms	5120 KB	Output is correct
38	Correct	81 ms	5120 KB	Output is correct
39	Correct	56 ms	5172 KB	Output is correct
40	Correct	26 ms	5120 KB	Output is correct
41	Correct	25 ms	5120 KB	Output is correct
42	Correct	26 ms	5120 KB	Output is correct
43	Correct	7 ms	5120 KB	Output is correct
44	Correct	7 ms	5120 KB	Output is correct
45	Correct	14 ms	5120 KB	Output is correct
46	Correct	16 ms	5120 KB	Output is correct
47	Correct	28 ms	5120 KB	Output is correct
48	Correct	32 ms	5248 KB	Output is correct
49	Correct	42 ms	5120 KB	Output is correct
50	Correct	50 ms	5120 KB	Output is correct
51	Correct	28 ms	5120 KB	Output is correct
52	Correct	34 ms	5164 KB	Output is correct
53	Correct	44 ms	5120 KB	Output is correct
54	Correct	60 ms	5172 KB	Output is correct

Subtask #3
0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	4992 KB	Output is correct
2	Correct	3 ms	4992 KB	Output is correct
3	Execution timed out	2090 ms	10104 KB	Time limit exceeded
4	Halted	0 ms	0 KB	-

Subtask #4
0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	4992 KB	Output is correct
2	Correct	3 ms	4992 KB	Output is correct
3	Correct	3 ms	4992 KB	Output is correct
4	Correct	4 ms	4992 KB	Output is correct
5	Correct	4 ms	4992 KB	Output is correct
6	Correct	3 ms	4992 KB	Output is correct
7	Correct	4 ms	4992 KB	Output is correct
8	Correct	4 ms	4992 KB	Output is correct
9	Correct	4 ms	4992 KB	Output is correct
10	Correct	4 ms	4992 KB	Output is correct
11	Correct	4 ms	4992 KB	Output is correct
12	Correct	4 ms	4992 KB	Output is correct
13	Correct	4 ms	4992 KB	Output is correct
14	Correct	4 ms	4992 KB	Output is correct
15	Correct	4 ms	4992 KB	Output is correct
16	Correct	4 ms	4992 KB	Output is correct
17	Correct	4 ms	4992 KB	Output is correct
18	Correct	4 ms	4992 KB	Output is correct
19	Correct	3 ms	4992 KB	Output is correct
20	Correct	4 ms	4992 KB	Output is correct
21	Correct	4 ms	4992 KB	Output is correct
22	Correct	4 ms	4992 KB	Output is correct
23	Correct	4 ms	4992 KB	Output is correct
24	Correct	4 ms	4992 KB	Output is correct
25	Correct	3 ms	4992 KB	Output is correct
26	Correct	5 ms	4992 KB	Output is correct
27	Correct	3 ms	4992 KB	Output is correct
28	Correct	3 ms	4992 KB	Output is correct
29	Execution timed out	2090 ms	10104 KB	Time limit exceeded
30	Halted	0 ms	0 KB	-

Subtask #5
0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	4992 KB	Output is correct
2	Correct	3 ms	4992 KB	Output is correct
3	Correct	3 ms	4992 KB	Output is correct
4	Correct	4 ms	4992 KB	Output is correct
5	Correct	4 ms	4992 KB	Output is correct
6	Correct	3 ms	4992 KB	Output is correct
7	Correct	4 ms	4992 KB	Output is correct
8	Correct	4 ms	4992 KB	Output is correct
9	Correct	4 ms	4992 KB	Output is correct
10	Correct	4 ms	4992 KB	Output is correct
11	Correct	4 ms	4992 KB	Output is correct
12	Correct	4 ms	4992 KB	Output is correct
13	Correct	4 ms	4992 KB	Output is correct
14	Correct	4 ms	4992 KB	Output is correct
15	Correct	4 ms	4992 KB	Output is correct
16	Correct	4 ms	4992 KB	Output is correct
17	Correct	4 ms	4992 KB	Output is correct
18	Correct	4 ms	4992 KB	Output is correct
19	Correct	3 ms	4992 KB	Output is correct
20	Correct	4 ms	4992 KB	Output is correct
21	Correct	4 ms	4992 KB	Output is correct
22	Correct	4 ms	4992 KB	Output is correct
23	Correct	4 ms	4992 KB	Output is correct
24	Correct	4 ms	4992 KB	Output is correct
25	Correct	3 ms	4992 KB	Output is correct
26	Correct	5 ms	4992 KB	Output is correct
27	Correct	3 ms	4992 KB	Output is correct
28	Correct	3 ms	4992 KB	Output is correct
29	Correct	86 ms	5240 KB	Output is correct
30	Correct	58 ms	5120 KB	Output is correct
31	Correct	43 ms	5120 KB	Output is correct
32	Correct	24 ms	5120 KB	Output is correct
33	Correct	12 ms	5120 KB	Output is correct
34	Correct	45 ms	5180 KB	Output is correct
35	Correct	65 ms	5120 KB	Output is correct
36	Correct	20 ms	5120 KB	Output is correct
37	Correct	74 ms	5120 KB	Output is correct
38	Correct	81 ms	5120 KB	Output is correct
39	Correct	56 ms	5172 KB	Output is correct
40	Correct	26 ms	5120 KB	Output is correct
41	Correct	25 ms	5120 KB	Output is correct
42	Correct	26 ms	5120 KB	Output is correct
43	Correct	7 ms	5120 KB	Output is correct
44	Correct	7 ms	5120 KB	Output is correct
45	Correct	14 ms	5120 KB	Output is correct
46	Correct	16 ms	5120 KB	Output is correct
47	Correct	28 ms	5120 KB	Output is correct
48	Correct	32 ms	5248 KB	Output is correct
49	Correct	42 ms	5120 KB	Output is correct
50	Correct	50 ms	5120 KB	Output is correct
51	Correct	28 ms	5120 KB	Output is correct
52	Correct	34 ms	5164 KB	Output is correct
53	Correct	44 ms	5120 KB	Output is correct
54	Correct	60 ms	5172 KB	Output is correct
55	Execution timed out	2070 ms	10204 KB	Time limit exceeded
56	Halted	0 ms	0 KB	-

