답안 #914268

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
914268 2024-01-21T13:35:04 Z Abito Joker (BOI20_joker) C++14
14 / 100
2000 ms 13776 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,l,r,qq,vis[N];
vector<pair<int,int>> adj[N];
bool cyc,tin[N],t;
void dfs(int x,int p){
    t=!t;
    vis[x]=qq;
    tin[x]=t;
    for (auto u:adj[x]){
        if ((u.S>=l && u.S<=r) || u.F==p) continue;
        if (vis[u.F]==qq) cyc|=!(tin[u.F]^tin[x]);
        else dfs(u.F,x);
        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,0);
            if (cyc) break;
        }
        if (cyc) cout<<"YES"<<endl;
        else cout<<"NO"<<endl;
    }
    return 0;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2652 KB Output is correct
2 Correct 1 ms 2652 KB Output is correct
3 Correct 1 ms 2736 KB Output is correct
4 Correct 1 ms 2652 KB Output is correct
5 Correct 1 ms 2652 KB Output is correct
6 Correct 1 ms 2648 KB Output is correct
7 Correct 1 ms 2904 KB Output is correct
8 Correct 1 ms 2652 KB Output is correct
9 Correct 2 ms 2652 KB Output is correct
10 Correct 1 ms 2652 KB Output is correct
11 Correct 2 ms 2804 KB Output is correct
12 Correct 1 ms 2652 KB Output is correct
13 Correct 2 ms 2652 KB Output is correct
14 Correct 1 ms 2652 KB Output is correct
15 Correct 2 ms 2648 KB Output is correct
16 Correct 2 ms 2652 KB Output is correct
17 Correct 1 ms 2652 KB Output is correct
18 Correct 2 ms 2648 KB Output is correct
19 Correct 1 ms 2652 KB Output is correct
20 Correct 2 ms 2652 KB Output is correct
21 Correct 1 ms 2652 KB Output is correct
22 Correct 1 ms 2652 KB Output is correct
23 Correct 1 ms 2648 KB Output is correct
24 Correct 1 ms 2652 KB Output is correct
25 Correct 1 ms 2652 KB Output is correct
26 Correct 1 ms 2652 KB Output is correct
27 Correct 1 ms 2652 KB Output is correct
28 Correct 1 ms 2652 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2652 KB Output is correct
2 Correct 1 ms 2652 KB Output is correct
3 Correct 1 ms 2736 KB Output is correct
4 Correct 1 ms 2652 KB Output is correct
5 Correct 1 ms 2652 KB Output is correct
6 Correct 1 ms 2648 KB Output is correct
7 Correct 1 ms 2904 KB Output is correct
8 Correct 1 ms 2652 KB Output is correct
9 Correct 2 ms 2652 KB Output is correct
10 Correct 1 ms 2652 KB Output is correct
11 Correct 2 ms 2804 KB Output is correct
12 Correct 1 ms 2652 KB Output is correct
13 Correct 2 ms 2652 KB Output is correct
14 Correct 1 ms 2652 KB Output is correct
15 Correct 2 ms 2648 KB Output is correct
16 Correct 2 ms 2652 KB Output is correct
17 Correct 1 ms 2652 KB Output is correct
18 Correct 2 ms 2648 KB Output is correct
19 Correct 1 ms 2652 KB Output is correct
20 Correct 2 ms 2652 KB Output is correct
21 Correct 1 ms 2652 KB Output is correct
22 Correct 1 ms 2652 KB Output is correct
23 Correct 1 ms 2648 KB Output is correct
24 Correct 1 ms 2652 KB Output is correct
25 Correct 1 ms 2652 KB Output is correct
26 Correct 1 ms 2652 KB Output is correct
27 Correct 1 ms 2652 KB Output is correct
28 Correct 1 ms 2652 KB Output is correct
29 Correct 58 ms 2652 KB Output is correct
30 Correct 40 ms 2896 KB Output is correct
31 Correct 30 ms 2652 KB Output is correct
32 Correct 17 ms 2652 KB Output is correct
33 Correct 6 ms 2904 KB Output is correct
34 Correct 28 ms 2900 KB Output is correct
35 Correct 47 ms 2896 KB Output is correct
36 Correct 14 ms 2952 KB Output is correct
37 Correct 57 ms 2928 KB Output is correct
