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Submission #914388

# Submission time Handle Problem Language Result Execution time Memory
914388 2024-01-21T21:13:52 Z Abito Joker (BOI20_joker) C++17
14 / 100
 2000 ms 14932 KB 
#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,l,r,qq,vis[N];
vector<pair<int,int>> adj[N];
bool cyc,tin[N],t;
void dfs(int x){
    t=!t;
    vis[x]=qq;
    tin[x]=t;
    for (auto u:adj[x]){
        if (u.S>=l && u.S<=r) continue;
        if (vis[u.F]==qq) cyc|=!(tin[u.F]^tin[x]);
        else dfs(u.F);
        if (cyc) break;
    }t=!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;
        qq++;
        cyc=0;
        for (int i=1;i<=n;i++){
            if (vis[i]==qq) continue;
            dfs(i);
            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 4960 KB Output is correct
2 Correct 2 ms 4956 KB Output is correct
3 Correct 2 ms 4956 KB Output is correct
4 Correct 2 ms 4956 KB Output is correct
5 Correct 1 ms 4956 KB Output is correct
6 Correct 2 ms 4956 KB Output is correct
7 Correct 2 ms 4956 KB Output is correct
8 Correct 2 ms 4956 KB Output is correct
9 Correct 2 ms 4952 KB Output is correct
10 Correct 2 ms 4952 KB Output is correct
11 Correct 2 ms 4952 KB Output is correct
12 Correct 2 ms 4956 KB Output is correct
13 Correct 2 ms 4956 KB Output is correct
14 Correct 2 ms 4956 KB Output is correct
15 Correct 2 ms 4956 KB Output is correct
16 Correct 3 ms 4952 KB Output is correct
17 Correct 2 ms 4956 KB Output is correct
18 Correct 2 ms 4956 KB Output is correct
19 Correct 2 ms 4956 KB Output is correct
20 Correct 2 ms 5104 KB Output is correct
21 Correct 2 ms 4956 KB Output is correct
22 Correct 2 ms 4956 KB Output is correct
23 Correct 2 ms 4952 KB Output is correct
24 Correct 2 ms 4956 KB Output is correct
25 Correct 1 ms 4956 KB Output is correct
26 Correct 2 ms 4956 KB Output is correct
27 Correct 2 ms 4956 KB Output is correct
28 Correct 2 ms 4956 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4960 KB Output is correct
2 Correct 2 ms 4956 KB Output is correct
3 Correct 2 ms 4956 KB Output is correct
4 Correct 2 ms 4956 KB Output is correct
5 Correct 1 ms 4956 KB Output is correct
6 Correct 2 ms 4956 KB Output is correct
7 Correct 2 ms 4956 KB Output is correct
8 Correct 2 ms 4956 KB Output is correct
9 Correct 2 ms 4952 KB Output is correct
10 Correct 2 ms 4952 KB Output is correct
11 Correct 2 ms 4952 KB Output is correct
12 Correct 2 ms 4956 KB Output is correct
13 Correct 2 ms 4956 KB Output is correct
14 Correct 2 ms 4956 KB Output is correct
15 Correct 2 ms 4956 KB Output is correct
16 Correct 3 ms 4952 KB Output is correct
17 Correct 2 ms 4956 KB Output is correct
18 Correct 2 ms 4956 KB Output is correct
19 Correct 2 ms 4956 KB Output is correct
20 Correct 2 ms 5104 KB Output is correct
21 Correct 2 ms 4956 KB Output is correct
22 Correct 2 ms 4956 KB Output is correct
23 Correct 2 ms 4952 KB Output is correct
24 Correct 2 ms 4956 KB Output is correct
25 Correct 1 ms 4956 KB Output is correct
26 Correct 2 ms 4956 KB Output is correct
27 Correct 2 ms 4956 KB Output is correct
28 Correct 2 ms 4956 KB Output is correct
29 Correct 59 ms 5212 KB Output is correct
30 Correct 42 ms 5212 KB Output is correct
31 Correct 32 ms 5208 KB Output is correct
32 Correct 16 ms 5212 KB Output is correct
33 Correct 7 ms 5212 KB Output is correct
34 Correct 30 ms 5212 KB Output is correct
35 Correct 47 ms 5212 KB Output is correct
36 Correct 14 ms 5212 KB Output is correct
