답안 #926240

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
926240	2024-02-12T17:41:37 Z	mansur	Joker (BOI20_joker)	C++17	71 / 100	2000 ms	18640 KB

Joker

#pragma GCC optimize("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<array<int, 2>> 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)};
}

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];
}

void rb() {
	while (sz(h) && !pt[sz(h)]) {
		array<int, 2> x = h.back();
		h.pop_back();
		if (x[0] == -1) {
			ok = 1;
			continue;
		}
		p[x[0]] = x[0];
		pr[x[0]] = 0;
		sz[x[0]] = x[1];
	}
	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();
	}
}
//wenomechainsama

Compilation message

Joker.cpp:127:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
  127 | 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	12596 KB	Output is correct
7	Correct	2 ms	12380 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	2 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	2 ms	12380 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	12600 KB	Output is correct
20	Correct	2 ms	12380 KB	Output is correct
21	Correct	2 ms	12604 KB	Output is correct
22	Correct	2 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	12376 KB	Output is correct
27	Correct	2 ms	12632 KB	Output is correct
28	Correct	3 ms	12376 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	12596 KB	Output is correct
7	Correct	2 ms	12380 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	2 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	2 ms	12380 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	12600 KB	Output is correct
20	Correct	2 ms	12380 KB	Output is correct
21	Correct	2 ms	12604 KB	Output is correct
22	Correct	2 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	12376 KB	Output is correct
27	Correct	2 ms	12632 KB	Output is correct
28	Correct	3 ms	12376 KB	Output is correct
29	Correct	3 ms	12888 KB	Output is correct
30	Correct	3 ms	12632 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	12568 KB	Output is correct
34	Correct	3 ms	12636 KB	Output is correct
35	Correct	4 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	12560 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	3 ms	12636 KB	Output is correct
44	Correct	3 ms	12596 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	3 ms	12636 KB	Output is correct
49	Correct	3 ms	12636 KB	Output is correct
50	Correct	3 ms	12636 KB	Output is correct
51	Correct	3 ms	12632 KB	Output is correct
52	Correct	3 ms	12636 KB	Output is correct
53	Correct	3 ms	12636 KB	Output is correct
54	Correct	3 ms	12632 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	110 ms	15056 KB	Output is correct
4	Correct	170 ms	17352 KB	Output is correct
5	Correct	113 ms	18340 KB	Output is correct
6	Correct	120 ms	14996 KB	Output is correct
7	Correct	130 ms	15052 KB	Output is correct
8	Correct	124 ms	14540 KB	Output is correct
9	Correct	141 ms	15052 KB	Output is correct
10	Correct	177 ms	18380 KB	Output is correct
11	Correct	144 ms	14868 KB	Output is correct
12	Correct	148 ms	17060 KB	Output is correct
13	Correct	133 ms	13720 KB	Output is correct
14	Correct	131 ms	14284 KB	Output is correct
15	Correct	177 ms	18380 KB	Output is correct
16	Correct	179 ms	18120 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	12596 KB	Output is correct
7	Correct	2 ms	12380 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	2 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	2 ms	12380 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	12600 KB	Output is correct
20	Correct	2 ms	12380 KB	Output is correct
21	Correct	2 ms	12604 KB	Output is correct
22	Correct	2 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	12376 KB	Output is correct
27	Correct	2 ms	12632 KB	Output is correct
28	Correct	3 ms	12376 KB	Output is correct
29	Correct	110 ms	15056 KB	Output is correct
30	Correct	170 ms	17352 KB	Output is correct
31	Correct	113 ms	18340 KB	Output is correct
32	Correct	120 ms	14996 KB	Output is correct
33	Correct	130 ms	15052 KB	Output is correct
34	Correct	124 ms	14540 KB	Output is correct
35	Correct	141 ms	15052 KB	Output is correct
36	Correct	177 ms	18380 KB	Output is correct
37	Correct	144 ms	14868 KB	Output is correct
38	Correct	148 ms	17060 KB	Output is correct
39	Correct	133 ms	13720 KB	Output is correct
40	Correct	131 ms	14284 KB	Output is correct
41	Correct	177 ms	18380 KB	Output is correct
42	Correct	179 ms	18120 KB	Output is correct
43	Correct	113 ms	15048 KB	Output is correct
44	Correct	184 ms	18576 KB	Output is correct
45	Correct	1309 ms	18588 KB	Output is correct
46	Correct	111 ms	15052 KB	Output is correct
47	Correct	130 ms	15004 KB	Output is correct
48	Correct	152 ms	15052 KB	Output is correct
49	Correct	183 ms	18128 KB	Output is correct
50	Correct	140 ms	14756 KB	Output is correct
51	Correct	151 ms	17608 KB	Output is correct
52	Correct	157 ms	17576 KB	Output is correct
53	Correct	136 ms	13804 KB	Output is correct
54	Correct	148 ms	14764 KB	Output is correct
55	Correct	171 ms	17096 KB	Output is correct
