Submission #1096337

# Submission time Handle Problem Language Result Execution time Memory
1096337 2024-10-04T10:04:08 Z laure Joker (BOI20_joker) C++14
14 / 100
40 ms 676 KB
#include<bits/stdc++.h>
#define int long long
using namespace std;
int n,m,q,l,r;
bool b;
vector<pair<int,int>>adj[2005];
bool vis[2005];
int d[2005];
void dfs(int node,int par,int de)
{
    if(b)return;
    d[node]=de;
    vis[node]=1;
    for(auto u:adj[node])
    {
        if(u.second>=l&&u.second<=r)continue;
        if(u.first==par)continue;
        if(vis[u.first]&&(de-d[u.first])%2==0){b=1;break;}
        if(!vis[u.first])
        {
            dfs(u.first,node,de+1);
        }
    }
}
signed main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    cin>>n>>m>>q;
    for(int i=1;i<=m;i++)
    {
       int a,b;
       cin>>a>>b;
       adj[a].push_back({b,i});
       adj[b].push_back({a,i});
    }
    while(q--)
    {
        b=0;
        memset(vis,0,sizeof(vis));
        memset(d,0,sizeof(d));
        cin>>l>>r;
        for(int i=1;i<n;i++)
        {
            if(!vis[i])dfs(i,i,1);
            if(b)break;
        }
        if(b)cout<<"YES"<<'\n';
        else cout<<"NO"<<'\n';
    }
}

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 1 ms 508 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 508 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 412 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 536 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 1 ms 508 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 508 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 412 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 536 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 36 ms 604 KB Output is correct
30 Correct 32 ms 660 KB Output is correct
31 Correct 25 ms 600 KB Output is correct
32 Correct 14 ms 604 KB Output is correct
33 Correct 8 ms 604 KB Output is correct
34 Correct 22 ms 604 KB Output is correct
35 Correct 36 ms 676 KB Output is correct
36 Correct 12 ms 604 KB Output is correct
37 Correct 39 ms 600 KB Output is correct
38 Correct 40 ms 600 KB Output is correct
39 Correct 33 ms 600 KB Output is correct
40 Correct 17 ms 604 KB Output is correct
41 Correct 16 ms 604 KB Output is correct
42 Correct 15 ms 604 KB Output is correct
43 Correct 10 ms 604 KB Output is correct
44 Correct 6 ms 604 KB Output is correct
45 Correct 8 ms 640 KB Output is correct
46 Correct 10 ms 604 KB Output is correct
47 Correct 16 ms 604 KB Output is correct
48 Correct 16 ms 604 KB Output is correct
49 Correct 21 ms 676 KB Output is correct
50 Correct 25 ms 600 KB Output is correct
51 Correct 21 ms 604 KB Output is correct
52 Correct 21 ms 604 KB Output is correct
53 Correct 26 ms 600 KB Output is correct
54 Correct 34 ms 604 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Runtime error 0 ms 604 KB Execution killed with signal 11
4 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 1 ms 508 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 508 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 412 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 536 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Runtime error 0 ms 604 KB Execution killed with signal 11
30 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 1 ms 508 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 508 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 412 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 536 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 36 ms 604 KB Output is correct
30 Correct 32 ms 660 KB Output is correct
31 Correct 25 ms 600 KB Output is correct
32 Correct 14 ms 604 KB Output is correct
33 Correct 8 ms 604 KB Output is correct
34 Correct 22 ms 604 KB Output is correct
35 Correct 36 ms 676 KB Output is correct
36 Correct 12 ms 604 KB Output is correct
37 Correct 39 ms 600 KB Output is correct
38 Correct 40 ms 600 KB Output is correct
39 Correct 33 ms 600 KB Output is correct
40 Correct 17 ms 604 KB Output is correct
41 Correct 16 ms 604 KB Output is correct
42 Correct 15 ms 604 KB Output is correct
43 Correct 10 ms 604 KB Output is correct
44 Correct 6 ms 604 KB Output is correct
45 Correct 8 ms 640 KB Output is correct
46 Correct 10 ms 604 KB Output is correct
47 Correct 16 ms 604 KB Output is correct
48 Correct 16 ms 604 KB Output is correct
49 Correct 21 ms 676 KB Output is correct
50 Correct 25 ms 600 KB Output is correct
51 Correct 21 ms 604 KB Output is correct
52 Correct 21 ms 604 KB Output is correct
53 Correct 26 ms 600 KB Output is correct
54 Correct 34 ms 604 KB Output is correct
55 Runtime error 1 ms 604 KB Execution killed with signal 11
56 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 1 ms 508 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 508 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 412 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 536 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 36 ms 604 KB Output is correct
30 Correct 32 ms 660 KB Output is correct
31 Correct 25 ms 600 KB Output is correct
32 Correct 14 ms 604 KB Output is correct
33 Correct 8 ms 604 KB Output is correct
34 Correct 22 ms 604 KB Output is correct
35 Correct 36 ms 676 KB Output is correct
36 Correct 12 ms 604 KB Output is correct
37 Correct 39 ms 600 KB Output is correct
38 Correct 40 ms 600 KB Output is correct
39 Correct 33 ms 600 KB Output is correct
40 Correct 17 ms 604 KB Output is correct
41 Correct 16 ms 604 KB Output is correct
42 Correct 15 ms 604 KB Output is correct
43 Correct 10 ms 604 KB Output is correct
44 Correct 6 ms 604 KB Output is correct
45 Correct 8 ms 640 KB Output is correct
46 Correct 10 ms 604 KB Output is correct
47 Correct 16 ms 604 KB Output is correct
48 Correct 16 ms 604 KB Output is correct
49 Correct 21 ms 676 KB Output is correct
50 Correct 25 ms 600 KB Output is correct
51 Correct 21 ms 604 KB Output is correct
52 Correct 21 ms 604 KB Output is correct
53 Correct 26 ms 600 KB Output is correct
54 Correct 34 ms 604 KB Output is correct
55 Runtime error 0 ms 604 KB Execution killed with signal 11
56 Halted 0 ms 0 KB -