38 Correct 61 ms 2908 KB Output is correct
39 Correct 38 ms 2908 KB Output is correct
40 Correct 23 ms 2908 KB Output is correct
41 Correct 17 ms 2908 KB Output is correct
42 Correct 18 ms 2652 KB Output is correct
43 Correct 5 ms 2904 KB Output is correct
44 Correct 4 ms 2884 KB Output is correct
45 Correct 6 ms 2652 KB Output is correct
46 Correct 9 ms 2900 KB Output is correct
47 Correct 18 ms 2900 KB Output is correct
48 Correct 20 ms 2652 KB Output is correct
49 Correct 28 ms 2908 KB Output is correct
50 Correct 34 ms 2652 KB Output is correct
51 Correct 21 ms 2908 KB Output is correct
52 Correct 26 ms 2908 KB Output is correct
53 Correct 32 ms 2904 KB Output is correct
54 Correct 50 ms 2904 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2652 KB Output is correct
2 Correct 1 ms 2652 KB Output is correct
3 Execution timed out 2040 ms 12156 KB Time limit exceeded
4 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2652 KB Output is correct
2 Correct 1 ms 2652 KB Output is correct
3 Correct 1 ms 2736 KB Output is correct
4 Correct 1 ms 2652 KB Output is correct
5 Correct 1 ms 2652 KB Output is correct
6 Correct 1 ms 2648 KB Output is correct
7 Correct 1 ms 2904 KB Output is correct
8 Correct 1 ms 2652 KB Output is correct
9 Correct 2 ms 2652 KB Output is correct
10 Correct 1 ms 2652 KB Output is correct
11 Correct 2 ms 2804 KB Output is correct
12 Correct 1 ms 2652 KB Output is correct
13 Correct 2 ms 2652 KB Output is correct
14 Correct 1 ms 2652 KB Output is correct
15 Correct 2 ms 2648 KB Output is correct
16 Correct 2 ms 2652 KB Output is correct
17 Correct 1 ms 2652 KB Output is correct
18 Correct 2 ms 2648 KB Output is correct
19 Correct 1 ms 2652 KB Output is correct
20 Correct 2 ms 2652 KB Output is correct
21 Correct 1 ms 2652 KB Output is correct
22 Correct 1 ms 2652 KB Output is correct
23 Correct 1 ms 2648 KB Output is correct
24 Correct 1 ms 2652 KB Output is correct
25 Correct 1 ms 2652 KB Output is correct
26 Correct 1 ms 2652 KB Output is correct
27 Correct 1 ms 2652 KB Output is correct
28 Correct 1 ms 2652 KB Output is correct
29 Execution timed out 2040 ms 12156 KB Time limit exceeded
30 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2652 KB Output is correct
2 Correct 1 ms 2652 KB Output is correct
3 Correct 1 ms 2736 KB Output is correct
4 Correct 1 ms 2652 KB Output is correct
5 Correct 1 ms 2652 KB Output is correct
6 Correct 1 ms 2648 KB Output is correct
7 Correct 1 ms 2904 KB Output is correct
8 Correct 1 ms 2652 KB Output is correct
9 Correct 2 ms 2652 KB Output is correct
10 Correct 1 ms 2652 KB Output is correct
11 Correct 2 ms 2804 KB Output is correct
12 Correct 1 ms 2652 KB Output is correct
13 Correct 2 ms 2652 KB Output is correct
14 Correct 1 ms 2652 KB Output is correct
15 Correct 2 ms 2648 KB Output is correct
16 Correct 2 ms 2652 KB Output is correct
17 Correct 1 ms 2652 KB Output is correct
18 Correct 2 ms 2648 KB Output is correct
19 Correct 1 ms 2652 KB Output is correct
20 Correct 2 ms 2652 KB Output is correct
21 Correct 1 ms 2652 KB Output is correct
22 Correct 1 ms 2652 KB Output is correct
23 Correct 1 ms 2648 KB Output is correct
24 Correct 1 ms 2652 KB Output is correct
25 Correct 1 ms 2652 KB Output is correct
26 Correct 1 ms 2652 KB Output is correct
27 Correct 1 ms 2652 KB Output is correct
28 Correct 1 ms 2652 KB Output is correct
29 Correct 58 ms 2652 KB Output is correct
30 Correct 40 ms 2896 KB Output is correct
31 Correct 30 ms 2652 KB Output is correct
