Submission #926252

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
926252	2024-02-12T17:52:29 Z	mansur	Joker (BOI20_joker)	C++17	71 / 100	2000 ms	18892 KB

Joker

#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,mmx,avx")
//#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 = 5e5 + 1, mod = 998244353;
 
const ll inf = 1e9;
 
double eps = 1e-15;
                                                
bool flg = 0;
 
bool ok = 1, was[N];
vector<pii> g(N);
 
int p[N + 1], pr[N];
int sz[N + 1], pt[N + 1];
vector<pii> h;
 
pii get(int x) {
 	if (p[x] == x) return {x, 0};
 	pii val = get(p[x]);
 	return {val.f, ((pr[x] + val.s) & 1)};
}
 
inline void add(int id) {
	int u = g[id].f;
	int v = g[id].s;
	pii x = get(u);
	pii y = get(v);
	if (x.f == y.f) {
		if (x.s == y.s) {
			if (ok) {
			    h.push_back({-1, -1});
				ok = 0;
			}    
		}
		return;
	}
	if (sz[x.f] > sz[y.f]) swap(x, y);
	h.push_back({x.f, sz[x.f]});
	h.push_back({y.f, sz[y.f]});
	p[x.f] = y.f;
	pr[x.f] = ((x.s + y.s + 1) & 1);  	
	sz[y.f] += sz[x.f];
}
 
inline void rb() {
	while (sz(h) && !pt[sz(h)]) {
		pii x = h.back();
		h.pop_back();
		if (x.f == -1) {
			ok = 1;
			continue;
		}
		p[x.f] = x.f;
		pr[x.f] = 0;
		sz[x.f] = x.s;
	}
	pt[sz(h)]--; 
}
 
int ps[N];
 
void f(int l, int r, int tr) {
	if (l > r) return;
	int m = (l + r) / 2;
	pt[sz(h)]++;
	for (int i = m - 1; i >= l; i--) 
		add(i);
	pt[sz(h)]++;
	if (!ok) ps[m] = tr + 1;
	for (int i = tr; ok && i > m; i--) {
		add(i);
		if (!ok) {
			ps[m] = i;
			break;
		}
	}
	rb();
	add(m);
	f(m + 1, r, tr);
	rb();
	pt[sz(h)]++;
	for (int i = tr; i > ps[m]; i--)
		add(i);
	f(l, m - 1, min(tr, ps[m]));
	rb();
}
 
void slv() {
	int n, m, q;
	cin >> n >> m >> q;
	for (int i = 1; i <= m; i++) {
		int u, v;
		cin >> u >> v;
		g[i] = {u, v};
	}
	for (int i = 1; i <= n; i++) 
		p[i] = i, sz[i] = 1;
	f(1, m, m);
	for (int i = 1; i <= q; i++) {
		int l, r;
		cin >> l >> r;
		if (ps[l] > r) cout << "YES\n";
		else cout << "NO\n";
	}
}                                                                           
 
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();
	}
}

Compilation message

Joker.cpp:128:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
  128 | main() {
      | ^~~~

Subtask #1
6.0 / 6.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	12380 KB	Output is correct
2	Correct	2 ms	12380 KB	Output is correct
3	Correct	3 ms	12572 KB	Output is correct
4	Correct	2 ms	12380 KB	Output is correct
5	Correct	2 ms	12380 KB	Output is correct
6	Correct	2 ms	12380 KB	Output is correct
7	Correct	3 ms	12376 KB	Output is correct
8	Correct	3 ms	12380 KB	Output is correct
9	Correct	3 ms	12380 KB	Output is correct
10	Correct	2 ms	12380 KB	Output is correct
11	Correct	3 ms	12380 KB	Output is correct
12	Correct	3 ms	12380 KB	Output is correct
13	Correct	2 ms	12380 KB	Output is correct
14	Correct	2 ms	12380 KB	Output is correct
15	Correct	3 ms	12364 KB	Output is correct
16	Correct	2 ms	12380 KB	Output is correct
17	Correct	2 ms	12380 KB	Output is correct
18	Correct	2 ms	12380 KB	Output is correct
19	Correct	2 ms	12380 KB	Output is correct
20	Correct	2 ms	12380 KB	Output is correct
21	Correct	3 ms	12380 KB	Output is correct
22	Correct	2 ms	12376 KB	Output is correct
23	Correct	3 ms	12380 KB	Output is correct
24	Correct	4 ms	12380 KB	Output is correct
25	Correct	3 ms	12380 KB	Output is correct
26	Correct	3 ms	12452 KB	Output is correct
27	Correct	2 ms	12380 KB	Output is correct
28	Correct	3 ms	12380 KB	Output is correct

