답안 #926253

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
926253	2024-02-12T17:53:09 Z	mansur	Joker (BOI20_joker)	C++17	71 / 100	2000 ms	18896 KB

Joker

#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx")
#pragma GCC optimize("unroll-loops")
 
#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

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	12376 KB	Output is correct
2	Correct	2 ms	12380 KB	Output is correct
3	Correct	2 ms	12380 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	12380 KB	Output is correct
8	Correct	3 ms	12380 KB	Output is correct
9	Correct	2 ms	12376 KB	Output is correct
10	Correct	3 ms	12376 KB	Output is correct
11	Correct	2 ms	12380 KB	Output is correct
12	Correct	3 ms	12380 KB	Output is correct
13	Correct	3 ms	12460 KB	Output is correct
14	Correct	2 ms	12380 KB	Output is correct
15	Correct	3 ms	12432 KB	Output is correct
16	Correct	3 ms	12380 KB	Output is correct
17	Correct	2 ms	12380 KB	Output is correct
18	Correct	2 ms	12376 KB	Output is correct
19	Correct	2 ms	12380 KB	Output is correct
20	Correct	2 ms	12380 KB	Output is correct
21	Correct	2 ms	12380 KB	Output is correct
22	Correct	3 ms	12380 KB	Output is correct
23	Correct	2 ms	12380 KB	Output is correct
24	Correct	2 ms	12380 KB	Output is correct
25	Correct	2 ms	12380 KB	Output is correct
26	Correct	2 ms	12380 KB	Output is correct
27	Correct	3 ms	12380 KB	Output is correct
28	Correct	2 ms	12380 KB	Output is correct

Subtask #2
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	12376 KB	Output is correct
2	Correct	2 ms	12380 KB	Output is correct
3	Correct	2 ms	12380 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	12380 KB	Output is correct
8	Correct	3 ms	12380 KB	Output is correct
9	Correct	2 ms	12376 KB	Output is correct
10	Correct	3 ms	12376 KB	Output is correct
11	Correct	2 ms	12380 KB	Output is correct
12	Correct	3 ms	12380 KB	Output is correct
13	Correct	3 ms	12460 KB	Output is correct
14	Correct	2 ms	12380 KB	Output is correct
15	Correct	3 ms	12432 KB	Output is correct
16	Correct	3 ms	12380 KB	Output is correct
17	Correct	2 ms	12380 KB	Output is correct
18	Correct	2 ms	12376 KB	Output is correct
19	Correct	2 ms	12380 KB	Output is correct
20	Correct	2 ms	12380 KB	Output is correct
21	Correct	2 ms	12380 KB	Output is correct
22	Correct	3 ms	12380 KB	Output is correct
23	Correct	2 ms	12380 KB	Output is correct
24	Correct	2 ms	12380 KB	Output is correct
25	Correct	2 ms	12380 KB	Output is correct
26	Correct	2 ms	12380 KB	Output is correct
27	Correct	3 ms	12380 KB	Output is correct
28	Correct	2 ms	12380 KB	Output is correct
29	Correct	3 ms	12632 KB	Output is correct
30	Correct	3 ms	12636 KB	Output is correct
31	Correct	3 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	12832 KB	Output is correct
35	Correct	3 ms	12636 KB	Output is correct
36	Correct	3 ms	12636 KB	Output is correct
37	Correct	4 ms	12636 KB	Output is correct
38	Correct	3 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	3 ms	12636 KB	Output is correct
42	Correct	3 ms	12636 KB	Output is correct
43	Correct	4 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	4 ms	12636 KB	Output is correct
47	Correct	3 ms	12636 KB	Output is correct
48	Correct	4 ms	12596 KB	Output is correct
49	Correct	4 ms	12672 KB	Output is correct
50	Correct	4 ms	12636 KB	Output is correct
51	Correct	3 ms	12636 KB	Output is correct
52	Correct	4 ms	12636 KB	Output is correct
53	Correct	3 ms	12636 KB	Output is correct
54	Correct	3 ms	12636 KB	Output is correct