37 Correct 49 ms 5364 KB Output is correct
38 Correct 50 ms 5212 KB Output is correct
39 Correct 40 ms 5208 KB Output is correct
40 Correct 18 ms 5208 KB Output is correct
41 Correct 18 ms 5212 KB Output is correct
42 Correct 17 ms 5212 KB Output is correct
43 Correct 6 ms 5212 KB Output is correct
44 Correct 5 ms 5208 KB Output is correct
45 Correct 7 ms 5212 KB Output is correct
46 Correct 10 ms 5212 KB Output is correct
47 Correct 18 ms 5208 KB Output is correct
48 Correct 25 ms 5212 KB Output is correct
49 Correct 29 ms 5212 KB Output is correct
50 Correct 37 ms 5244 KB Output is correct
51 Correct 21 ms 5212 KB Output is correct
52 Correct 24 ms 5212 KB Output is correct
53 Correct 32 ms 5212 KB Output is correct
54 Correct 44 ms 5208 KB Output is correct

Subtask #3
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4960 KB Output is correct
2 Correct 2 ms 4956 KB Output is correct
3 Execution timed out 2029 ms 13560 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 4960 KB Output is correct
2 Correct 2 ms 4956 KB Output is correct
3 Correct 2 ms 4956 KB Output is correct
4 Correct 2 ms 4956 KB Output is correct
5 Correct 1 ms 4956 KB Output is correct
6 Correct 2 ms 4956 KB Output is correct
7 Correct 2 ms 4956 KB Output is correct
8 Correct 2 ms 4956 KB Output is correct
9 Correct 2 ms 4952 KB Output is correct
10 Correct 2 ms 4952 KB Output is correct
11 Correct 2 ms 4952 KB Output is correct
12 Correct 2 ms 4956 KB Output is correct
13 Correct 2 ms 4956 KB Output is correct
14 Correct 2 ms 4956 KB Output is correct
15 Correct 2 ms 4956 KB Output is correct
16 Correct 3 ms 4952 KB Output is correct
17 Correct 2 ms 4956 KB Output is correct
18 Correct 2 ms 4956 KB Output is correct
19 Correct 2 ms 4956 KB Output is correct
20 Correct 2 ms 5104 KB Output is correct
21 Correct 2 ms 4956 KB Output is correct
22 Correct 2 ms 4956 KB Output is correct
23 Correct 2 ms 4952 KB Output is correct
24 Correct 2 ms 4956 KB Output is correct
25 Correct 1 ms 4956 KB Output is correct
26 Correct 2 ms 4956 KB Output is correct
27 Correct 2 ms 4956 KB Output is correct
28 Correct 2 ms 4956 KB Output is correct
29 Execution timed out 2029 ms 13560 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 4960 KB Output is correct
2 Correct 2 ms 4956 KB Output is correct
3 Correct 2 ms 4956 KB Output is correct
4 Correct 2 ms 4956 KB Output is correct
5 Correct 1 ms 4956 KB Output is correct
6 Correct 2 ms 4956 KB Output is correct
7 Correct 2 ms 4956 KB Output is correct
8 Correct 2 ms 4956 KB Output is correct
9 Correct 2 ms 4952 KB Output is correct
10 Correct 2 ms 4952 KB Output is correct
11 Correct 2 ms 4952 KB Output is correct
12 Correct 2 ms 4956 KB Output is correct
13 Correct 2 ms 4956 KB Output is correct
14 Correct 2 ms 4956 KB Output is correct
15 Correct 2 ms 4956 KB Output is correct
16 Correct 3 ms 4952 KB Output is correct
17 Correct 2 ms 4956 KB Output is correct
18 Correct 2 ms 4956 KB Output is correct
19 Correct 2 ms 4956 KB Output is correct
20 Correct 2 ms 5104 KB Output is correct
21 Correct 2 ms 4956 KB Output is correct
22 Correct 2 ms 4956 KB Output is correct
23 Correct 2 ms 4952 KB Output is correct
24 Correct 2 ms 4956 KB Output is correct
25 Correct 1 ms 4956 KB Output is correct
26 Correct 2 ms 4956 KB Output is correct
27 Correct 2 ms 4956 KB Output is correct
28 Correct 2 ms 4956 KB Output is correct
29 Correct 59 ms 5212 KB Output is correct
30 Correct 42 ms 5212 KB Output is correct
