답안 #931405

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
931405	2024-02-21T18:12:00 Z	qwusha	Joker (BOI20_joker)	C++17	14 / 100	2000 ms	16032 KB

Joker

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define fi first
#define se second
typedef long double ld;
const ll inf = 1e9;
const ld eps = 1e-8;
const ll logs = 32;
#include <cmath>
bool ch = 0;
vector<vector<pair<int, int>>> g;
vector<bool> ok;
vector<int> col;

void dfs(int v, int c = 0) {
    col[v] = c;
    for (auto [u, ind] : g[v]) {
        if (!ok[ind]) {
            continue;
        }
        if (col[u] == -1)
            dfs(u, 1 - c);
        else if (col[u] == col[v])
            ch = 1;
    }
}


signed main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    int n, m, q;
    cin >> n >> m >> q;
    g.resize(n);
    ok.resize(m, 1);
    col.resize(n);
    for (int i = 0; i < m; i++) {
        int v, u;
        cin >> v >> u;
        g[v - 1].push_back({u - 1, i});
        g[u - 1].push_back({v - 1, i});
    }
    for (int qw = 0; qw < q; qw++) {
        int l, r;
        cin >> l >> r;
        for (int i = 0; i < m; i++) {
            if (l - 1 <= i && i < r)
                ok[i] = 0;
            else
                ok[i] = 1;
        }
        for (int i = 0; i < n; i++) {
            col[i] = -1;
        }
        bool check = 0;
        for (int i = 0; i < n; i++) {
            if (col[i] == -1) {
                ch = 0;
                dfs(i);
                if (ch)
                    check = 1;
            }
        }
        if (check) {
            cout << "YES" << '\n';
        } else {
            cout << "NO" << '\n';
        }
    }
}

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	344 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	456 KB	Output is correct
8	Correct	1 ms	348 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	1 ms	348 KB	Output is correct
11	Correct	2 ms	460 KB	Output is correct
12	Correct	2 ms	604 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	1 ms	476 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	1 ms	344 KB	Output is correct
18	Correct	1 ms	464 KB	Output is correct
19	Correct	1 ms	344 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	1 ms	348 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	344 KB	Output is correct
27	Correct	1 ms	348 KB	Output is correct
28	Correct	1 ms	348 KB	Output is correct

Subtask #2
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	344 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	456 KB	Output is correct
8	Correct	1 ms	348 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	1 ms	348 KB	Output is correct
11	Correct	2 ms	460 KB	Output is correct
12	Correct	2 ms	604 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	1 ms	476 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	1 ms	344 KB	Output is correct
18	Correct	1 ms	464 KB	Output is correct
19	Correct	1 ms	344 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	1 ms	348 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	344 KB	Output is correct
27	Correct	1 ms	348 KB	Output is correct
28	Correct	1 ms	348 KB	Output is correct
29	Correct	49 ms	572 KB	Output is correct
30	Correct	109 ms	600 KB	Output is correct
31	Correct	105 ms	600 KB	Output is correct
32	Correct	88 ms	604 KB	Output is correct
33	Correct	72 ms	604 KB	Output is correct
34	Correct	113 ms	632 KB	Output is correct
35	Correct	120 ms	604 KB	Output is correct
36	Correct	36 ms	604 KB	Output is correct
37	Correct	67 ms	604 KB	Output is correct
38	Correct	53 ms	632 KB	Output is correct
39	Correct	78 ms	620 KB	Output is correct
40	Correct	75 ms	604 KB	Output is correct
41	Correct	81 ms	600 KB	Output is correct
42	Correct	76 ms	600 KB	Output is correct
43	Correct	61 ms	344 KB	Output is correct
44	Correct	76 ms	624 KB	Output is correct
45	Correct	89 ms	892 KB	Output is correct
46	Correct	98 ms	888 KB	Output is correct
47	Correct	74 ms	348 KB	Output is correct
48	Correct	82 ms	600 KB	Output is correct
49	Correct	94 ms	600 KB	Output is correct
50	Correct	112 ms	848 KB	Output is correct
51	Correct	76 ms	600 KB	Output is correct
52	Correct	87 ms	604 KB	Output is correct
53	Correct	99 ms	616 KB	Output is correct
54	Correct	116 ms	628 KB	Output is correct

Subtask #3
0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	344 KB	Output is correct
3	Execution timed out	2078 ms	14572 KB	Time limit exceeded
4	Halted	0 ms	0 KB	-