56	Correct	183 ms	18116 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	12596 KB	Output is correct
7	Correct	2 ms	12380 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	2 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	2 ms	12380 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	12600 KB	Output is correct
20	Correct	2 ms	12380 KB	Output is correct
21	Correct	2 ms	12604 KB	Output is correct
22	Correct	2 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	12376 KB	Output is correct
27	Correct	2 ms	12632 KB	Output is correct
28	Correct	3 ms	12376 KB	Output is correct
29	Correct	3 ms	12888 KB	Output is correct
30	Correct	3 ms	12632 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	12568 KB	Output is correct
34	Correct	3 ms	12636 KB	Output is correct
35	Correct	4 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	12560 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	3 ms	12636 KB	Output is correct
44	Correct	3 ms	12596 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	3 ms	12636 KB	Output is correct
49	Correct	3 ms	12636 KB	Output is correct
50	Correct	3 ms	12636 KB	Output is correct
51	Correct	3 ms	12632 KB	Output is correct
52	Correct	3 ms	12636 KB	Output is correct
53	Correct	3 ms	12636 KB	Output is correct
54	Correct	3 ms	12632 KB	Output is correct
55	Correct	89 ms	14544 KB	Output is correct
56	Correct	129 ms	18120 KB	Output is correct
57	Correct	87 ms	18640 KB	Output is correct
58	Correct	90 ms	14804 KB	Output is correct
59	Correct	132 ms	14552 KB	Output is correct
60	Correct	160 ms	17736 KB	Output is correct
61	Correct	132 ms	14748 KB	Output is correct
62	Correct	129 ms	17100 KB	Output is correct
63	Correct	106 ms	14204 KB	Output is correct
64	Correct	139 ms	14764 KB	Output is correct
65	Correct	162 ms	18640 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	12596 KB	Output is correct
7	Correct	2 ms	12380 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	2 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	2 ms	12380 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	12600 KB	Output is correct
20	Correct	2 ms	12380 KB	Output is correct
21	Correct	2 ms	12604 KB	Output is correct
22	Correct	2 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	12376 KB	Output is correct
27	Correct	2 ms	12632 KB	Output is correct
28	Correct	3 ms	12376 KB	Output is correct
29	Correct	3 ms	12888 KB	Output is correct
30	Correct	3 ms	12632 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	12568 KB	Output is correct
34	Correct	3 ms	12636 KB	Output is correct
35	Correct	4 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	12560 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	3 ms	12636 KB	Output is correct
44	Correct	3 ms	12596 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	3 ms	12636 KB	Output is correct
49	Correct	3 ms	12636 KB	Output is correct
50	Correct	3 ms	12636 KB	Output is correct
51	Correct	3 ms	12632 KB	Output is correct
52	Correct	3 ms	12636 KB	Output is correct
53	Correct	3 ms	12636 KB	Output is correct
54	Correct	3 ms	12632 KB	Output is correct
55	Correct	110 ms	15056 KB	Output is correct
56	Correct	170 ms	17352 KB	Output is correct
57	Correct	113 ms	18340 KB	Output is correct
58	Correct	120 ms	14996 KB	Output is correct
59	Correct	130 ms	15052 KB	Output is correct
60	Correct	124 ms	14540 KB	Output is correct
61	Correct	141 ms	15052 KB	Output is correct
62	Correct	177 ms	18380 KB	Output is correct
63	Correct	144 ms	14868 KB	Output is correct
64	Correct	148 ms	17060 KB	Output is correct
65	Correct	133 ms	13720 KB	Output is correct
66	Correct	131 ms	14284 KB	Output is correct
67	Correct	177 ms	18380 KB	Output is correct
68	Correct	179 ms	18120 KB	Output is correct
69	Correct	113 ms	15048 KB	Output is correct
70	Correct	184 ms	18576 KB	Output is correct
71	Correct	1309 ms	18588 KB	Output is correct
72	Correct	111 ms	15052 KB	Output is correct
73	Correct	130 ms	15004 KB	Output is correct
74	Correct	152 ms	15052 KB	Output is correct
75	Correct	183 ms	18128 KB	Output is correct
76	Correct	140 ms	14756 KB	Output is correct
77	Correct	151 ms	17608 KB	Output is correct
78	Correct	157 ms	17576 KB	Output is correct
79	Correct	136 ms	13804 KB	Output is correct
80	Correct	148 ms	14764 KB	Output is correct
81	Correct	171 ms	17096 KB	Output is correct
82	Correct	183 ms	18116 KB	Output is correct
83	Correct	89 ms	14544 KB	Output is correct
84	Correct	129 ms	18120 KB	Output is correct
85	Correct	87 ms	18640 KB	Output is correct
86	Correct	90 ms	14804 KB	Output is correct
87	Correct	132 ms	14552 KB	Output is correct
88	Correct	160 ms	17736 KB	Output is correct
89	Correct	132 ms	14748 KB	Output is correct
90	Correct	129 ms	17100 KB	Output is correct
91	Correct	106 ms	14204 KB	Output is correct
92	Correct	139 ms	14764 KB	Output is correct
93	Correct	162 ms	18640 KB	Output is correct
94	Correct	124 ms	15324 KB	Output is correct
95	Execution timed out	2037 ms	18640 KB	Time limit exceeded
96	Halted	0 ms	0 KB	-

답안 #926240

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