Subtask #2
8.0 / 8.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	12380 KB	Output is correct
2	Correct	2 ms	12380 KB	Output is correct
3	Correct	3 ms	12572 KB	Output is correct
4	Correct	2 ms	12380 KB	Output is correct
5	Correct	2 ms	12380 KB	Output is correct
6	Correct	2 ms	12380 KB	Output is correct
7	Correct	3 ms	12376 KB	Output is correct
8	Correct	3 ms	12380 KB	Output is correct
9	Correct	3 ms	12380 KB	Output is correct
10	Correct	2 ms	12380 KB	Output is correct
11	Correct	3 ms	12380 KB	Output is correct
12	Correct	3 ms	12380 KB	Output is correct
13	Correct	2 ms	12380 KB	Output is correct
14	Correct	2 ms	12380 KB	Output is correct
15	Correct	3 ms	12364 KB	Output is correct
16	Correct	2 ms	12380 KB	Output is correct
17	Correct	2 ms	12380 KB	Output is correct
18	Correct	2 ms	12380 KB	Output is correct
19	Correct	2 ms	12380 KB	Output is correct
20	Correct	2 ms	12380 KB	Output is correct
21	Correct	3 ms	12380 KB	Output is correct
22	Correct	2 ms	12376 KB	Output is correct
23	Correct	3 ms	12380 KB	Output is correct
24	Correct	4 ms	12380 KB	Output is correct
25	Correct	3 ms	12380 KB	Output is correct
26	Correct	3 ms	12452 KB	Output is correct
27	Correct	2 ms	12380 KB	Output is correct
28	Correct	3 ms	12380 KB	Output is correct
29	Correct	3 ms	12636 KB	Output is correct
30	Correct	3 ms	12636 KB	Output is correct
31	Correct	4 ms	12636 KB	Output is correct
32	Correct	3 ms	12636 KB	Output is correct
33	Correct	3 ms	12636 KB	Output is correct
34	Correct	3 ms	12568 KB	Output is correct
35	Correct	3 ms	12636 KB	Output is correct
36	Correct	3 ms	12596 KB	Output is correct
37	Correct	4 ms	12636 KB	Output is correct
38	Correct	4 ms	12636 KB	Output is correct
39	Correct	3 ms	12636 KB	Output is correct
40	Correct	3 ms	12636 KB	Output is correct
41	Correct	4 ms	12636 KB	Output is correct
42	Correct	3 ms	12636 KB	Output is correct
43	Correct	3 ms	12636 KB	Output is correct
44	Correct	3 ms	12636 KB	Output is correct
45	Correct	3 ms	12636 KB	Output is correct
46	Correct	3 ms	12632 KB	Output is correct
47	Correct	3 ms	12636 KB	Output is correct
48	Correct	3 ms	12636 KB	Output is correct
49	Correct	4 ms	12636 KB	Output is correct
50	Correct	3 ms	12636 KB	Output is correct
51	Correct	3 ms	12644 KB	Output is correct
52	Correct	3 ms	12632 KB	Output is correct
53	Correct	3 ms	12636 KB	Output is correct
54	Correct	4 ms	12636 KB	Output is correct

Subtask #3
25.0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	12380 KB	Output is correct
2	Correct	2 ms	12380 KB	Output is correct
3	Correct	120 ms	15308 KB	Output is correct
4	Correct	168 ms	18124 KB	Output is correct
5	Correct	118 ms	16844 KB	Output is correct
6	Correct	113 ms	15048 KB	Output is correct
7	Correct	133 ms	15048 KB	Output is correct
8	Correct	122 ms	14544 KB	Output is correct
9	Correct	137 ms	15052 KB	Output is correct
10	Correct	176 ms	18636 KB	Output is correct
11	Correct	178 ms	15040 KB	Output is correct
12	Correct	155 ms	18120 KB	Output is correct
13	Correct	133 ms	13668 KB	Output is correct
14	Correct	127 ms	14260 KB	Output is correct
15	Correct	175 ms	17100 KB	Output is correct
16	Correct	187 ms	18340 KB	Output is correct

