답안 #926211

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
926211	2024-02-12T17:22:03 Z	vjudge1	Joker (BOI20_joker)	C++17	71 / 100	2000 ms	19480 KB

Joker

//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
//#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 = 4e5 + 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) % 2};
}

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) % 2;  	
	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 tl, 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, ps[m], tr);
	rb();
	pt[sz(h)]++;
	for (int i = tr; i > ps[m]; i--)
		add(i);
	f(l, m - 1, tl, 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] = g[i + m] = {u, v};
	}
	for (int i = 1; i <= n; i++) 
		p[i] = i, sz[i] = 1;
	f(1, m, 1, 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: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	9564 KB	Output is correct
2	Correct	2 ms	9564 KB	Output is correct
3	Correct	2 ms	9716 KB	Output is correct
4	Correct	3 ms	9564 KB	Output is correct
5	Correct	2 ms	9564 KB	Output is correct
6	Correct	2 ms	9564 KB	Output is correct
7	Correct	2 ms	9564 KB	Output is correct
8	Correct	3 ms	9656 KB	Output is correct
9	Correct	2 ms	9564 KB	Output is correct
10	Correct	2 ms	9564 KB	Output is correct
11	Correct	2 ms	9564 KB	Output is correct
12	Correct	2 ms	9564 KB	Output is correct
13	Correct	2 ms	9728 KB	Output is correct
14	Correct	2 ms	9760 KB	Output is correct
15	Correct	2 ms	9768 KB	Output is correct
16	Correct	2 ms	9564 KB	Output is correct
17	Correct	2 ms	9564 KB	Output is correct
18	Correct	2 ms	9564 KB	Output is correct
19	Correct	2 ms	9564 KB	Output is correct
20	Correct	2 ms	9564 KB	Output is correct
21	Correct	3 ms	9764 KB	Output is correct
22	Correct	3 ms	9564 KB	Output is correct
23	Correct	2 ms	9772 KB	Output is correct
24	Correct	2 ms	9564 KB	Output is correct
25	Correct	3 ms	9564 KB	Output is correct
26	Correct	2 ms	9564 KB	Output is correct
27	Correct	2 ms	9564 KB	Output is correct
28	Correct	2 ms	9564 KB	Output is correct

Subtask #2
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	9564 KB	Output is correct
2	Correct	2 ms	9564 KB	Output is correct
3	Correct	2 ms	9716 KB	Output is correct
4	Correct	3 ms	9564 KB	Output is correct
5	Correct	2 ms	9564 KB	Output is correct
6	Correct	2 ms	9564 KB	Output is correct
7	Correct	2 ms	9564 KB	Output is correct
8	Correct	3 ms	9656 KB	Output is correct
9	Correct	2 ms	9564 KB	Output is correct
10	Correct	2 ms	9564 KB	Output is correct
11	Correct	2 ms	9564 KB	Output is correct
12	Correct	2 ms	9564 KB	Output is correct
13	Correct	2 ms	9728 KB	Output is correct
14	Correct	2 ms	9760 KB	Output is correct
15	Correct	2 ms	9768 KB	Output is correct
16	Correct	2 ms	9564 KB	Output is correct
17	Correct	2 ms	9564 KB	Output is correct
18	Correct	2 ms	9564 KB	Output is correct
19	Correct	2 ms	9564 KB	Output is correct
20	Correct	2 ms	9564 KB	Output is correct
21	Correct	3 ms	9764 KB	Output is correct
22	Correct	3 ms	9564 KB	Output is correct
23	Correct	2 ms	9772 KB	Output is correct
24	Correct	2 ms	9564 KB	Output is correct
25	Correct	3 ms	9564 KB	Output is correct
26	Correct	2 ms	9564 KB	Output is correct
27	Correct	2 ms	9564 KB	Output is correct
28	Correct	2 ms	9564 KB	Output is correct
29	Correct	3 ms	9820 KB	Output is correct
30	Correct	3 ms	9820 KB	Output is correct
31	Correct	3 ms	9820 KB	Output is correct
32	Correct	3 ms	9820 KB	Output is correct
33	Correct	3 ms	9820 KB	Output is correct
34	Correct	3 ms	9820 KB	Output is correct
35	Correct	3 ms	9816 KB	Output is correct
36	Correct	4 ms	9772 KB	Output is correct
37	Correct	5 ms	9820 KB	Output is correct
38	Correct	3 ms	9820 KB	Output is correct
39	Correct	4 ms	9820 KB	Output is correct
40	Correct	3 ms	9820 KB	Output is correct
41	Correct	3 ms	9804 KB	Output is correct
42	Correct	4 ms	9820 KB	Output is correct
43	Correct	3 ms	9820 KB	Output is correct
44	Correct	3 ms	9820 KB	Output is correct
45	Correct	3 ms	9820 KB	Output is correct
46	Correct	3 ms	9820 KB	Output is correct
47	Correct	3 ms	9820 KB	Output is correct
48	Correct	3 ms	9772 KB	Output is correct
49	Correct	3 ms	9820 KB	Output is correct
50	Correct	3 ms	9820 KB	Output is correct
51	Correct	4 ms	9820 KB	Output is correct
52	Correct	3 ms	9856 KB	Output is correct
53	Correct	3 ms	9820 KB	Output is correct
54	Correct	3 ms	9820 KB	Output is correct

