Submission #925675

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
925675	2024-02-12T07:21:32 Z	vjudge1	Joker (BOI20_joker)	C++17	14 / 100	2000 ms	19336 KB

Joker

//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
//#pragma GCC optimize("Ofast,unroll-loops,fast-math,O3")

#include<bits/stdc++.h>	

using namespace std;

#define all(a) a.begin(), a.end()                                                   
#define rall(a) a.rbegin(), a.rend()                 
#define sz(a) (int)a.size()
#define s second
#define f first
 
using ll = long long;
using pii = pair<int, int>;
using pll = pair<ll, ll>;

mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
     
vector<pii> rid = {{0, 1}, {0, -1}, {1, 0}, {-1, 0}};
vector<pii> dir = {{-1, -1}, {-1, 1}, {1, -1}, {1, 1}};
 
const int N = 3e5 + 1, mod = 998244353;

const ll inf = 1e9;
 
double eps = 1e-15;
                                                
bool flg = 0;

int is[N];
bool ok, was[N];
vector<pii> g[N];

void dfs(int u, int l, int r) {
	was[u] = 1;
	for (auto [to, id]: g[u]) {
		if (l <= id && id <= r) continue;
		if (!was[to]) {
			is[to] = 1 - is[u];
			dfs(to, l, r);
		}else if (is[to] == is[u]) ok = 0;
	}
}

void slv() {
	int n, m, q;
	cin >> n >> m >> q;
	for (int i = 1; i <= m; i++) {
		int u, v;
		cin >> u >> v;
		g[u].push_back({v, i});
		g[v].push_back({u, i});
	}
	while (q--) {
		int l, r;
		cin >> l >> r;
		ok = 1;
		for (int i = 1; i <= n; i++) {
			if (!was[i]) 
				dfs(i, l, r);
		}
		if (ok) cout << "NO\n";
		else cout << "YES\n";
		for (int i = 1; i <= n; i++) 
			was[i] = is[i] = 0;
	}
}                                                                           
 
main() {
	//freopen("rsq.in", "r", stdin);                                                                                     
	//freopen("rsq.out", "w", stdout);                                                                                     
	ios_base::sync_with_stdio(0);	                                                                                       
	cin.tie(0);
	int tp = 1;
	if (flg) cin >> tp;
	while (tp--) {  	
		slv();
	}
}
//wenomechainsama

Compilation message

Joker.cpp: In function 'void slv()':
Joker.cpp:66:19: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
   66 |    was[i] = is[i] = 0;
      |             ~~~~~~^~~
Joker.cpp: At global scope:
Joker.cpp:70:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   70 | main() {
      | ^~~~

Subtask #1
6.0 / 6.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	8796 KB	Output is correct
2	Correct	2 ms	8796 KB	Output is correct
3	Correct	2 ms	8796 KB	Output is correct
4	Correct	2 ms	8796 KB	Output is correct
5	Correct	2 ms	8796 KB	Output is correct
6	Correct	2 ms	8796 KB	Output is correct
7	Correct	3 ms	8796 KB	Output is correct
8	Correct	2 ms	8796 KB	Output is correct
9	Correct	3 ms	8796 KB	Output is correct
10	Correct	2 ms	8796 KB	Output is correct
11	Correct	2 ms	8792 KB	Output is correct
12	Correct	2 ms	8796 KB	Output is correct
13	Correct	2 ms	8796 KB	Output is correct
14	Correct	2 ms	8796 KB	Output is correct
15	Correct	2 ms	8796 KB	Output is correct
16	Correct	2 ms	8860 KB	Output is correct
17	Correct	2 ms	8796 KB	Output is correct
18	Correct	3 ms	8816 KB	Output is correct
19	Correct	2 ms	8796 KB	Output is correct
20	Correct	2 ms	8796 KB	Output is correct
21	Correct	2 ms	8796 KB	Output is correct
22	Correct	2 ms	8792 KB	Output is correct
23	Correct	2 ms	8796 KB	Output is correct
24	Correct	3 ms	8796 KB	Output is correct
25	Correct	2 ms	8796 KB	Output is correct
26	Correct	2 ms	8796 KB	Output is correct
27	Correct	2 ms	8796 KB	Output is correct
28	Correct	2 ms	8796 KB	Output is correct

