답안 #926248

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
926248	2024-02-12T17:50:28 Z	mansur	Joker (BOI20_joker)	C++17	71 / 100	2000 ms	18892 KB

Joker

#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,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

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	12380 KB	Output is correct
2	Correct	2 ms	12380 KB	Output is correct
3	Correct	2 ms	12380 KB	Output is correct
4	Correct	3 ms	12380 KB	Output is correct
5	Correct	2 ms	12380 KB	Output is correct
6	Correct	2 ms	12376 KB	Output is correct
7	Correct	2 ms	12380 KB	Output is correct
8	Correct	3 ms	12380 KB	Output is correct
9	Correct	2 ms	12380 KB	Output is correct
10	Correct	3 ms	12380 KB	Output is correct
11	Correct	3 ms	12376 KB	Output is correct
12	Correct	2 ms	12380 KB	Output is correct
13	Correct	3 ms	12380 KB	Output is correct
14	Correct	2 ms	12380 KB	Output is correct
15	Correct	2 ms	12380 KB	Output is correct
16	Correct	3 ms	12380 KB	Output is correct
17	Correct	3 ms	12380 KB	Output is correct
18	Correct	2 ms	12380 KB	Output is correct
19	Correct	2 ms	12376 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	12380 KB	Output is correct
23	Correct	3 ms	12380 KB	Output is correct
24	Correct	2 ms	12380 KB	Output is correct
25	Correct	3 ms	12628 KB	Output is correct
26	Correct	2 ms	12380 KB	Output is correct
27	Correct	3 ms	12560 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	12380 KB	Output is correct
2	Correct	2 ms	12380 KB	Output is correct
3	Correct	2 ms	12380 KB	Output is correct
4	Correct	3 ms	12380 KB	Output is correct
5	Correct	2 ms	12380 KB	Output is correct
6	Correct	2 ms	12376 KB	Output is correct
7	Correct	2 ms	12380 KB	Output is correct
8	Correct	3 ms	12380 KB	Output is correct
9	Correct	2 ms	12380 KB	Output is correct
10	Correct	3 ms	12380 KB	Output is correct
11	Correct	3 ms	12376 KB	Output is correct
12	Correct	2 ms	12380 KB	Output is correct
13	Correct	3 ms	12380 KB	Output is correct
14	Correct	2 ms	12380 KB	Output is correct
15	Correct	2 ms	12380 KB	Output is correct
16	Correct	3 ms	12380 KB	Output is correct
17	Correct	3 ms	12380 KB	Output is correct
18	Correct	2 ms	12380 KB	Output is correct
19	Correct	2 ms	12376 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	12380 KB	Output is correct
23	Correct	3 ms	12380 KB	Output is correct
24	Correct	2 ms	12380 KB	Output is correct
25	Correct	3 ms	12628 KB	Output is correct
26	Correct	2 ms	12380 KB	Output is correct
27	Correct	3 ms	12560 KB	Output is correct
28	Correct	2 ms	12380 KB	Output is correct
29	Correct	3 ms	12636 KB	Output is correct
30	Correct	4 ms	12572 KB	Output is correct
31	Correct	4 ms	12632 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	12636 KB	Output is correct
35	Correct	3 ms	12636 KB	Output is correct
36	Correct	3 ms	12636 KB	Output is correct
37	Correct	5 ms	12676 KB	Output is correct
38	Correct	4 ms	12632 KB	Output is correct
39	Correct	4 ms	12636 KB	Output is correct
40	Correct	4 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	4 ms	12636 KB	Output is correct
46	Correct	3 ms	12636 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	12636 KB	Output is correct
52	Correct	3 ms	12604 KB	Output is correct
53	Correct	3 ms	12632 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	12380 KB	Output is correct
2	Correct	2 ms	12380 KB	Output is correct
3	Correct	118 ms	15196 KB	Output is correct
4	Correct	168 ms	18380 KB	Output is correct
5	Correct	113 ms	17864 KB	Output is correct
6	Correct	115 ms	15020 KB	Output is correct
7	Correct	148 ms	15096 KB	Output is correct
8	Correct	127 ms	14436 KB	Output is correct
9	Correct	138 ms	15052 KB	Output is correct
10	Correct	174 ms	17360 KB	Output is correct
11	Correct	144 ms	15048 KB	Output is correct
12	Correct	152 ms	18336 KB	Output is correct
13	Correct	132 ms	13780 KB	Output is correct
14	Correct	125 ms	14344 KB	Output is correct
15	Correct	201 ms	18132 KB	Output is correct
16	Correct	184 ms	18892 KB	Output is correct