Subtask #3
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	9564 KB	Output is correct
2	Correct	2 ms	9564 KB	Output is correct
3	Correct	121 ms	12404 KB	Output is correct
4	Correct	217 ms	16260 KB	Output is correct
5	Correct	121 ms	16328 KB	Output is correct
6	Correct	122 ms	12416 KB	Output is correct
7	Correct	160 ms	12548 KB	Output is correct
8	Correct	132 ms	11728 KB	Output is correct
9	Correct	151 ms	12688 KB	Output is correct
10	Correct	238 ms	16260 KB	Output is correct
11	Correct	187 ms	12488 KB	Output is correct
12	Correct	169 ms	15304 KB	Output is correct
13	Correct	138 ms	11112 KB	Output is correct
14	Correct	134 ms	11756 KB	Output is correct
15	Correct	184 ms	15820 KB	Output is correct
16	Correct	201 ms	15308 KB	Output is correct

Subtask #4
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	9564 KB	Output is correct
2	Correct	2 ms	9564 KB	Output is correct
3	Correct	2 ms	9716 KB	Output is correct
4	Correct	3 ms	9564 KB	Output is correct
5	Correct	2 ms	9564 KB	Output is correct
6	Correct	2 ms	9564 KB	Output is correct
7	Correct	2 ms	9564 KB	Output is correct
8	Correct	3 ms	9656 KB	Output is correct
9	Correct	2 ms	9564 KB	Output is correct
10	Correct	2 ms	9564 KB	Output is correct
11	Correct	2 ms	9564 KB	Output is correct
12	Correct	2 ms	9564 KB	Output is correct
13	Correct	2 ms	9728 KB	Output is correct
14	Correct	2 ms	9760 KB	Output is correct
15	Correct	2 ms	9768 KB	Output is correct
16	Correct	2 ms	9564 KB	Output is correct
17	Correct	2 ms	9564 KB	Output is correct
18	Correct	2 ms	9564 KB	Output is correct
19	Correct	2 ms	9564 KB	Output is correct
20	Correct	2 ms	9564 KB	Output is correct
21	Correct	3 ms	9764 KB	Output is correct
22	Correct	3 ms	9564 KB	Output is correct
23	Correct	2 ms	9772 KB	Output is correct
24	Correct	2 ms	9564 KB	Output is correct
25	Correct	3 ms	9564 KB	Output is correct
26	Correct	2 ms	9564 KB	Output is correct
27	Correct	2 ms	9564 KB	Output is correct
28	Correct	2 ms	9564 KB	Output is correct
29	Correct	121 ms	12404 KB	Output is correct
30	Correct	217 ms	16260 KB	Output is correct
31	Correct	121 ms	16328 KB	Output is correct
32	Correct	122 ms	12416 KB	Output is correct
33	Correct	160 ms	12548 KB	Output is correct
34	Correct	132 ms	11728 KB	Output is correct
35	Correct	151 ms	12688 KB	Output is correct
36	Correct	238 ms	16260 KB	Output is correct
37	Correct	187 ms	12488 KB	Output is correct
38	Correct	169 ms	15304 KB	Output is correct
39	Correct	138 ms	11112 KB	Output is correct
40	Correct	134 ms	11756 KB	Output is correct
41	Correct	184 ms	15820 KB	Output is correct
42	Correct	201 ms	15308 KB	Output is correct
43	Correct	124 ms	16872 KB	Output is correct
44	Correct	184 ms	18368 KB	Output is correct
45	Correct	1489 ms	19024 KB	Output is correct
46	Correct	121 ms	16728 KB	Output is correct
47	Correct	140 ms	16904 KB	Output is correct
48	Correct	161 ms	16396 KB	Output is correct
49	Correct	194 ms	18044 KB	Output is correct
50	Correct	161 ms	16584 KB	Output is correct
51	Correct	176 ms	18720 KB	Output is correct
52	Correct	167 ms	19480 KB	Output is correct
53	Correct	146 ms	15052 KB	Output is correct
54	Correct	153 ms	16272 KB	Output is correct
55	Correct	179 ms	17856 KB	Output is correct
56	Correct	196 ms	18884 KB	Output is correct

