답안 #926295

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
926295	2024-02-12T18:30:18 Z	mansur	Joker (BOI20_joker)	C++17	71 / 100	165 ms	28920 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 = 1e6 + 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], pr[N];
int sz[N], pt[N];
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);
	if (ps[m] == tr + 1) {
		for (int i = m + 1; i <= r; i++) 
			ps[i] = tr + 1;
	}else f(m + 1, r, tr);
	rb();
	if (!ps[m]) return;
	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;
		l = max(l, 1);
		r = min(r, m);
		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:134:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
  134 | main() {
      | ^~~~

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	16472 KB	Output is correct
2	Correct	3 ms	16472 KB	Output is correct
3	Correct	4 ms	16504 KB	Output is correct
4	Correct	3 ms	16476 KB	Output is correct
5	Correct	3 ms	16476 KB	Output is correct
6	Correct	4 ms	16476 KB	Output is correct
7	Correct	3 ms	16476 KB	Output is correct
8	Correct	3 ms	16296 KB	Output is correct
9	Correct	4 ms	16476 KB	Output is correct
10	Correct	4 ms	16476 KB	Output is correct
11	Correct	3 ms	16476 KB	Output is correct
12	Correct	4 ms	16476 KB	Output is correct
13	Correct	3 ms	16476 KB	Output is correct
14	Correct	3 ms	16476 KB	Output is correct
15	Correct	3 ms	16476 KB	Output is correct
16	Correct	5 ms	16476 KB	Output is correct
17	Correct	4 ms	16488 KB	Output is correct
18	Correct	3 ms	16472 KB	Output is correct
19	Correct	3 ms	16472 KB	Output is correct
20	Correct	3 ms	16476 KB	Output is correct
21	Correct	4 ms	16476 KB	Output is correct
22	Correct	4 ms	16496 KB	Output is correct
23	Correct	4 ms	16476 KB	Output is correct
24	Correct	4 ms	16476 KB	Output is correct
25	Correct	3 ms	16476 KB	Output is correct
26	Correct	4 ms	16728 KB	Output is correct
27	Correct	3 ms	16476 KB	Output is correct
28	Correct	3 ms	16476 KB	Output is correct

Subtask #2
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	16472 KB	Output is correct
2	Correct	3 ms	16472 KB	Output is correct
3	Correct	4 ms	16504 KB	Output is correct
4	Correct	3 ms	16476 KB	Output is correct
5	Correct	3 ms	16476 KB	Output is correct
6	Correct	4 ms	16476 KB	Output is correct
7	Correct	3 ms	16476 KB	Output is correct
8	Correct	3 ms	16296 KB	Output is correct
9	Correct	4 ms	16476 KB	Output is correct
10	Correct	4 ms	16476 KB	Output is correct
11	Correct	3 ms	16476 KB	Output is correct
12	Correct	4 ms	16476 KB	Output is correct
13	Correct	3 ms	16476 KB	Output is correct
14	Correct	3 ms	16476 KB	Output is correct
15	Correct	3 ms	16476 KB	Output is correct
16	Correct	5 ms	16476 KB	Output is correct
17	Correct	4 ms	16488 KB	Output is correct
18	Correct	3 ms	16472 KB	Output is correct
19	Correct	3 ms	16472 KB	Output is correct
20	Correct	3 ms	16476 KB	Output is correct
21	Correct	4 ms	16476 KB	Output is correct
22	Correct	4 ms	16496 KB	Output is correct
23	Correct	4 ms	16476 KB	Output is correct
24	Correct	4 ms	16476 KB	Output is correct
25	Correct	3 ms	16476 KB	Output is correct
26	Correct	4 ms	16728 KB	Output is correct
27	Correct	3 ms	16476 KB	Output is correct
28	Correct	3 ms	16476 KB	Output is correct
29	Correct	4 ms	16476 KB	Output is correct
30	Correct	4 ms	16476 KB	Output is correct
31	Correct	5 ms	16472 KB	Output is correct
32	Correct	4 ms	16476 KB	Output is correct
33	Correct	4 ms	16472 KB	Output is correct
34	Correct	4 ms	16476 KB	Output is correct
35	Correct	5 ms	16476 KB	Output is correct
36	Correct	4 ms	16476 KB	Output is correct
37	Correct	4 ms	16476 KB	Output is correct
38	Correct	3 ms	16520 KB	Output is correct
39	Correct	4 ms	16476 KB	Output is correct
40	Correct	4 ms	16476 KB	Output is correct
41	Correct	4 ms	16476 KB	Output is correct
42	Correct	5 ms	16476 KB	Output is correct
43	Correct	4 ms	16476 KB	Output is correct
44	Correct	5 ms	16476 KB	Output is correct
45	Correct	4 ms	16476 KB	Output is correct
46	Correct	5 ms	16476 KB	Output is correct
47	Correct	4 ms	16564 KB	Output is correct
48	Correct	4 ms	16476 KB	Output is correct
49	Correct	4 ms	16440 KB	Output is correct
50	Correct	4 ms	16476 KB	Output is correct
51	Correct	4 ms	16512 KB	Output is correct
52	Correct	4 ms	16476 KB	Output is correct
53	Correct	4 ms	16476 KB	Output is correct
54	Correct	5 ms	16728 KB	Output is correct