Subtask #4
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	12380 KB	Output is correct
2	Correct	2 ms	12380 KB	Output is correct
3	Correct	2 ms	12380 KB	Output is correct
4	Correct	3 ms	12380 KB	Output is correct
5	Correct	2 ms	12380 KB	Output is correct
6	Correct	2 ms	12376 KB	Output is correct
7	Correct	2 ms	12380 KB	Output is correct
8	Correct	3 ms	12380 KB	Output is correct
9	Correct	2 ms	12380 KB	Output is correct
10	Correct	3 ms	12380 KB	Output is correct
11	Correct	3 ms	12376 KB	Output is correct
12	Correct	2 ms	12380 KB	Output is correct
13	Correct	3 ms	12380 KB	Output is correct
14	Correct	2 ms	12380 KB	Output is correct
15	Correct	2 ms	12380 KB	Output is correct
16	Correct	3 ms	12380 KB	Output is correct
17	Correct	3 ms	12380 KB	Output is correct
18	Correct	2 ms	12380 KB	Output is correct
19	Correct	2 ms	12376 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	12380 KB	Output is correct
23	Correct	3 ms	12380 KB	Output is correct
24	Correct	2 ms	12380 KB	Output is correct
25	Correct	3 ms	12628 KB	Output is correct
26	Correct	2 ms	12380 KB	Output is correct
27	Correct	3 ms	12560 KB	Output is correct
28	Correct	2 ms	12380 KB	Output is correct
29	Correct	118 ms	15196 KB	Output is correct
30	Correct	168 ms	18380 KB	Output is correct
31	Correct	113 ms	17864 KB	Output is correct
32	Correct	115 ms	15020 KB	Output is correct
33	Correct	148 ms	15096 KB	Output is correct
34	Correct	127 ms	14436 KB	Output is correct
35	Correct	138 ms	15052 KB	Output is correct
36	Correct	174 ms	17360 KB	Output is correct
37	Correct	144 ms	15048 KB	Output is correct
38	Correct	152 ms	18336 KB	Output is correct
39	Correct	132 ms	13780 KB	Output is correct
40	Correct	125 ms	14344 KB	Output is correct
41	Correct	201 ms	18132 KB	Output is correct
42	Correct	184 ms	18892 KB	Output is correct
43	Correct	120 ms	15072 KB	Output is correct
44	Correct	179 ms	18644 KB	Output is correct
45	Correct	1345 ms	17864 KB	Output is correct
46	Correct	111 ms	15052 KB	Output is correct
47	Correct	128 ms	15052 KB	Output is correct
48	Correct	162 ms	15048 KB	Output is correct
49	Correct	191 ms	17356 KB	Output is correct
50	Correct	154 ms	14544 KB	Output is correct
51	Correct	155 ms	17868 KB	Output is correct
52	Correct	159 ms	17556 KB	Output is correct
53	Correct	133 ms	13776 KB	Output is correct
54	Correct	148 ms	14652 KB	Output is correct
55	Correct	167 ms	17612 KB	Output is correct
56	Correct	197 ms	18068 KB	Output is correct

Subtask #5
22.0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	12380 KB	Output is correct
2	Correct	2 ms	12380 KB	Output is correct
3	Correct	2 ms	12380 KB	Output is correct
4	Correct	3 ms	12380 KB	Output is correct
5	Correct	2 ms	12380 KB	Output is correct
6	Correct	2 ms	12376 KB	Output is correct
7	Correct	2 ms	12380 KB	Output is correct
8	Correct	3 ms	12380 KB	Output is correct
9	Correct	2 ms	12380 KB	Output is correct
10	Correct	3 ms	12380 KB	Output is correct
11	Correct	3 ms	12376 KB	Output is correct
12	Correct	2 ms	12380 KB	Output is correct
13	Correct	3 ms	12380 KB	Output is correct
14	Correct	2 ms	12380 KB	Output is correct
15	Correct	2 ms	12380 KB	Output is correct
16	Correct	3 ms	12380 KB	Output is correct
17	Correct	3 ms	12380 KB	Output is correct
18	Correct	2 ms	12380 KB	Output is correct
19	Correct	2 ms	12376 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	12380 KB	Output is correct
23	Correct	3 ms	12380 KB	Output is correct
24	Correct	2 ms	12380 KB	Output is correct
25	Correct	3 ms	12628 KB	Output is correct
26	Correct	2 ms	12380 KB	Output is correct
27	Correct	3 ms	12560 KB	Output is correct
28	Correct	2 ms	12380 KB	Output is correct
29	Correct	3 ms	12636 KB	Output is correct
30	Correct	4 ms	12572 KB	Output is correct
31	Correct	4 ms	12632 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	12636 KB	Output is correct
35	Correct	3 ms	12636 KB	Output is correct
36	Correct	3 ms	12636 KB	Output is correct
37	Correct	5 ms	12676 KB	Output is correct
38	Correct	4 ms	12632 KB	Output is correct
39	Correct	4 ms	12636 KB	Output is correct
40	Correct	4 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	4 ms	12636 KB	Output is correct
46	Correct	3 ms	12636 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	12636 KB	Output is correct
52	Correct	3 ms	12604 KB	Output is correct
53	Correct	3 ms	12632 KB	Output is correct
54	Correct	3 ms	12636 KB	Output is correct
55	Correct	102 ms	14540 KB	Output is correct
56	Correct	143 ms	18444 KB	Output is correct
57	Correct	92 ms	18084 KB	Output is correct
58	Correct	94 ms	14772 KB	Output is correct
59	Correct	126 ms	14760 KB	Output is correct
60	Correct	169 ms	18068 KB	Output is correct
61	Correct	145 ms	14756 KB	Output is correct
62	Correct	129 ms	18348 KB	Output is correct
63	Correct	106 ms	13752 KB	Output is correct
64	Correct	141 ms	14704 KB	Output is correct
65	Correct	175 ms	18592 KB	Output is correct