Subtask #5
22.0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	9564 KB	Output is correct
2	Correct	2 ms	9564 KB	Output is correct
3	Correct	2 ms	9716 KB	Output is correct
4	Correct	3 ms	9564 KB	Output is correct
5	Correct	2 ms	9564 KB	Output is correct
6	Correct	2 ms	9564 KB	Output is correct
7	Correct	2 ms	9564 KB	Output is correct
8	Correct	3 ms	9656 KB	Output is correct
9	Correct	2 ms	9564 KB	Output is correct
10	Correct	2 ms	9564 KB	Output is correct
11	Correct	2 ms	9564 KB	Output is correct
12	Correct	2 ms	9564 KB	Output is correct
13	Correct	2 ms	9728 KB	Output is correct
14	Correct	2 ms	9760 KB	Output is correct
15	Correct	2 ms	9768 KB	Output is correct
16	Correct	2 ms	9564 KB	Output is correct
17	Correct	2 ms	9564 KB	Output is correct
18	Correct	2 ms	9564 KB	Output is correct
19	Correct	2 ms	9564 KB	Output is correct
20	Correct	2 ms	9564 KB	Output is correct
21	Correct	3 ms	9764 KB	Output is correct
22	Correct	3 ms	9564 KB	Output is correct
23	Correct	2 ms	9772 KB	Output is correct
24	Correct	2 ms	9564 KB	Output is correct
25	Correct	3 ms	9564 KB	Output is correct
26	Correct	2 ms	9564 KB	Output is correct
27	Correct	2 ms	9564 KB	Output is correct
28	Correct	2 ms	9564 KB	Output is correct
29	Correct	3 ms	9820 KB	Output is correct
30	Correct	3 ms	9820 KB	Output is correct
31	Correct	3 ms	9820 KB	Output is correct
32	Correct	3 ms	9820 KB	Output is correct
33	Correct	3 ms	9820 KB	Output is correct
34	Correct	3 ms	9820 KB	Output is correct
35	Correct	3 ms	9816 KB	Output is correct
36	Correct	4 ms	9772 KB	Output is correct
37	Correct	5 ms	9820 KB	Output is correct
38	Correct	3 ms	9820 KB	Output is correct
39	Correct	4 ms	9820 KB	Output is correct
40	Correct	3 ms	9820 KB	Output is correct
41	Correct	3 ms	9804 KB	Output is correct
42	Correct	4 ms	9820 KB	Output is correct
43	Correct	3 ms	9820 KB	Output is correct
44	Correct	3 ms	9820 KB	Output is correct
45	Correct	3 ms	9820 KB	Output is correct
46	Correct	3 ms	9820 KB	Output is correct
47	Correct	3 ms	9820 KB	Output is correct
48	Correct	3 ms	9772 KB	Output is correct
49	Correct	3 ms	9820 KB	Output is correct
50	Correct	3 ms	9820 KB	Output is correct
51	Correct	4 ms	9820 KB	Output is correct
52	Correct	3 ms	9856 KB	Output is correct
53	Correct	3 ms	9820 KB	Output is correct
54	Correct	3 ms	9820 KB	Output is correct
55	Correct	97 ms	14544 KB	Output is correct
56	Correct	138 ms	18436 KB	Output is correct
57	Correct	90 ms	17412 KB	Output is correct
58	Correct	96 ms	14340 KB	Output is correct
59	Correct	129 ms	14544 KB	Output is correct
60	Correct	174 ms	17268 KB	Output is correct
61	Correct	137 ms	14540 KB	Output is correct
62	Correct	135 ms	17096 KB	Output is correct
63	Correct	109 ms	13008 KB	Output is correct
64	Correct	140 ms	14496 KB	Output is correct
65	Correct	164 ms	17352 KB	Output is correct