Subtask #4
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	12380 KB	Output is correct
2	Correct	2 ms	12380 KB	Output is correct
3	Correct	3 ms	12572 KB	Output is correct
4	Correct	2 ms	12380 KB	Output is correct
5	Correct	2 ms	12380 KB	Output is correct
6	Correct	2 ms	12380 KB	Output is correct
7	Correct	3 ms	12376 KB	Output is correct
8	Correct	3 ms	12380 KB	Output is correct
9	Correct	3 ms	12380 KB	Output is correct
10	Correct	2 ms	12380 KB	Output is correct
11	Correct	3 ms	12380 KB	Output is correct
12	Correct	3 ms	12380 KB	Output is correct
13	Correct	2 ms	12380 KB	Output is correct
14	Correct	2 ms	12380 KB	Output is correct
15	Correct	3 ms	12364 KB	Output is correct
16	Correct	2 ms	12380 KB	Output is correct
17	Correct	2 ms	12380 KB	Output is correct
18	Correct	2 ms	12380 KB	Output is correct
19	Correct	2 ms	12380 KB	Output is correct
20	Correct	2 ms	12380 KB	Output is correct
21	Correct	3 ms	12380 KB	Output is correct
22	Correct	2 ms	12376 KB	Output is correct
23	Correct	3 ms	12380 KB	Output is correct
24	Correct	4 ms	12380 KB	Output is correct
25	Correct	3 ms	12380 KB	Output is correct
26	Correct	3 ms	12452 KB	Output is correct
27	Correct	2 ms	12380 KB	Output is correct
28	Correct	3 ms	12380 KB	Output is correct
29	Correct	120 ms	15308 KB	Output is correct
30	Correct	168 ms	18124 KB	Output is correct
31	Correct	118 ms	16844 KB	Output is correct
32	Correct	113 ms	15048 KB	Output is correct
33	Correct	133 ms	15048 KB	Output is correct
34	Correct	122 ms	14544 KB	Output is correct
35	Correct	137 ms	15052 KB	Output is correct
36	Correct	176 ms	18636 KB	Output is correct
37	Correct	178 ms	15040 KB	Output is correct
38	Correct	155 ms	18120 KB	Output is correct
39	Correct	133 ms	13668 KB	Output is correct
40	Correct	127 ms	14260 KB	Output is correct
41	Correct	175 ms	17100 KB	Output is correct
42	Correct	187 ms	18340 KB	Output is correct
43	Correct	118 ms	15012 KB	Output is correct
44	Correct	173 ms	18644 KB	Output is correct
45	Correct	1326 ms	17868 KB	Output is correct
46	Correct	111 ms	15052 KB	Output is correct
47	Correct	127 ms	15060 KB	Output is correct
48	Correct	159 ms	15564 KB	Output is correct
49	Correct	179 ms	17576 KB	Output is correct
50	Correct	141 ms	14808 KB	Output is correct
51	Correct	154 ms	18376 KB	Output is correct
52	Correct	178 ms	18892 KB	Output is correct
53	Correct	134 ms	13812 KB	Output is correct
54	Correct	146 ms	14552 KB	Output is correct
55	Correct	171 ms	17612 KB	Output is correct
56	Correct	190 ms	18384 KB	Output is correct