Subtask #3
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	16472 KB	Output is correct
2	Correct	3 ms	16472 KB	Output is correct
3	Correct	116 ms	21048 KB	Output is correct
4	Correct	63 ms	25592 KB	Output is correct
5	Correct	112 ms	25292 KB	Output is correct
6	Correct	99 ms	21364 KB	Output is correct
7	Correct	104 ms	21648 KB	Output is correct
8	Correct	103 ms	20504 KB	Output is correct
9	Correct	113 ms	21276 KB	Output is correct
10	Correct	153 ms	28920 KB	Output is correct
11	Correct	122 ms	21208 KB	Output is correct
12	Correct	140 ms	25068 KB	Output is correct
13	Correct	109 ms	19764 KB	Output is correct
14	Correct	111 ms	20588 KB	Output is correct
15	Correct	150 ms	21524 KB	Output is correct
16	Correct	159 ms	28644 KB	Output is correct

Subtask #4
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	16472 KB	Output is correct
2	Correct	3 ms	16472 KB	Output is correct
3	Correct	4 ms	16504 KB	Output is correct
4	Correct	3 ms	16476 KB	Output is correct
5	Correct	3 ms	16476 KB	Output is correct
6	Correct	4 ms	16476 KB	Output is correct
7	Correct	3 ms	16476 KB	Output is correct
8	Correct	3 ms	16296 KB	Output is correct
9	Correct	4 ms	16476 KB	Output is correct
10	Correct	4 ms	16476 KB	Output is correct
11	Correct	3 ms	16476 KB	Output is correct
12	Correct	4 ms	16476 KB	Output is correct
13	Correct	3 ms	16476 KB	Output is correct
14	Correct	3 ms	16476 KB	Output is correct
15	Correct	3 ms	16476 KB	Output is correct
16	Correct	5 ms	16476 KB	Output is correct
17	Correct	4 ms	16488 KB	Output is correct
18	Correct	3 ms	16472 KB	Output is correct
19	Correct	3 ms	16472 KB	Output is correct
20	Correct	3 ms	16476 KB	Output is correct
21	Correct	4 ms	16476 KB	Output is correct
22	Correct	4 ms	16496 KB	Output is correct
23	Correct	4 ms	16476 KB	Output is correct
24	Correct	4 ms	16476 KB	Output is correct
25	Correct	3 ms	16476 KB	Output is correct
26	Correct	4 ms	16728 KB	Output is correct
27	Correct	3 ms	16476 KB	Output is correct
28	Correct	3 ms	16476 KB	Output is correct
29	Correct	116 ms	21048 KB	Output is correct
30	Correct	63 ms	25592 KB	Output is correct
31	Correct	112 ms	25292 KB	Output is correct
32	Correct	99 ms	21364 KB	Output is correct
33	Correct	104 ms	21648 KB	Output is correct
34	Correct	103 ms	20504 KB	Output is correct
35	Correct	113 ms	21276 KB	Output is correct
36	Correct	153 ms	28920 KB	Output is correct
37	Correct	122 ms	21208 KB	Output is correct
38	Correct	140 ms	25068 KB	Output is correct
39	Correct	109 ms	19764 KB	Output is correct
40	Correct	111 ms	20588 KB	Output is correct
41	Correct	150 ms	21524 KB	Output is correct
42	Correct	159 ms	28644 KB	Output is correct
43	Correct	116 ms	20940 KB	Output is correct
44	Correct	71 ms	25548 KB	Output is correct
45	Correct	165 ms	28360 KB	Output is correct
46	Correct	95 ms	21452 KB	Output is correct
47	Correct	98 ms	21448 KB	Output is correct
48	Correct	135 ms	21316 KB	Output is correct
49	Correct	163 ms	27340 KB	Output is correct
50	Correct	120 ms	20848 KB	Output is correct
51	Correct	134 ms	21484 KB	Output is correct
52	Correct	138 ms	28876 KB	Output is correct
53	Correct	113 ms	19920 KB	Output is correct
54	Correct	130 ms	20816 KB	Output is correct
55	Correct	152 ms	21704 KB	Output is correct
56	Correct	158 ms	28368 KB	Output is correct