Subtask #6
0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	9564 KB	Output is correct
2	Correct	2 ms	9564 KB	Output is correct
3	Correct	2 ms	9716 KB	Output is correct
4	Correct	3 ms	9564 KB	Output is correct
5	Correct	2 ms	9564 KB	Output is correct
6	Correct	2 ms	9564 KB	Output is correct
7	Correct	2 ms	9564 KB	Output is correct
8	Correct	3 ms	9656 KB	Output is correct
9	Correct	2 ms	9564 KB	Output is correct
10	Correct	2 ms	9564 KB	Output is correct
11	Correct	2 ms	9564 KB	Output is correct
12	Correct	2 ms	9564 KB	Output is correct
13	Correct	2 ms	9728 KB	Output is correct
14	Correct	2 ms	9760 KB	Output is correct
15	Correct	2 ms	9768 KB	Output is correct
16	Correct	2 ms	9564 KB	Output is correct
17	Correct	2 ms	9564 KB	Output is correct
18	Correct	2 ms	9564 KB	Output is correct
19	Correct	2 ms	9564 KB	Output is correct
20	Correct	2 ms	9564 KB	Output is correct
21	Correct	3 ms	9764 KB	Output is correct
22	Correct	3 ms	9564 KB	Output is correct
23	Correct	2 ms	9772 KB	Output is correct
24	Correct	2 ms	9564 KB	Output is correct
25	Correct	3 ms	9564 KB	Output is correct
26	Correct	2 ms	9564 KB	Output is correct
27	Correct	2 ms	9564 KB	Output is correct
28	Correct	2 ms	9564 KB	Output is correct
29	Correct	3 ms	9820 KB	Output is correct
30	Correct	3 ms	9820 KB	Output is correct
31	Correct	3 ms	9820 KB	Output is correct
32	Correct	3 ms	9820 KB	Output is correct
33	Correct	3 ms	9820 KB	Output is correct
34	Correct	3 ms	9820 KB	Output is correct
35	Correct	3 ms	9816 KB	Output is correct
36	Correct	4 ms	9772 KB	Output is correct
37	Correct	5 ms	9820 KB	Output is correct
38	Correct	3 ms	9820 KB	Output is correct
39	Correct	4 ms	9820 KB	Output is correct
40	Correct	3 ms	9820 KB	Output is correct
41	Correct	3 ms	9804 KB	Output is correct
42	Correct	4 ms	9820 KB	Output is correct
43	Correct	3 ms	9820 KB	Output is correct
44	Correct	3 ms	9820 KB	Output is correct
45	Correct	3 ms	9820 KB	Output is correct
46	Correct	3 ms	9820 KB	Output is correct
47	Correct	3 ms	9820 KB	Output is correct
48	Correct	3 ms	9772 KB	Output is correct
49	Correct	3 ms	9820 KB	Output is correct
50	Correct	3 ms	9820 KB	Output is correct
51	Correct	4 ms	9820 KB	Output is correct
52	Correct	3 ms	9856 KB	Output is correct
53	Correct	3 ms	9820 KB	Output is correct
54	Correct	3 ms	9820 KB	Output is correct
55	Correct	121 ms	12404 KB	Output is correct
56	Correct	217 ms	16260 KB	Output is correct
57	Correct	121 ms	16328 KB	Output is correct
58	Correct	122 ms	12416 KB	Output is correct
59	Correct	160 ms	12548 KB	Output is correct
60	Correct	132 ms	11728 KB	Output is correct
61	Correct	151 ms	12688 KB	Output is correct
62	Correct	238 ms	16260 KB	Output is correct
63	Correct	187 ms	12488 KB	Output is correct
64	Correct	169 ms	15304 KB	Output is correct
65	Correct	138 ms	11112 KB	Output is correct
66	Correct	134 ms	11756 KB	Output is correct
67	Correct	184 ms	15820 KB	Output is correct
68	Correct	201 ms	15308 KB	Output is correct
69	Correct	124 ms	16872 KB	Output is correct
70	Correct	184 ms	18368 KB	Output is correct
71	Correct	1489 ms	19024 KB	Output is correct
72	Correct	121 ms	16728 KB	Output is correct
73	Correct	140 ms	16904 KB	Output is correct
74	Correct	161 ms	16396 KB	Output is correct
75	Correct	194 ms	18044 KB	Output is correct
76	Correct	161 ms	16584 KB	Output is correct
77	Correct	176 ms	18720 KB	Output is correct
78	Correct	167 ms	19480 KB	Output is correct
79	Correct	146 ms	15052 KB	Output is correct
80	Correct	153 ms	16272 KB	Output is correct
81	Correct	179 ms	17856 KB	Output is correct
82	Correct	196 ms	18884 KB	Output is correct
83	Correct	97 ms	14544 KB	Output is correct
84	Correct	138 ms	18436 KB	Output is correct
85	Correct	90 ms	17412 KB	Output is correct
86	Correct	96 ms	14340 KB	Output is correct
87	Correct	129 ms	14544 KB	Output is correct
88	Correct	174 ms	17268 KB	Output is correct
89	Correct	137 ms	14540 KB	Output is correct
90	Correct	135 ms	17096 KB	Output is correct
91	Correct	109 ms	13008 KB	Output is correct
92	Correct	140 ms	14496 KB	Output is correct
93	Correct	164 ms	17352 KB	Output is correct
94	Correct	129 ms	17396 KB	Output is correct
95	Execution timed out	2017 ms	18128 KB	Time limit exceeded
96	Halted	0 ms	0 KB	-

답안 #926211

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