Subtask #5
22.0 / 22.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	12380 KB	Output is correct
2	Correct	2 ms	12380 KB	Output is correct
3	Correct	3 ms	12572 KB	Output is correct
4	Correct	2 ms	12380 KB	Output is correct
5	Correct	2 ms	12380 KB	Output is correct
6	Correct	2 ms	12380 KB	Output is correct
7	Correct	3 ms	12376 KB	Output is correct
8	Correct	3 ms	12380 KB	Output is correct
9	Correct	3 ms	12380 KB	Output is correct
10	Correct	2 ms	12380 KB	Output is correct
11	Correct	3 ms	12380 KB	Output is correct
12	Correct	3 ms	12380 KB	Output is correct
13	Correct	2 ms	12380 KB	Output is correct
14	Correct	2 ms	12380 KB	Output is correct
15	Correct	3 ms	12364 KB	Output is correct
16	Correct	2 ms	12380 KB	Output is correct
17	Correct	2 ms	12380 KB	Output is correct
18	Correct	2 ms	12380 KB	Output is correct
19	Correct	2 ms	12380 KB	Output is correct
20	Correct	2 ms	12380 KB	Output is correct
21	Correct	3 ms	12380 KB	Output is correct
22	Correct	2 ms	12376 KB	Output is correct
23	Correct	3 ms	12380 KB	Output is correct
24	Correct	4 ms	12380 KB	Output is correct
25	Correct	3 ms	12380 KB	Output is correct
26	Correct	3 ms	12452 KB	Output is correct
27	Correct	2 ms	12380 KB	Output is correct
28	Correct	3 ms	12380 KB	Output is correct
29	Correct	3 ms	12636 KB	Output is correct
30	Correct	3 ms	12636 KB	Output is correct
31	Correct	4 ms	12636 KB	Output is correct
32	Correct	3 ms	12636 KB	Output is correct
33	Correct	3 ms	12636 KB	Output is correct
34	Correct	3 ms	12568 KB	Output is correct
35	Correct	3 ms	12636 KB	Output is correct
36	Correct	3 ms	12596 KB	Output is correct
37	Correct	4 ms	12636 KB	Output is correct
38	Correct	4 ms	12636 KB	Output is correct
39	Correct	3 ms	12636 KB	Output is correct
40	Correct	3 ms	12636 KB	Output is correct
41	Correct	4 ms	12636 KB	Output is correct
42	Correct	3 ms	12636 KB	Output is correct
43	Correct	3 ms	12636 KB	Output is correct
44	Correct	3 ms	12636 KB	Output is correct
45	Correct	3 ms	12636 KB	Output is correct
46	Correct	3 ms	12632 KB	Output is correct
47	Correct	3 ms	12636 KB	Output is correct
48	Correct	3 ms	12636 KB	Output is correct
49	Correct	4 ms	12636 KB	Output is correct
50	Correct	3 ms	12636 KB	Output is correct
51	Correct	3 ms	12644 KB	Output is correct
52	Correct	3 ms	12632 KB	Output is correct
53	Correct	3 ms	12636 KB	Output is correct
54	Correct	4 ms	12636 KB	Output is correct
55	Correct	92 ms	14804 KB	Output is correct
56	Correct	133 ms	17596 KB	Output is correct
57	Correct	84 ms	17352 KB	Output is correct
58	Correct	93 ms	14544 KB	Output is correct
59	Correct	128 ms	14540 KB	Output is correct
60	Correct	156 ms	17864 KB	Output is correct
61	Correct	133 ms	15568 KB	Output is correct
62	Correct	129 ms	18888 KB	Output is correct
63	Correct	102 ms	13528 KB	Output is correct
64	Correct	137 ms	14552 KB	Output is correct
65	Correct	159 ms	18348 KB	Output is correct