Subtask #5
22.0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	16472 KB	Output is correct
2	Correct	3 ms	16472 KB	Output is correct
3	Correct	4 ms	16504 KB	Output is correct
4	Correct	3 ms	16476 KB	Output is correct
5	Correct	3 ms	16476 KB	Output is correct
6	Correct	4 ms	16476 KB	Output is correct
7	Correct	3 ms	16476 KB	Output is correct
8	Correct	3 ms	16296 KB	Output is correct
9	Correct	4 ms	16476 KB	Output is correct
10	Correct	4 ms	16476 KB	Output is correct
11	Correct	3 ms	16476 KB	Output is correct
12	Correct	4 ms	16476 KB	Output is correct
13	Correct	3 ms	16476 KB	Output is correct
14	Correct	3 ms	16476 KB	Output is correct
15	Correct	3 ms	16476 KB	Output is correct
16	Correct	5 ms	16476 KB	Output is correct
17	Correct	4 ms	16488 KB	Output is correct
18	Correct	3 ms	16472 KB	Output is correct
19	Correct	3 ms	16472 KB	Output is correct
20	Correct	3 ms	16476 KB	Output is correct
21	Correct	4 ms	16476 KB	Output is correct
22	Correct	4 ms	16496 KB	Output is correct
23	Correct	4 ms	16476 KB	Output is correct
24	Correct	4 ms	16476 KB	Output is correct
25	Correct	3 ms	16476 KB	Output is correct
26	Correct	4 ms	16728 KB	Output is correct
27	Correct	3 ms	16476 KB	Output is correct
28	Correct	3 ms	16476 KB	Output is correct
29	Correct	4 ms	16476 KB	Output is correct
30	Correct	4 ms	16476 KB	Output is correct
31	Correct	5 ms	16472 KB	Output is correct
32	Correct	4 ms	16476 KB	Output is correct
33	Correct	4 ms	16472 KB	Output is correct
34	Correct	4 ms	16476 KB	Output is correct
35	Correct	5 ms	16476 KB	Output is correct
36	Correct	4 ms	16476 KB	Output is correct
37	Correct	4 ms	16476 KB	Output is correct
38	Correct	3 ms	16520 KB	Output is correct
39	Correct	4 ms	16476 KB	Output is correct
40	Correct	4 ms	16476 KB	Output is correct
41	Correct	4 ms	16476 KB	Output is correct
42	Correct	5 ms	16476 KB	Output is correct
43	Correct	4 ms	16476 KB	Output is correct
44	Correct	5 ms	16476 KB	Output is correct
45	Correct	4 ms	16476 KB	Output is correct
46	Correct	5 ms	16476 KB	Output is correct
47	Correct	4 ms	16564 KB	Output is correct
48	Correct	4 ms	16476 KB	Output is correct
49	Correct	4 ms	16440 KB	Output is correct
50	Correct	4 ms	16476 KB	Output is correct
51	Correct	4 ms	16512 KB	Output is correct
52	Correct	4 ms	16476 KB	Output is correct
53	Correct	4 ms	16476 KB	Output is correct
54	Correct	5 ms	16728 KB	Output is correct
55	Correct	89 ms	20424 KB	Output is correct
56	Correct	42 ms	25804 KB	Output is correct
57	Correct	85 ms	25548 KB	Output is correct
58	Correct	75 ms	20844 KB	Output is correct
59	Correct	100 ms	20424 KB	Output is correct
60	Correct	133 ms	23100 KB	Output is correct
61	Correct	109 ms	20424 KB	Output is correct
62	Correct	122 ms	24776 KB	Output is correct
63	Correct	98 ms	19408 KB	Output is correct
64	Correct	111 ms	20684 KB	Output is correct
65	Correct	135 ms	26164 KB	Output is correct