Subtask #2
8.0 / 8.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	8796 KB	Output is correct
2	Correct	2 ms	8796 KB	Output is correct
3	Correct	2 ms	8796 KB	Output is correct
4	Correct	2 ms	8796 KB	Output is correct
5	Correct	2 ms	8796 KB	Output is correct
6	Correct	2 ms	8796 KB	Output is correct
7	Correct	3 ms	8796 KB	Output is correct
8	Correct	2 ms	8796 KB	Output is correct
9	Correct	3 ms	8796 KB	Output is correct
10	Correct	2 ms	8796 KB	Output is correct
11	Correct	2 ms	8792 KB	Output is correct
12	Correct	2 ms	8796 KB	Output is correct
13	Correct	2 ms	8796 KB	Output is correct
14	Correct	2 ms	8796 KB	Output is correct
15	Correct	2 ms	8796 KB	Output is correct
16	Correct	2 ms	8860 KB	Output is correct
17	Correct	2 ms	8796 KB	Output is correct
18	Correct	3 ms	8816 KB	Output is correct
19	Correct	2 ms	8796 KB	Output is correct
20	Correct	2 ms	8796 KB	Output is correct
21	Correct	2 ms	8796 KB	Output is correct
22	Correct	2 ms	8792 KB	Output is correct
23	Correct	2 ms	8796 KB	Output is correct
24	Correct	3 ms	8796 KB	Output is correct
25	Correct	2 ms	8796 KB	Output is correct
26	Correct	2 ms	8796 KB	Output is correct
27	Correct	2 ms	8796 KB	Output is correct
28	Correct	2 ms	8796 KB	Output is correct
29	Correct	59 ms	9044 KB	Output is correct
30	Correct	98 ms	8796 KB	Output is correct
31	Correct	86 ms	8792 KB	Output is correct
32	Correct	71 ms	8796 KB	Output is correct
33	Correct	57 ms	8792 KB	Output is correct
34	Correct	95 ms	8792 KB	Output is correct
35	Correct	98 ms	8796 KB	Output is correct
36	Correct	23 ms	8796 KB	Output is correct
37	Correct	57 ms	8796 KB	Output is correct
38	Correct	46 ms	8932 KB	Output is correct
39	Correct	66 ms	8956 KB	Output is correct
40	Correct	61 ms	8792 KB	Output is correct
41	Correct	62 ms	8796 KB	Output is correct
42	Correct	68 ms	8948 KB	Output is correct
43	Correct	68 ms	8796 KB	Output is correct
44	Correct	79 ms	8792 KB	Output is correct
45	Correct	91 ms	8940 KB	Output is correct
46	Correct	95 ms	8792 KB	Output is correct
47	Correct	59 ms	8940 KB	Output is correct
48	Correct	66 ms	9304 KB	Output is correct
49	Correct	76 ms	8792 KB	Output is correct
50	Correct	89 ms	8920 KB	Output is correct
51	Correct	61 ms	8796 KB	Output is correct
52	Correct	70 ms	8796 KB	Output is correct
53	Correct	83 ms	8936 KB	Output is correct
54	Correct	99 ms	8792 KB	Output is correct