Subtask #6
0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	4992 KB	Output is correct
2	Correct	3 ms	4992 KB	Output is correct
3	Correct	3 ms	4992 KB	Output is correct
4	Correct	4 ms	4992 KB	Output is correct
5	Correct	4 ms	4992 KB	Output is correct
6	Correct	3 ms	4992 KB	Output is correct
7	Correct	4 ms	4992 KB	Output is correct
8	Correct	4 ms	4992 KB	Output is correct
9	Correct	4 ms	4992 KB	Output is correct
10	Correct	4 ms	4992 KB	Output is correct
11	Correct	4 ms	4992 KB	Output is correct
12	Correct	4 ms	4992 KB	Output is correct
13	Correct	4 ms	4992 KB	Output is correct
14	Correct	4 ms	4992 KB	Output is correct
15	Correct	4 ms	4992 KB	Output is correct
16	Correct	4 ms	4992 KB	Output is correct
17	Correct	4 ms	4992 KB	Output is correct
18	Correct	4 ms	4992 KB	Output is correct
19	Correct	3 ms	4992 KB	Output is correct
20	Correct	4 ms	4992 KB	Output is correct
21	Correct	4 ms	4992 KB	Output is correct
22	Correct	4 ms	4992 KB	Output is correct
23	Correct	4 ms	4992 KB	Output is correct
24	Correct	4 ms	4992 KB	Output is correct
25	Correct	3 ms	4992 KB	Output is correct
26	Correct	5 ms	4992 KB	Output is correct
27	Correct	3 ms	4992 KB	Output is correct
28	Correct	3 ms	4992 KB	Output is correct
29	Correct	86 ms	5240 KB	Output is correct
30	Correct	58 ms	5120 KB	Output is correct
31	Correct	43 ms	5120 KB	Output is correct
32	Correct	24 ms	5120 KB	Output is correct
33	Correct	12 ms	5120 KB	Output is correct
34	Correct	45 ms	5180 KB	Output is correct
35	Correct	65 ms	5120 KB	Output is correct
36	Correct	20 ms	5120 KB	Output is correct
37	Correct	74 ms	5120 KB	Output is correct
38	Correct	81 ms	5120 KB	Output is correct
39	Correct	56 ms	5172 KB	Output is correct
40	Correct	26 ms	5120 KB	Output is correct
41	Correct	25 ms	5120 KB	Output is correct
42	Correct	26 ms	5120 KB	Output is correct
43	Correct	7 ms	5120 KB	Output is correct
44	Correct	7 ms	5120 KB	Output is correct
45	Correct	14 ms	5120 KB	Output is correct
46	Correct	16 ms	5120 KB	Output is correct
47	Correct	28 ms	5120 KB	Output is correct
48	Correct	32 ms	5248 KB	Output is correct
49	Correct	42 ms	5120 KB	Output is correct
50	Correct	50 ms	5120 KB	Output is correct
51	Correct	28 ms	5120 KB	Output is correct
52	Correct	34 ms	5164 KB	Output is correct
53	Correct	44 ms	5120 KB	Output is correct
54	Correct	60 ms	5172 KB	Output is correct
55	Execution timed out	2090 ms	10104 KB	Time limit exceeded
56	Halted	0 ms	0 KB	-

답안 #256076

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