31 Correct 32 ms 5208 KB Output is correct
32 Correct 16 ms 5212 KB Output is correct
33 Correct 7 ms 5212 KB Output is correct
34 Correct 30 ms 5212 KB Output is correct
35 Correct 47 ms 5212 KB Output is correct
36 Correct 14 ms 5212 KB Output is correct
37 Correct 49 ms 5364 KB Output is correct
38 Correct 50 ms 5212 KB Output is correct
39 Correct 40 ms 5208 KB Output is correct
40 Correct 18 ms 5208 KB Output is correct
41 Correct 18 ms 5212 KB Output is correct
42 Correct 17 ms 5212 KB Output is correct
43 Correct 6 ms 5212 KB Output is correct
44 Correct 5 ms 5208 KB Output is correct
45 Correct 7 ms 5212 KB Output is correct
46 Correct 10 ms 5212 KB Output is correct
47 Correct 18 ms 5208 KB Output is correct
48 Correct 25 ms 5212 KB Output is correct
49 Correct 29 ms 5212 KB Output is correct
50 Correct 37 ms 5244 KB Output is correct
51 Correct 21 ms 5212 KB Output is correct
52 Correct 24 ms 5212 KB Output is correct
53 Correct 32 ms 5212 KB Output is correct
54 Correct 44 ms 5208 KB Output is correct
55 Execution timed out 2023 ms 14932 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 4960 KB Output is correct
2 Correct 2 ms 4956 KB Output is correct
3 Correct 2 ms 4956 KB Output is correct
4 Correct 2 ms 4956 KB Output is correct
5 Correct 1 ms 4956 KB Output is correct
6 Correct 2 ms 4956 KB Output is correct
7 Correct 2 ms 4956 KB Output is correct
8 Correct 2 ms 4956 KB Output is correct
9 Correct 2 ms 4952 KB Output is correct
10 Correct 2 ms 4952 KB Output is correct
11 Correct 2 ms 4952 KB Output is correct
12 Correct 2 ms 4956 KB Output is correct
13 Correct 2 ms 4956 KB Output is correct
14 Correct 2 ms 4956 KB Output is correct
15 Correct 2 ms 4956 KB Output is correct
16 Correct 3 ms 4952 KB Output is correct
17 Correct 2 ms 4956 KB Output is correct
18 Correct 2 ms 4956 KB Output is correct
19 Correct 2 ms 4956 KB Output is correct
20 Correct 2 ms 5104 KB Output is correct
21 Correct 2 ms 4956 KB Output is correct
22 Correct 2 ms 4956 KB Output is correct
23 Correct 2 ms 4952 KB Output is correct
24 Correct 2 ms 4956 KB Output is correct
25 Correct 1 ms 4956 KB Output is correct
26 Correct 2 ms 4956 KB Output is correct
27 Correct 2 ms 4956 KB Output is correct
28 Correct 2 ms 4956 KB Output is correct
29 Correct 59 ms 5212 KB Output is correct
30 Correct 42 ms 5212 KB Output is correct
31 Correct 32 ms 5208 KB Output is correct
32 Correct 16 ms 5212 KB Output is correct
33 Correct 7 ms 5212 KB Output is correct
34 Correct 30 ms 5212 KB Output is correct
35 Correct 47 ms 5212 KB Output is correct
36 Correct 14 ms 5212 KB Output is correct
37 Correct 49 ms 5364 KB Output is correct
38 Correct 50 ms 5212 KB Output is correct
39 Correct 40 ms 5208 KB Output is correct
40 Correct 18 ms 5208 KB Output is correct
41 Correct 18 ms 5212 KB Output is correct
42 Correct 17 ms 5212 KB Output is correct
43 Correct 6 ms 5212 KB Output is correct
44 Correct 5 ms 5208 KB Output is correct
45 Correct 7 ms 5212 KB Output is correct
46 Correct 10 ms 5212 KB Output is correct
47 Correct 18 ms 5208 KB Output is correct
48 Correct 25 ms 5212 KB Output is correct
49 Correct 29 ms 5212 KB Output is correct
50 Correct 37 ms 5244 KB Output is correct
51 Correct 21 ms 5212 KB Output is correct
52 Correct 24 ms 5212 KB Output is correct
53 Correct 32 ms 5212 KB Output is correct
54 Correct 44 ms 5208 KB Output is correct
55 Execution timed out 2029 ms 13560 KB Time limit exceeded
56 Halted 0 ms 0 KB -