oj.uz

답안 #914223

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
914223 2024-01-21T11:34:55 Z Abito Joker (BOI20_joker) C++14
14 / 100
 2000 ms 15520 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=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]) 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 2 ms 3164 KB Output is correct
2 Correct 1 ms 3164 KB Output is correct
3 Correct 1 ms 3164 KB Output is correct
4 Correct 1 ms 3160 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 3160 KB Output is correct
9 Correct 3 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 4 ms 3160 KB Output is correct
13 Correct 3 ms 3164 KB Output is correct
14 Correct 2 ms 3164 KB Output is correct
15 Correct 2 ms 3164 KB Output is correct
16 Correct 3 ms 3412 KB Output is correct
17 Correct 3 ms 3164 KB Output is correct
18 Correct 2 ms 3164 KB Output is correct
19 Correct 2 ms 3164 KB Output is correct
20 Correct 3 ms 3160 KB Output is correct
21 Correct 2 ms 3164 KB Output is correct
22 Correct 2 ms 3164 KB Output is correct
23 Correct 3 ms 3164 KB Output is correct
24 Correct 3 ms 3164 KB Output is correct
25 Correct 3 ms 3164 KB Output is correct
26 Correct 2 ms 3164 KB Output is correct
27 Correct 3 ms 3164 KB Output is correct
28 Correct 3 ms 3164 KB Output is correct

Subtask #2
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 3164 KB Output is correct
2 Correct 1 ms 3164 KB Output is correct
3 Correct 1 ms 3164 KB Output is correct
4 Correct 1 ms 3160 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 3160 KB Output is correct
9 Correct 3 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 4 ms 3160 KB Output is correct
13 Correct 3 ms 3164 KB Output is correct
14 Correct 2 ms 3164 KB Output is correct
15 Correct 2 ms 3164 KB Output is correct
16 Correct 3 ms 3412 KB Output is correct
17 Correct 3 ms 3164 KB Output is correct
18 Correct 2 ms 3164 KB Output is correct
19 Correct 2 ms 3164 KB Output is correct
20 Correct 3 ms 3160 KB Output is correct
21 Correct 2 ms 3164 KB Output is correct
22 Correct 2 ms 3164 KB Output is correct
23 Correct 3 ms 3164 KB Output is correct
24 Correct 3 ms 3164 KB Output is correct
25 Correct 3 ms 3164 KB Output is correct
26 Correct 2 ms 3164 KB Output is correct
27 Correct 3 ms 3164 KB Output is correct
28 Correct 3 ms 3164 KB Output is correct
29 Correct 70 ms 3164 KB Output is correct
30 Correct 60 ms 3296 KB Output is correct
31 Correct 58 ms 3284 KB Output is correct
32 Correct 32 ms 3160 KB Output is correct
33 Correct 20 ms 3160 KB Output is correct
34 Correct 45 ms 3164 KB Output is correct
35 Correct 66 ms 3296 KB Output is correct
36 Correct 31 ms 3352 KB Output is correct
37 Correct 72 ms 3164 KB Output is correct
38 Correct 68 ms 3168 KB Output is correct
39 Correct 63 ms 3276 KB Output is correct
40 Correct 35 ms 3168 KB Output is correct
41 Correct 41 ms 3288 KB Output is correct
42 Correct 37 ms 3164 KB Output is correct
43 Correct 21 ms 3160 KB Output is correct
44 Correct 15 ms 3164 KB Output is correct
45 Correct 19 ms 3164 KB Output is correct
46 Correct 22 ms 3164 KB Output is correct
47 Correct 34 ms 3164 KB Output is correct
48 Correct 34 ms 3160 KB Output is correct
49 Correct 53 ms 3164 KB Output is correct
50 Correct 54 ms 3160 KB Output is correct
51 Correct 38 ms 3164 KB Output is correct
52 Correct 40 ms 3160 KB Output is correct
53 Correct 46 ms 3272 KB Output is correct
54 Correct 61 ms 3164 KB Output is correct

Subtask #3
0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 3164 KB Output is correct
2 Correct 1 ms 3164 KB Output is correct
3 Execution timed out 2053 ms 13396 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 3164 KB Output is correct
2 Correct 1 ms 3164 KB Output is correct
3 Correct 1 ms 3164 KB Output is correct
4 Correct 1 ms 3160 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 3160 KB Output is correct
9 Correct 3 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 4 ms 3160 KB Output is correct
13 Correct 3 ms 3164 KB Output is correct
14 Correct 2 ms 3164 KB Output is correct
15 Correct 2 ms 3164 KB Output is correct
16 Correct 3 ms 3412 KB Output is correct
17 Correct 3 ms 3164 KB Output is correct
18 Correct 2 ms 3164 KB Output is correct
19 Correct 2 ms 3164 KB Output is correct
20 Correct 3 ms 3160 KB Output is correct
21 Correct 2 ms 3164 KB Output is correct
22 Correct 2 ms 3164 KB Output is correct
23 Correct 3 ms 3164 KB Output is correct
24 Correct 3 ms 3164 KB Output is correct
25 Correct 3 ms 3164 KB Output is correct
26 Correct 2 ms 3164 KB Output is correct
27 Correct 3 ms 3164 KB Output is correct
28 Correct 3 ms 3164 KB Output is correct
29 Execution timed out 2053 ms 13396 KB Time limit exceeded
30 Halted 0 ms 0 KB -