Subtask #6
0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	16472 KB	Output is correct
2	Correct	3 ms	16472 KB	Output is correct
3	Correct	4 ms	16504 KB	Output is correct
4	Correct	3 ms	16476 KB	Output is correct
5	Correct	3 ms	16476 KB	Output is correct
6	Correct	4 ms	16476 KB	Output is correct
7	Correct	3 ms	16476 KB	Output is correct
8	Correct	3 ms	16296 KB	Output is correct
9	Correct	4 ms	16476 KB	Output is correct
10	Correct	4 ms	16476 KB	Output is correct
11	Correct	3 ms	16476 KB	Output is correct
12	Correct	4 ms	16476 KB	Output is correct
13	Correct	3 ms	16476 KB	Output is correct
14	Correct	3 ms	16476 KB	Output is correct
15	Correct	3 ms	16476 KB	Output is correct
16	Correct	5 ms	16476 KB	Output is correct
17	Correct	4 ms	16488 KB	Output is correct
18	Correct	3 ms	16472 KB	Output is correct
19	Correct	3 ms	16472 KB	Output is correct
20	Correct	3 ms	16476 KB	Output is correct
21	Correct	4 ms	16476 KB	Output is correct
22	Correct	4 ms	16496 KB	Output is correct
23	Correct	4 ms	16476 KB	Output is correct
24	Correct	4 ms	16476 KB	Output is correct
25	Correct	3 ms	16476 KB	Output is correct
26	Correct	4 ms	16728 KB	Output is correct
27	Correct	3 ms	16476 KB	Output is correct
28	Correct	3 ms	16476 KB	Output is correct
29	Correct	4 ms	16476 KB	Output is correct
30	Correct	4 ms	16476 KB	Output is correct
31	Correct	5 ms	16472 KB	Output is correct
32	Correct	4 ms	16476 KB	Output is correct
33	Correct	4 ms	16472 KB	Output is correct
34	Correct	4 ms	16476 KB	Output is correct
35	Correct	5 ms	16476 KB	Output is correct
36	Correct	4 ms	16476 KB	Output is correct
37	Correct	4 ms	16476 KB	Output is correct
38	Correct	3 ms	16520 KB	Output is correct
39	Correct	4 ms	16476 KB	Output is correct
40	Correct	4 ms	16476 KB	Output is correct
41	Correct	4 ms	16476 KB	Output is correct
42	Correct	5 ms	16476 KB	Output is correct
43	Correct	4 ms	16476 KB	Output is correct
44	Correct	5 ms	16476 KB	Output is correct
45	Correct	4 ms	16476 KB	Output is correct
46	Correct	5 ms	16476 KB	Output is correct
47	Correct	4 ms	16564 KB	Output is correct
48	Correct	4 ms	16476 KB	Output is correct
49	Correct	4 ms	16440 KB	Output is correct
50	Correct	4 ms	16476 KB	Output is correct
51	Correct	4 ms	16512 KB	Output is correct
52	Correct	4 ms	16476 KB	Output is correct
53	Correct	4 ms	16476 KB	Output is correct
54	Correct	5 ms	16728 KB	Output is correct
55	Correct	116 ms	21048 KB	Output is correct
56	Correct	63 ms	25592 KB	Output is correct
57	Correct	112 ms	25292 KB	Output is correct
58	Correct	99 ms	21364 KB	Output is correct
59	Correct	104 ms	21648 KB	Output is correct
60	Correct	103 ms	20504 KB	Output is correct
61	Correct	113 ms	21276 KB	Output is correct
62	Correct	153 ms	28920 KB	Output is correct
63	Correct	122 ms	21208 KB	Output is correct
64	Correct	140 ms	25068 KB	Output is correct
65	Correct	109 ms	19764 KB	Output is correct
66	Correct	111 ms	20588 KB	Output is correct
67	Correct	150 ms	21524 KB	Output is correct
68	Correct	159 ms	28644 KB	Output is correct
69	Correct	116 ms	20940 KB	Output is correct
70	Correct	71 ms	25548 KB	Output is correct
71	Correct	165 ms	28360 KB	Output is correct
72	Correct	95 ms	21452 KB	Output is correct
73	Correct	98 ms	21448 KB	Output is correct
74	Correct	135 ms	21316 KB	Output is correct
75	Correct	163 ms	27340 KB	Output is correct
76	Correct	120 ms	20848 KB	Output is correct
77	Correct	134 ms	21484 KB	Output is correct
78	Correct	138 ms	28876 KB	Output is correct
79	Correct	113 ms	19920 KB	Output is correct
80	Correct	130 ms	20816 KB	Output is correct
81	Correct	152 ms	21704 KB	Output is correct
82	Correct	158 ms	28368 KB	Output is correct
83	Correct	89 ms	20424 KB	Output is correct
84	Correct	42 ms	25804 KB	Output is correct
85	Correct	85 ms	25548 KB	Output is correct
86	Correct	75 ms	20844 KB	Output is correct
87	Correct	100 ms	20424 KB	Output is correct
88	Correct	133 ms	23100 KB	Output is correct
89	Correct	109 ms	20424 KB	Output is correct
90	Correct	122 ms	24776 KB	Output is correct
91	Correct	98 ms	19408 KB	Output is correct
92	Correct	111 ms	20684 KB	Output is correct
93	Correct	135 ms	26164 KB	Output is correct
94	Correct	119 ms	20972 KB	Output is correct
95	Incorrect	116 ms	27368 KB	Output isn't correct
96	Halted	0 ms	0 KB	-

답안 #926295

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