Subtask #6
0 / 29.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	12380 KB	Output is correct
2	Correct	2 ms	12380 KB	Output is correct
3	Correct	3 ms	12572 KB	Output is correct
4	Correct	2 ms	12380 KB	Output is correct
5	Correct	2 ms	12380 KB	Output is correct
6	Correct	2 ms	12380 KB	Output is correct
7	Correct	3 ms	12376 KB	Output is correct
8	Correct	3 ms	12380 KB	Output is correct
9	Correct	3 ms	12380 KB	Output is correct
10	Correct	2 ms	12380 KB	Output is correct
11	Correct	3 ms	12380 KB	Output is correct
12	Correct	3 ms	12380 KB	Output is correct
13	Correct	2 ms	12380 KB	Output is correct
14	Correct	2 ms	12380 KB	Output is correct
15	Correct	3 ms	12364 KB	Output is correct
16	Correct	2 ms	12380 KB	Output is correct
17	Correct	2 ms	12380 KB	Output is correct
18	Correct	2 ms	12380 KB	Output is correct
19	Correct	2 ms	12380 KB	Output is correct
20	Correct	2 ms	12380 KB	Output is correct
21	Correct	3 ms	12380 KB	Output is correct
22	Correct	2 ms	12376 KB	Output is correct
23	Correct	3 ms	12380 KB	Output is correct
24	Correct	4 ms	12380 KB	Output is correct
25	Correct	3 ms	12380 KB	Output is correct
26	Correct	3 ms	12452 KB	Output is correct
27	Correct	2 ms	12380 KB	Output is correct
28	Correct	3 ms	12380 KB	Output is correct
29	Correct	3 ms	12636 KB	Output is correct
30	Correct	3 ms	12636 KB	Output is correct
31	Correct	4 ms	12636 KB	Output is correct
32	Correct	3 ms	12636 KB	Output is correct
33	Correct	3 ms	12636 KB	Output is correct
34	Correct	3 ms	12568 KB	Output is correct
35	Correct	3 ms	12636 KB	Output is correct
36	Correct	3 ms	12596 KB	Output is correct
37	Correct	4 ms	12636 KB	Output is correct
38	Correct	4 ms	12636 KB	Output is correct
39	Correct	3 ms	12636 KB	Output is correct
40	Correct	3 ms	12636 KB	Output is correct
41	Correct	4 ms	12636 KB	Output is correct
42	Correct	3 ms	12636 KB	Output is correct
43	Correct	3 ms	12636 KB	Output is correct
44	Correct	3 ms	12636 KB	Output is correct
45	Correct	3 ms	12636 KB	Output is correct
46	Correct	3 ms	12632 KB	Output is correct
47	Correct	3 ms	12636 KB	Output is correct
48	Correct	3 ms	12636 KB	Output is correct
49	Correct	4 ms	12636 KB	Output is correct
50	Correct	3 ms	12636 KB	Output is correct
51	Correct	3 ms	12644 KB	Output is correct
52	Correct	3 ms	12632 KB	Output is correct
53	Correct	3 ms	12636 KB	Output is correct
54	Correct	4 ms	12636 KB	Output is correct
55	Correct	120 ms	15308 KB	Output is correct
56	Correct	168 ms	18124 KB	Output is correct
57	Correct	118 ms	16844 KB	Output is correct
58	Correct	113 ms	15048 KB	Output is correct
59	Correct	133 ms	15048 KB	Output is correct
60	Correct	122 ms	14544 KB	Output is correct
61	Correct	137 ms	15052 KB	Output is correct
62	Correct	176 ms	18636 KB	Output is correct
63	Correct	178 ms	15040 KB	Output is correct
64	Correct	155 ms	18120 KB	Output is correct
65	Correct	133 ms	13668 KB	Output is correct
66	Correct	127 ms	14260 KB	Output is correct
67	Correct	175 ms	17100 KB	Output is correct
68	Correct	187 ms	18340 KB	Output is correct
69	Correct	118 ms	15012 KB	Output is correct
70	Correct	173 ms	18644 KB	Output is correct
71	Correct	1326 ms	17868 KB	Output is correct
72	Correct	111 ms	15052 KB	Output is correct
73	Correct	127 ms	15060 KB	Output is correct
74	Correct	159 ms	15564 KB	Output is correct
75	Correct	179 ms	17576 KB	Output is correct
76	Correct	141 ms	14808 KB	Output is correct
77	Correct	154 ms	18376 KB	Output is correct
78	Correct	178 ms	18892 KB	Output is correct
79	Correct	134 ms	13812 KB	Output is correct
80	Correct	146 ms	14552 KB	Output is correct
81	Correct	171 ms	17612 KB	Output is correct
82	Correct	190 ms	18384 KB	Output is correct
83	Correct	92 ms	14804 KB	Output is correct
84	Correct	133 ms	17596 KB	Output is correct
85	Correct	84 ms	17352 KB	Output is correct
86	Correct	93 ms	14544 KB	Output is correct
87	Correct	128 ms	14540 KB	Output is correct
88	Correct	156 ms	17864 KB	Output is correct
89	Correct	133 ms	15568 KB	Output is correct
90	Correct	129 ms	18888 KB	Output is correct
91	Correct	102 ms	13528 KB	Output is correct
92	Correct	137 ms	14552 KB	Output is correct
93	Correct	159 ms	18348 KB	Output is correct
94	Correct	127 ms	15052 KB	Output is correct
95	Execution timed out	2091 ms	18576 KB	Time limit exceeded
96	Halted	0 ms	0 KB	-

Submission #926252

Compilation message

Subtask #1 6.0 / 6.0

Subtask #2 8.0 / 8.0

Subtask #3 25.0 / 25.0

Subtask #4 10.0 / 10.0

Subtask #5 22.0 / 22.0

Subtask #6 0 / 29.0

Subtask #1
6.0 / 6.0

Subtask #2
8.0 / 8.0

Subtask #3
25.0 / 25.0

Subtask #4
10.0 / 10.0

Subtask #5
22.0 / 22.0

Subtask #6
0 / 29.0