Subtask #3
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	12376 KB	Output is correct
2	Correct	2 ms	12380 KB	Output is correct
3	Correct	117 ms	15052 KB	Output is correct
4	Correct	177 ms	17868 KB	Output is correct
5	Correct	118 ms	17108 KB	Output is correct
6	Correct	117 ms	15060 KB	Output is correct
7	Correct	134 ms	15048 KB	Output is correct
8	Correct	133 ms	14536 KB	Output is correct
9	Correct	144 ms	15032 KB	Output is correct
10	Correct	182 ms	18892 KB	Output is correct
11	Correct	158 ms	15084 KB	Output is correct
12	Correct	156 ms	17608 KB	Output is correct
13	Correct	135 ms	13776 KB	Output is correct
14	Correct	131 ms	14288 KB	Output is correct
15	Correct	177 ms	18632 KB	Output is correct
16	Correct	184 ms	17620 KB	Output is correct

Subtask #4
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	12376 KB	Output is correct
2	Correct	2 ms	12380 KB	Output is correct
3	Correct	2 ms	12380 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	12380 KB	Output is correct
8	Correct	3 ms	12380 KB	Output is correct
9	Correct	2 ms	12376 KB	Output is correct
10	Correct	3 ms	12376 KB	Output is correct
11	Correct	2 ms	12380 KB	Output is correct
12	Correct	3 ms	12380 KB	Output is correct
13	Correct	3 ms	12460 KB	Output is correct
14	Correct	2 ms	12380 KB	Output is correct
15	Correct	3 ms	12432 KB	Output is correct
16	Correct	3 ms	12380 KB	Output is correct
17	Correct	2 ms	12380 KB	Output is correct
18	Correct	2 ms	12376 KB	Output is correct
19	Correct	2 ms	12380 KB	Output is correct
20	Correct	2 ms	12380 KB	Output is correct
21	Correct	2 ms	12380 KB	Output is correct
22	Correct	3 ms	12380 KB	Output is correct
23	Correct	2 ms	12380 KB	Output is correct
24	Correct	2 ms	12380 KB	Output is correct
25	Correct	2 ms	12380 KB	Output is correct
26	Correct	2 ms	12380 KB	Output is correct
27	Correct	3 ms	12380 KB	Output is correct
28	Correct	2 ms	12380 KB	Output is correct
29	Correct	117 ms	15052 KB	Output is correct
30	Correct	177 ms	17868 KB	Output is correct
31	Correct	118 ms	17108 KB	Output is correct
32	Correct	117 ms	15060 KB	Output is correct
33	Correct	134 ms	15048 KB	Output is correct
34	Correct	133 ms	14536 KB	Output is correct
35	Correct	144 ms	15032 KB	Output is correct
36	Correct	182 ms	18892 KB	Output is correct
37	Correct	158 ms	15084 KB	Output is correct
38	Correct	156 ms	17608 KB	Output is correct
39	Correct	135 ms	13776 KB	Output is correct
40	Correct	131 ms	14288 KB	Output is correct
41	Correct	177 ms	18632 KB	Output is correct
42	Correct	184 ms	17620 KB	Output is correct
43	Correct	119 ms	15048 KB	Output is correct
44	Correct	173 ms	17612 KB	Output is correct
45	Correct	1303 ms	17868 KB	Output is correct
46	Correct	119 ms	15052 KB	Output is correct
47	Correct	135 ms	14976 KB	Output is correct
48	Correct	161 ms	15080 KB	Output is correct
49	Correct	206 ms	17888 KB	Output is correct
50	Correct	151 ms	14760 KB	Output is correct
51	Correct	159 ms	17828 KB	Output is correct
52	Correct	170 ms	18680 KB	Output is correct
53	Correct	152 ms	13728 KB	Output is correct
54	Correct	166 ms	14564 KB	Output is correct
55	Correct	182 ms	18120 KB	Output is correct
56	Correct	196 ms	18124 KB	Output is correct