Subtask #4
0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	344 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	456 KB	Output is correct
8	Correct	1 ms	348 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	1 ms	348 KB	Output is correct
11	Correct	2 ms	460 KB	Output is correct
12	Correct	2 ms	604 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	1 ms	476 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	1 ms	344 KB	Output is correct
18	Correct	1 ms	464 KB	Output is correct
19	Correct	1 ms	344 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	1 ms	348 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	344 KB	Output is correct
27	Correct	1 ms	348 KB	Output is correct
28	Correct	1 ms	348 KB	Output is correct
29	Execution timed out	2078 ms	14572 KB	Time limit exceeded
30	Halted	0 ms	0 KB	-

Subtask #5
0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	344 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	456 KB	Output is correct
8	Correct	1 ms	348 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	1 ms	348 KB	Output is correct
11	Correct	2 ms	460 KB	Output is correct
12	Correct	2 ms	604 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	1 ms	476 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	1 ms	344 KB	Output is correct
18	Correct	1 ms	464 KB	Output is correct
19	Correct	1 ms	344 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	1 ms	348 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	344 KB	Output is correct
27	Correct	1 ms	348 KB	Output is correct
28	Correct	1 ms	348 KB	Output is correct
29	Correct	49 ms	572 KB	Output is correct
30	Correct	109 ms	600 KB	Output is correct
31	Correct	105 ms	600 KB	Output is correct
32	Correct	88 ms	604 KB	Output is correct
33	Correct	72 ms	604 KB	Output is correct
34	Correct	113 ms	632 KB	Output is correct
35	Correct	120 ms	604 KB	Output is correct
36	Correct	36 ms	604 KB	Output is correct
37	Correct	67 ms	604 KB	Output is correct
38	Correct	53 ms	632 KB	Output is correct
39	Correct	78 ms	620 KB	Output is correct
40	Correct	75 ms	604 KB	Output is correct
41	Correct	81 ms	600 KB	Output is correct
42	Correct	76 ms	600 KB	Output is correct
43	Correct	61 ms	344 KB	Output is correct
44	Correct	76 ms	624 KB	Output is correct
45	Correct	89 ms	892 KB	Output is correct
46	Correct	98 ms	888 KB	Output is correct
47	Correct	74 ms	348 KB	Output is correct
48	Correct	82 ms	600 KB	Output is correct
49	Correct	94 ms	600 KB	Output is correct
50	Correct	112 ms	848 KB	Output is correct
51	Correct	76 ms	600 KB	Output is correct
52	Correct	87 ms	604 KB	Output is correct
53	Correct	99 ms	616 KB	Output is correct
54	Correct	116 ms	628 KB	Output is correct
55	Execution timed out	2093 ms	16032 KB	Time limit exceeded
56	Halted	0 ms	0 KB	-

Subtask #6
0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	344 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	456 KB	Output is correct
8	Correct	1 ms	348 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	1 ms	348 KB	Output is correct
11	Correct	2 ms	460 KB	Output is correct
12	Correct	2 ms	604 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	1 ms	476 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	1 ms	344 KB	Output is correct
18	Correct	1 ms	464 KB	Output is correct
19	Correct	1 ms	344 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	1 ms	348 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	344 KB	Output is correct
27	Correct	1 ms	348 KB	Output is correct
28	Correct	1 ms	348 KB	Output is correct
29	Correct	49 ms	572 KB	Output is correct
30	Correct	109 ms	600 KB	Output is correct
31	Correct	105 ms	600 KB	Output is correct
32	Correct	88 ms	604 KB	Output is correct
33	Correct	72 ms	604 KB	Output is correct
34	Correct	113 ms	632 KB	Output is correct
35	Correct	120 ms	604 KB	Output is correct
36	Correct	36 ms	604 KB	Output is correct
37	Correct	67 ms	604 KB	Output is correct
38	Correct	53 ms	632 KB	Output is correct
39	Correct	78 ms	620 KB	Output is correct
40	Correct	75 ms	604 KB	Output is correct
41	Correct	81 ms	600 KB	Output is correct
42	Correct	76 ms	600 KB	Output is correct
43	Correct	61 ms	344 KB	Output is correct
44	Correct	76 ms	624 KB	Output is correct
45	Correct	89 ms	892 KB	Output is correct
46	Correct	98 ms	888 KB	Output is correct
47	Correct	74 ms	348 KB	Output is correct
48	Correct	82 ms	600 KB	Output is correct
49	Correct	94 ms	600 KB	Output is correct
50	Correct	112 ms	848 KB	Output is correct
51	Correct	76 ms	600 KB	Output is correct
52	Correct	87 ms	604 KB	Output is correct
53	Correct	99 ms	616 KB	Output is correct
54	Correct	116 ms	628 KB	Output is correct
55	Execution timed out	2078 ms	14572 KB	Time limit exceeded
56	Halted	0 ms	0 KB	-

답안 #931405

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