Subtask #3
0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	8796 KB	Output is correct
2	Correct	2 ms	8796 KB	Output is correct
3	Execution timed out	2044 ms	17820 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	8796 KB	Output is correct
2	Correct	2 ms	8796 KB	Output is correct
3	Correct	2 ms	8796 KB	Output is correct
4	Correct	2 ms	8796 KB	Output is correct
5	Correct	2 ms	8796 KB	Output is correct
6	Correct	2 ms	8796 KB	Output is correct
7	Correct	3 ms	8796 KB	Output is correct
8	Correct	2 ms	8796 KB	Output is correct
9	Correct	3 ms	8796 KB	Output is correct
10	Correct	2 ms	8796 KB	Output is correct
11	Correct	2 ms	8792 KB	Output is correct
12	Correct	2 ms	8796 KB	Output is correct
13	Correct	2 ms	8796 KB	Output is correct
14	Correct	2 ms	8796 KB	Output is correct
15	Correct	2 ms	8796 KB	Output is correct
16	Correct	2 ms	8860 KB	Output is correct
17	Correct	2 ms	8796 KB	Output is correct
18	Correct	3 ms	8816 KB	Output is correct
19	Correct	2 ms	8796 KB	Output is correct
20	Correct	2 ms	8796 KB	Output is correct
21	Correct	2 ms	8796 KB	Output is correct
22	Correct	2 ms	8792 KB	Output is correct
23	Correct	2 ms	8796 KB	Output is correct
24	Correct	3 ms	8796 KB	Output is correct
25	Correct	2 ms	8796 KB	Output is correct
26	Correct	2 ms	8796 KB	Output is correct
27	Correct	2 ms	8796 KB	Output is correct
28	Correct	2 ms	8796 KB	Output is correct
29	Execution timed out	2044 ms	17820 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	8796 KB	Output is correct
2	Correct	2 ms	8796 KB	Output is correct
3	Correct	2 ms	8796 KB	Output is correct
4	Correct	2 ms	8796 KB	Output is correct
5	Correct	2 ms	8796 KB	Output is correct
6	Correct	2 ms	8796 KB	Output is correct
7	Correct	3 ms	8796 KB	Output is correct
8	Correct	2 ms	8796 KB	Output is correct
9	Correct	3 ms	8796 KB	Output is correct
10	Correct	2 ms	8796 KB	Output is correct
11	Correct	2 ms	8792 KB	Output is correct
12	Correct	2 ms	8796 KB	Output is correct
13	Correct	2 ms	8796 KB	Output is correct
14	Correct	2 ms	8796 KB	Output is correct
15	Correct	2 ms	8796 KB	Output is correct
16	Correct	2 ms	8860 KB	Output is correct
17	Correct	2 ms	8796 KB	Output is correct
18	Correct	3 ms	8816 KB	Output is correct
19	Correct	2 ms	8796 KB	Output is correct
20	Correct	2 ms	8796 KB	Output is correct
21	Correct	2 ms	8796 KB	Output is correct
22	Correct	2 ms	8792 KB	Output is correct
23	Correct	2 ms	8796 KB	Output is correct
24	Correct	3 ms	8796 KB	Output is correct
25	Correct	2 ms	8796 KB	Output is correct
26	Correct	2 ms	8796 KB	Output is correct
27	Correct	2 ms	8796 KB	Output is correct
28	Correct	2 ms	8796 KB	Output is correct
29	Correct	59 ms	9044 KB	Output is correct
30	Correct	98 ms	8796 KB	Output is correct
31	Correct	86 ms	8792 KB	Output is correct
32	Correct	71 ms	8796 KB	Output is correct
33	Correct	57 ms	8792 KB	Output is correct
34	Correct	95 ms	8792 KB	Output is correct
35	Correct	98 ms	8796 KB	Output is correct
36	Correct	23 ms	8796 KB	Output is correct
37	Correct	57 ms	8796 KB	Output is correct
38	Correct	46 ms	8932 KB	Output is correct
39	Correct	66 ms	8956 KB	Output is correct
40	Correct	61 ms	8792 KB	Output is correct