Subtask #5
22.0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	12376 KB	Output is correct
2	Correct	2 ms	12380 KB	Output is correct
3	Correct	2 ms	12380 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	12380 KB	Output is correct
8	Correct	3 ms	12380 KB	Output is correct
9	Correct	2 ms	12376 KB	Output is correct
10	Correct	3 ms	12376 KB	Output is correct
11	Correct	2 ms	12380 KB	Output is correct
12	Correct	3 ms	12380 KB	Output is correct
13	Correct	3 ms	12460 KB	Output is correct
14	Correct	2 ms	12380 KB	Output is correct
15	Correct	3 ms	12432 KB	Output is correct
16	Correct	3 ms	12380 KB	Output is correct
17	Correct	2 ms	12380 KB	Output is correct
18	Correct	2 ms	12376 KB	Output is correct
19	Correct	2 ms	12380 KB	Output is correct
20	Correct	2 ms	12380 KB	Output is correct
21	Correct	2 ms	12380 KB	Output is correct
22	Correct	3 ms	12380 KB	Output is correct
23	Correct	2 ms	12380 KB	Output is correct
24	Correct	2 ms	12380 KB	Output is correct
25	Correct	2 ms	12380 KB	Output is correct
26	Correct	2 ms	12380 KB	Output is correct
27	Correct	3 ms	12380 KB	Output is correct
28	Correct	2 ms	12380 KB	Output is correct
29	Correct	3 ms	12632 KB	Output is correct
30	Correct	3 ms	12636 KB	Output is correct
31	Correct	3 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	12832 KB	Output is correct
35	Correct	3 ms	12636 KB	Output is correct
36	Correct	3 ms	12636 KB	Output is correct
37	Correct	4 ms	12636 KB	Output is correct
38	Correct	3 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	3 ms	12636 KB	Output is correct
42	Correct	3 ms	12636 KB	Output is correct
43	Correct	4 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	4 ms	12636 KB	Output is correct
47	Correct	3 ms	12636 KB	Output is correct
48	Correct	4 ms	12596 KB	Output is correct
49	Correct	4 ms	12672 KB	Output is correct
50	Correct	4 ms	12636 KB	Output is correct
51	Correct	3 ms	12636 KB	Output is correct
52	Correct	4 ms	12636 KB	Output is correct
53	Correct	3 ms	12636 KB	Output is correct
54	Correct	3 ms	12636 KB	Output is correct
55	Correct	93 ms	14548 KB	Output is correct
56	Correct	136 ms	17104 KB	Output is correct
57	Correct	89 ms	17352 KB	Output is correct
58	Correct	97 ms	14544 KB	Output is correct
59	Correct	130 ms	14724 KB	Output is correct
60	Correct	166 ms	16840 KB	Output is correct
61	Correct	139 ms	14540 KB	Output is correct
62	Correct	130 ms	17352 KB	Output is correct
63	Correct	106 ms	13524 KB	Output is correct
64	Correct	139 ms	14704 KB	Output is correct
65	Correct	164 ms	16840 KB	Output is correct