32 Correct 17 ms 2652 KB Output is correct
33 Correct 6 ms 2904 KB Output is correct
34 Correct 28 ms 2900 KB Output is correct
35 Correct 47 ms 2896 KB Output is correct
36 Correct 14 ms 2952 KB Output is correct
37 Correct 57 ms 2928 KB Output is correct
38 Correct 61 ms 2908 KB Output is correct
39 Correct 38 ms 2908 KB Output is correct
40 Correct 23 ms 2908 KB Output is correct
41 Correct 17 ms 2908 KB Output is correct
42 Correct 18 ms 2652 KB Output is correct
43 Correct 5 ms 2904 KB Output is correct
44 Correct 4 ms 2884 KB Output is correct
45 Correct 6 ms 2652 KB Output is correct
46 Correct 9 ms 2900 KB Output is correct
47 Correct 18 ms 2900 KB Output is correct
48 Correct 20 ms 2652 KB Output is correct
49 Correct 28 ms 2908 KB Output is correct
50 Correct 34 ms 2652 KB Output is correct
51 Correct 21 ms 2908 KB Output is correct
52 Correct 26 ms 2908 KB Output is correct
53 Correct 32 ms 2904 KB Output is correct
54 Correct 50 ms 2904 KB Output is correct
55 Execution timed out 2065 ms 13776 KB Time limit exceeded
56 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2652 KB Output is correct
2 Correct 1 ms 2652 KB Output is correct
3 Correct 1 ms 2736 KB Output is correct
4 Correct 1 ms 2652 KB Output is correct
5 Correct 1 ms 2652 KB Output is correct
6 Correct 1 ms 2648 KB Output is correct
7 Correct 1 ms 2904 KB Output is correct
8 Correct 1 ms 2652 KB Output is correct
9 Correct 2 ms 2652 KB Output is correct
10 Correct 1 ms 2652 KB Output is correct
11 Correct 2 ms 2804 KB Output is correct
12 Correct 1 ms 2652 KB Output is correct
13 Correct 2 ms 2652 KB Output is correct
14 Correct 1 ms 2652 KB Output is correct
15 Correct 2 ms 2648 KB Output is correct
16 Correct 2 ms 2652 KB Output is correct
17 Correct 1 ms 2652 KB Output is correct
18 Correct 2 ms 2648 KB Output is correct
19 Correct 1 ms 2652 KB Output is correct
20 Correct 2 ms 2652 KB Output is correct
21 Correct 1 ms 2652 KB Output is correct
22 Correct 1 ms 2652 KB Output is correct
23 Correct 1 ms 2648 KB Output is correct
24 Correct 1 ms 2652 KB Output is correct
25 Correct 1 ms 2652 KB Output is correct
26 Correct 1 ms 2652 KB Output is correct
27 Correct 1 ms 2652 KB Output is correct
28 Correct 1 ms 2652 KB Output is correct
29 Correct 58 ms 2652 KB Output is correct
30 Correct 40 ms 2896 KB Output is correct
31 Correct 30 ms 2652 KB Output is correct
32 Correct 17 ms 2652 KB Output is correct
33 Correct 6 ms 2904 KB Output is correct
34 Correct 28 ms 2900 KB Output is correct
35 Correct 47 ms 2896 KB Output is correct
36 Correct 14 ms 2952 KB Output is correct
37 Correct 57 ms 2928 KB Output is correct
38 Correct 61 ms 2908 KB Output is correct
39 Correct 38 ms 2908 KB Output is correct
40 Correct 23 ms 2908 KB Output is correct
41 Correct 17 ms 2908 KB Output is correct
42 Correct 18 ms 2652 KB Output is correct
43 Correct 5 ms 2904 KB Output is correct
44 Correct 4 ms 2884 KB Output is correct
45 Correct 6 ms 2652 KB Output is correct
46 Correct 9 ms 2900 KB Output is correct
47 Correct 18 ms 2900 KB Output is correct
48 Correct 20 ms 2652 KB Output is correct
49 Correct 28 ms 2908 KB Output is correct
50 Correct 34 ms 2652 KB Output is correct
51 Correct 21 ms 2908 KB Output is correct
52 Correct 26 ms 2908 KB Output is correct
53 Correct 32 ms 2904 KB Output is correct
54 Correct 50 ms 2904 KB Output is correct
55 Execution timed out 2040 ms 12156 KB Time limit exceeded
56 Halted 0 ms 0 KB -