41	Correct	62 ms	8796 KB	Output is correct
42	Correct	68 ms	8948 KB	Output is correct
43	Correct	68 ms	8796 KB	Output is correct
44	Correct	79 ms	8792 KB	Output is correct
45	Correct	91 ms	8940 KB	Output is correct
46	Correct	95 ms	8792 KB	Output is correct
47	Correct	59 ms	8940 KB	Output is correct
48	Correct	66 ms	9304 KB	Output is correct
49	Correct	76 ms	8792 KB	Output is correct
50	Correct	89 ms	8920 KB	Output is correct
51	Correct	61 ms	8796 KB	Output is correct
52	Correct	70 ms	8796 KB	Output is correct
53	Correct	83 ms	8936 KB	Output is correct
54	Correct	99 ms	8792 KB	Output is correct
55	Execution timed out	2025 ms	19336 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	8796 KB	Output is correct
2	Correct	2 ms	8796 KB	Output is correct
3	Correct	2 ms	8796 KB	Output is correct
4	Correct	2 ms	8796 KB	Output is correct
5	Correct	2 ms	8796 KB	Output is correct
6	Correct	2 ms	8796 KB	Output is correct
7	Correct	3 ms	8796 KB	Output is correct
8	Correct	2 ms	8796 KB	Output is correct
9	Correct	3 ms	8796 KB	Output is correct
10	Correct	2 ms	8796 KB	Output is correct
11	Correct	2 ms	8792 KB	Output is correct
12	Correct	2 ms	8796 KB	Output is correct
13	Correct	2 ms	8796 KB	Output is correct
14	Correct	2 ms	8796 KB	Output is correct
15	Correct	2 ms	8796 KB	Output is correct
16	Correct	2 ms	8860 KB	Output is correct
17	Correct	2 ms	8796 KB	Output is correct
18	Correct	3 ms	8816 KB	Output is correct
19	Correct	2 ms	8796 KB	Output is correct
20	Correct	2 ms	8796 KB	Output is correct
21	Correct	2 ms	8796 KB	Output is correct
22	Correct	2 ms	8792 KB	Output is correct
23	Correct	2 ms	8796 KB	Output is correct
24	Correct	3 ms	8796 KB	Output is correct
25	Correct	2 ms	8796 KB	Output is correct
26	Correct	2 ms	8796 KB	Output is correct
27	Correct	2 ms	8796 KB	Output is correct
28	Correct	2 ms	8796 KB	Output is correct
29	Correct	59 ms	9044 KB	Output is correct
30	Correct	98 ms	8796 KB	Output is correct
31	Correct	86 ms	8792 KB	Output is correct
32	Correct	71 ms	8796 KB	Output is correct
33	Correct	57 ms	8792 KB	Output is correct
34	Correct	95 ms	8792 KB	Output is correct
35	Correct	98 ms	8796 KB	Output is correct
36	Correct	23 ms	8796 KB	Output is correct
37	Correct	57 ms	8796 KB	Output is correct
38	Correct	46 ms	8932 KB	Output is correct
39	Correct	66 ms	8956 KB	Output is correct
40	Correct	61 ms	8792 KB	Output is correct
41	Correct	62 ms	8796 KB	Output is correct
42	Correct	68 ms	8948 KB	Output is correct
43	Correct	68 ms	8796 KB	Output is correct
44	Correct	79 ms	8792 KB	Output is correct
45	Correct	91 ms	8940 KB	Output is correct
46	Correct	95 ms	8792 KB	Output is correct
47	Correct	59 ms	8940 KB	Output is correct
48	Correct	66 ms	9304 KB	Output is correct
49	Correct	76 ms	8792 KB	Output is correct
50	Correct	89 ms	8920 KB	Output is correct
51	Correct	61 ms	8796 KB	Output is correct
52	Correct	70 ms	8796 KB	Output is correct
53	Correct	83 ms	8936 KB	Output is correct
54	Correct	99 ms	8792 KB	Output is correct
55	Execution timed out	2044 ms	17820 KB	Time limit exceeded
56	Halted	0 ms	0 KB	-

Submission #925675

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