Subtask #6
0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	12376 KB	Output is correct
2	Correct	2 ms	12380 KB	Output is correct
3	Correct	2 ms	12380 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	12380 KB	Output is correct
8	Correct	3 ms	12380 KB	Output is correct
9	Correct	2 ms	12376 KB	Output is correct
10	Correct	3 ms	12376 KB	Output is correct
11	Correct	2 ms	12380 KB	Output is correct
12	Correct	3 ms	12380 KB	Output is correct
13	Correct	3 ms	12460 KB	Output is correct
14	Correct	2 ms	12380 KB	Output is correct
15	Correct	3 ms	12432 KB	Output is correct
16	Correct	3 ms	12380 KB	Output is correct
17	Correct	2 ms	12380 KB	Output is correct
18	Correct	2 ms	12376 KB	Output is correct
19	Correct	2 ms	12380 KB	Output is correct
20	Correct	2 ms	12380 KB	Output is correct
21	Correct	2 ms	12380 KB	Output is correct
22	Correct	3 ms	12380 KB	Output is correct
23	Correct	2 ms	12380 KB	Output is correct
24	Correct	2 ms	12380 KB	Output is correct
25	Correct	2 ms	12380 KB	Output is correct
26	Correct	2 ms	12380 KB	Output is correct
27	Correct	3 ms	12380 KB	Output is correct
28	Correct	2 ms	12380 KB	Output is correct
29	Correct	3 ms	12632 KB	Output is correct
30	Correct	3 ms	12636 KB	Output is correct
31	Correct	3 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	12832 KB	Output is correct
35	Correct	3 ms	12636 KB	Output is correct
36	Correct	3 ms	12636 KB	Output is correct
37	Correct	4 ms	12636 KB	Output is correct
38	Correct	3 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	3 ms	12636 KB	Output is correct
42	Correct	3 ms	12636 KB	Output is correct
43	Correct	4 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	4 ms	12636 KB	Output is correct
47	Correct	3 ms	12636 KB	Output is correct
48	Correct	4 ms	12596 KB	Output is correct
49	Correct	4 ms	12672 KB	Output is correct
50	Correct	4 ms	12636 KB	Output is correct
51	Correct	3 ms	12636 KB	Output is correct
52	Correct	4 ms	12636 KB	Output is correct
53	Correct	3 ms	12636 KB	Output is correct
54	Correct	3 ms	12636 KB	Output is correct
55	Correct	117 ms	15052 KB	Output is correct
56	Correct	177 ms	17868 KB	Output is correct
57	Correct	118 ms	17108 KB	Output is correct
58	Correct	117 ms	15060 KB	Output is correct
59	Correct	134 ms	15048 KB	Output is correct
60	Correct	133 ms	14536 KB	Output is correct
61	Correct	144 ms	15032 KB	Output is correct
62	Correct	182 ms	18892 KB	Output is correct
63	Correct	158 ms	15084 KB	Output is correct
64	Correct	156 ms	17608 KB	Output is correct
65	Correct	135 ms	13776 KB	Output is correct
66	Correct	131 ms	14288 KB	Output is correct
67	Correct	177 ms	18632 KB	Output is correct
68	Correct	184 ms	17620 KB	Output is correct
69	Correct	119 ms	15048 KB	Output is correct
70	Correct	173 ms	17612 KB	Output is correct
71	Correct	1303 ms	17868 KB	Output is correct
72	Correct	119 ms	15052 KB	Output is correct
73	Correct	135 ms	14976 KB	Output is correct
74	Correct	161 ms	15080 KB	Output is correct
75	Correct	206 ms	17888 KB	Output is correct
76	Correct	151 ms	14760 KB	Output is correct
77	Correct	159 ms	17828 KB	Output is correct
78	Correct	170 ms	18680 KB	Output is correct
79	Correct	152 ms	13728 KB	Output is correct
80	Correct	166 ms	14564 KB	Output is correct
81	Correct	182 ms	18120 KB	Output is correct
82	Correct	196 ms	18124 KB	Output is correct
83	Correct	93 ms	14548 KB	Output is correct
84	Correct	136 ms	17104 KB	Output is correct
85	Correct	89 ms	17352 KB	Output is correct
86	Correct	97 ms	14544 KB	Output is correct
87	Correct	130 ms	14724 KB	Output is correct
88	Correct	166 ms	16840 KB	Output is correct
89	Correct	139 ms	14540 KB	Output is correct
90	Correct	130 ms	17352 KB	Output is correct
91	Correct	106 ms	13524 KB	Output is correct
92	Correct	139 ms	14704 KB	Output is correct
93	Correct	164 ms	16840 KB	Output is correct
94	Correct	127 ms	15016 KB	Output is correct
95	Execution timed out	2056 ms	18896 KB	Time limit exceeded
96	Halted	0 ms	0 KB	-

답안 #926253

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