Subtask #6
0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	12380 KB	Output is correct
2	Correct	2 ms	12380 KB	Output is correct
3	Correct	2 ms	12380 KB	Output is correct
4	Correct	3 ms	12380 KB	Output is correct
5	Correct	2 ms	12380 KB	Output is correct
6	Correct	2 ms	12376 KB	Output is correct
7	Correct	2 ms	12380 KB	Output is correct
8	Correct	3 ms	12380 KB	Output is correct
9	Correct	2 ms	12380 KB	Output is correct
10	Correct	3 ms	12380 KB	Output is correct
11	Correct	3 ms	12376 KB	Output is correct
12	Correct	2 ms	12380 KB	Output is correct
13	Correct	3 ms	12380 KB	Output is correct
14	Correct	2 ms	12380 KB	Output is correct
15	Correct	2 ms	12380 KB	Output is correct
16	Correct	3 ms	12380 KB	Output is correct
17	Correct	3 ms	12380 KB	Output is correct
18	Correct	2 ms	12380 KB	Output is correct
19	Correct	2 ms	12376 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	12380 KB	Output is correct
23	Correct	3 ms	12380 KB	Output is correct
24	Correct	2 ms	12380 KB	Output is correct
25	Correct	3 ms	12628 KB	Output is correct
26	Correct	2 ms	12380 KB	Output is correct
27	Correct	3 ms	12560 KB	Output is correct
28	Correct	2 ms	12380 KB	Output is correct
29	Correct	3 ms	12636 KB	Output is correct
30	Correct	4 ms	12572 KB	Output is correct
31	Correct	4 ms	12632 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	12636 KB	Output is correct
35	Correct	3 ms	12636 KB	Output is correct
36	Correct	3 ms	12636 KB	Output is correct
37	Correct	5 ms	12676 KB	Output is correct
38	Correct	4 ms	12632 KB	Output is correct
39	Correct	4 ms	12636 KB	Output is correct
40	Correct	4 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	4 ms	12636 KB	Output is correct
46	Correct	3 ms	12636 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	12636 KB	Output is correct
52	Correct	3 ms	12604 KB	Output is correct
53	Correct	3 ms	12632 KB	Output is correct
54	Correct	3 ms	12636 KB	Output is correct
55	Correct	118 ms	15196 KB	Output is correct
56	Correct	168 ms	18380 KB	Output is correct
57	Correct	113 ms	17864 KB	Output is correct
58	Correct	115 ms	15020 KB	Output is correct
59	Correct	148 ms	15096 KB	Output is correct
60	Correct	127 ms	14436 KB	Output is correct
61	Correct	138 ms	15052 KB	Output is correct
62	Correct	174 ms	17360 KB	Output is correct
63	Correct	144 ms	15048 KB	Output is correct
64	Correct	152 ms	18336 KB	Output is correct
65	Correct	132 ms	13780 KB	Output is correct
66	Correct	125 ms	14344 KB	Output is correct
67	Correct	201 ms	18132 KB	Output is correct
68	Correct	184 ms	18892 KB	Output is correct
69	Correct	120 ms	15072 KB	Output is correct
70	Correct	179 ms	18644 KB	Output is correct
71	Correct	1345 ms	17864 KB	Output is correct
72	Correct	111 ms	15052 KB	Output is correct
73	Correct	128 ms	15052 KB	Output is correct
74	Correct	162 ms	15048 KB	Output is correct
75	Correct	191 ms	17356 KB	Output is correct
76	Correct	154 ms	14544 KB	Output is correct
77	Correct	155 ms	17868 KB	Output is correct
78	Correct	159 ms	17556 KB	Output is correct
79	Correct	133 ms	13776 KB	Output is correct
80	Correct	148 ms	14652 KB	Output is correct
81	Correct	167 ms	17612 KB	Output is correct
82	Correct	197 ms	18068 KB	Output is correct
83	Correct	102 ms	14540 KB	Output is correct
84	Correct	143 ms	18444 KB	Output is correct
85	Correct	92 ms	18084 KB	Output is correct
86	Correct	94 ms	14772 KB	Output is correct
87	Correct	126 ms	14760 KB	Output is correct
88	Correct	169 ms	18068 KB	Output is correct
89	Correct	145 ms	14756 KB	Output is correct
90	Correct	129 ms	18348 KB	Output is correct
91	Correct	106 ms	13752 KB	Output is correct
92	Correct	141 ms	14704 KB	Output is correct
93	Correct	175 ms	18592 KB	Output is correct
94	Correct	135 ms	15048 KB	Output is correct
95	Execution timed out	2027 ms	17700 KB	Time limit exceeded
96	Halted	0 ms	0 KB	-

답안 #926248

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