Subtask #5
0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 3164 KB Output is correct
2 Correct 1 ms 3164 KB Output is correct
3 Correct 1 ms 3164 KB Output is correct
4 Correct 1 ms 3160 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 3160 KB Output is correct
9 Correct 3 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 4 ms 3160 KB Output is correct
13 Correct 3 ms 3164 KB Output is correct
14 Correct 2 ms 3164 KB Output is correct
15 Correct 2 ms 3164 KB Output is correct
16 Correct 3 ms 3412 KB Output is correct
17 Correct 3 ms 3164 KB Output is correct
18 Correct 2 ms 3164 KB Output is correct
19 Correct 2 ms 3164 KB Output is correct
20 Correct 3 ms 3160 KB Output is correct
21 Correct 2 ms 3164 KB Output is correct
22 Correct 2 ms 3164 KB Output is correct
23 Correct 3 ms 3164 KB Output is correct
24 Correct 3 ms 3164 KB Output is correct
25 Correct 3 ms 3164 KB Output is correct
26 Correct 2 ms 3164 KB Output is correct
27 Correct 3 ms 3164 KB Output is correct
28 Correct 3 ms 3164 KB Output is correct
29 Correct 70 ms 3164 KB Output is correct
30 Correct 60 ms 3296 KB Output is correct
31 Correct 58 ms 3284 KB Output is correct
32 Correct 32 ms 3160 KB Output is correct
33 Correct 20 ms 3160 KB Output is correct
34 Correct 45 ms 3164 KB Output is correct
35 Correct 66 ms 3296 KB Output is correct
36 Correct 31 ms 3352 KB Output is correct
37 Correct 72 ms 3164 KB Output is correct
38 Correct 68 ms 3168 KB Output is correct
39 Correct 63 ms 3276 KB Output is correct
40 Correct 35 ms 3168 KB Output is correct
41 Correct 41 ms 3288 KB Output is correct
42 Correct 37 ms 3164 KB Output is correct
43 Correct 21 ms 3160 KB Output is correct
44 Correct 15 ms 3164 KB Output is correct
45 Correct 19 ms 3164 KB Output is correct
46 Correct 22 ms 3164 KB Output is correct
47 Correct 34 ms 3164 KB Output is correct
48 Correct 34 ms 3160 KB Output is correct
49 Correct 53 ms 3164 KB Output is correct
50 Correct 54 ms 3160 KB Output is correct
51 Correct 38 ms 3164 KB Output is correct
52 Correct 40 ms 3160 KB Output is correct
53 Correct 46 ms 3272 KB Output is correct
54 Correct 61 ms 3164 KB Output is correct
55 Execution timed out 2033 ms 15520 KB Time limit exceeded
56 Halted 0 ms 0 KB -

Subtask #6
0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 3164 KB Output is correct
2 Correct 1 ms 3164 KB Output is correct
3 Correct 1 ms 3164 KB Output is correct
4 Correct 1 ms 3160 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 3160 KB Output is correct
9 Correct 3 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 4 ms 3160 KB Output is correct
13 Correct 3 ms 3164 KB Output is correct
14 Correct 2 ms 3164 KB Output is correct
15 Correct 2 ms 3164 KB Output is correct
16 Correct 3 ms 3412 KB Output is correct
17 Correct 3 ms 3164 KB Output is correct
18 Correct 2 ms 3164 KB Output is correct
19 Correct 2 ms 3164 KB Output is correct
20 Correct 3 ms 3160 KB Output is correct
21 Correct 2 ms 3164 KB Output is correct
22 Correct 2 ms 3164 KB Output is correct
23 Correct 3 ms 3164 KB Output is correct
24 Correct 3 ms 3164 KB Output is correct
25 Correct 3 ms 3164 KB Output is correct
26 Correct 2 ms 3164 KB Output is correct
27 Correct 3 ms 3164 KB Output is correct
28 Correct 3 ms 3164 KB Output is correct
29 Correct 70 ms 3164 KB Output is correct
30 Correct 60 ms 3296 KB Output is correct
31 Correct 58 ms 3284 KB Output is correct
32 Correct 32 ms 3160 KB Output is correct
33 Correct 20 ms 3160 KB Output is correct
34 Correct 45 ms 3164 KB Output is correct
35 Correct 66 ms 3296 KB Output is correct
36 Correct 31 ms 3352 KB Output is correct
37 Correct 72 ms 3164 KB Output is correct
38 Correct 68 ms 3168 KB Output is correct
39 Correct 63 ms 3276 KB Output is correct
40 Correct 35 ms 3168 KB Output is correct
41 Correct 41 ms 3288 KB Output is correct
42 Correct 37 ms 3164 KB Output is correct
43 Correct 21 ms 3160 KB Output is correct
44 Correct 15 ms 3164 KB Output is correct
45 Correct 19 ms 3164 KB Output is correct
46 Correct 22 ms 3164 KB Output is correct
47 Correct 34 ms 3164 KB Output is correct
48 Correct 34 ms 3160 KB Output is correct
49 Correct 53 ms 3164 KB Output is correct
50 Correct 54 ms 3160 KB Output is correct
51 Correct 38 ms 3164 KB Output is correct
52 Correct 40 ms 3160 KB Output is correct
53 Correct 46 ms 3272 KB Output is correct
54 Correct 61 ms 3164 KB Output is correct
55 Execution timed out 2053 ms 13396 KB Time limit exceeded
56 Halted 0 ms 0 KB -