답안 #926223

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
926223	2024-02-12T17:33:16 Z	mansur	Joker (BOI20_joker)	C++17	71 / 100	2000 ms	16516 KB

Joker

#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 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:125:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
  125 | main() {
      | ^~~~

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	9560 KB	Output is correct
2	Correct	3 ms	9564 KB	Output is correct
3	Correct	2 ms	9564 KB	Output is correct
4	Correct	2 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	2 ms	9564 KB	Output is correct
9	Correct	3 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	9564 KB	Output is correct
14	Correct	2 ms	9564 KB	Output is correct
15	Correct	2 ms	9564 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	3 ms	9564 KB	Output is correct
20	Correct	3 ms	9564 KB	Output is correct
21	Correct	2 ms	9564 KB	Output is correct
22	Correct	2 ms	9564 KB	Output is correct
23	Correct	2 ms	9564 KB	Output is correct
24	Correct	2 ms	9564 KB	Output is correct
25	Correct	2 ms	9564 KB	Output is correct
26	Correct	2 ms	9564 KB	Output is correct
27	Correct	2 ms	9560 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	9560 KB	Output is correct
2	Correct	3 ms	9564 KB	Output is correct
3	Correct	2 ms	9564 KB	Output is correct
4	Correct	2 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	2 ms	9564 KB	Output is correct
9	Correct	3 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	9564 KB	Output is correct
14	Correct	2 ms	9564 KB	Output is correct
15	Correct	2 ms	9564 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	3 ms	9564 KB	Output is correct
20	Correct	3 ms	9564 KB	Output is correct
21	Correct	2 ms	9564 KB	Output is correct
22	Correct	2 ms	9564 KB	Output is correct
23	Correct	2 ms	9564 KB	Output is correct
24	Correct	2 ms	9564 KB	Output is correct
25	Correct	2 ms	9564 KB	Output is correct
26	Correct	2 ms	9564 KB	Output is correct
27	Correct	2 ms	9560 KB	Output is correct
28	Correct	2 ms	9564 KB	Output is correct
29	Correct	3 ms	9564 KB	Output is correct
30	Correct	3 ms	9816 KB	Output is correct
31	Correct	3 ms	9820 KB	Output is correct
32	Correct	2 ms	9812 KB	Output is correct
33	Correct	4 ms	9564 KB	Output is correct
34	Correct	3 ms	9820 KB	Output is correct
35	Correct	3 ms	9820 KB	Output is correct
36	Correct	3 ms	9564 KB	Output is correct
37	Correct	5 ms	9624 KB	Output is correct
38	Correct	4 ms	9820 KB	Output is correct
39	Correct	3 ms	9820 KB	Output is correct
40	Correct	3 ms	9564 KB	Output is correct
41	Correct	3 ms	9820 KB	Output is correct
42	Correct	4 ms	9564 KB	Output is correct
43	Correct	3 ms	9564 KB	Output is correct
44	Correct	3 ms	9564 KB	Output is correct
45	Correct	4 ms	9820 KB	Output is correct
46	Correct	3 ms	9768 KB	Output is correct
47	Correct	3 ms	9560 KB	Output is correct
48	Correct	4 ms	9564 KB	Output is correct
49	Correct	5 ms	9820 KB	Output is correct
50	Correct	3 ms	9820 KB	Output is correct
51	Correct	4 ms	9768 KB	Output is correct
52	Correct	3 ms	9560 KB	Output is correct
53	Correct	4 ms	9820 KB	Output is correct
54	Correct	4 ms	9820 KB	Output is correct

Subtask #3
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	9560 KB	Output is correct
2	Correct	3 ms	9564 KB	Output is correct
3	Correct	119 ms	12552 KB	Output is correct
4	Correct	213 ms	14624 KB	Output is correct
5	Correct	119 ms	16024 KB	Output is correct
6	Correct	162 ms	12492 KB	Output is correct
7	Correct	136 ms	12488 KB	Output is correct
8	Correct	134 ms	11728 KB	Output is correct
9	Correct	166 ms	12532 KB	Output is correct
10	Correct	197 ms	15500 KB	Output is correct
11	Correct	170 ms	12448 KB	Output is correct
12	Correct	170 ms	14808 KB	Output is correct
13	Correct	133 ms	10976 KB	Output is correct
14	Correct	137 ms	11692 KB	Output is correct
15	Correct	186 ms	14804 KB	Output is correct
16	Correct	199 ms	16020 KB	Output is correct

Subtask #4
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	9560 KB	Output is correct
2	Correct	3 ms	9564 KB	Output is correct
3	Correct	2 ms	9564 KB	Output is correct
4	Correct	2 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	2 ms	9564 KB	Output is correct
9	Correct	3 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	9564 KB	Output is correct
14	Correct	2 ms	9564 KB	Output is correct
15	Correct	2 ms	9564 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	3 ms	9564 KB	Output is correct
20	Correct	3 ms	9564 KB	Output is correct
21	Correct	2 ms	9564 KB	Output is correct
22	Correct	2 ms	9564 KB	Output is correct
23	Correct	2 ms	9564 KB	Output is correct
24	Correct	2 ms	9564 KB	Output is correct
25	Correct	2 ms	9564 KB	Output is correct
26	Correct	2 ms	9564 KB	Output is correct
27	Correct	2 ms	9560 KB	Output is correct
28	Correct	2 ms	9564 KB	Output is correct
29	Correct	119 ms	12552 KB	Output is correct
30	Correct	213 ms	14624 KB	Output is correct
31	Correct	119 ms	16024 KB	Output is correct
32	Correct	162 ms	12492 KB	Output is correct
33	Correct	136 ms	12488 KB	Output is correct
34	Correct	134 ms	11728 KB	Output is correct
35	Correct	166 ms	12532 KB	Output is correct
36	Correct	197 ms	15500 KB	Output is correct
37	Correct	170 ms	12448 KB	Output is correct
38	Correct	170 ms	14808 KB	Output is correct
39	Correct	133 ms	10976 KB	Output is correct
40	Correct	137 ms	11692 KB	Output is correct
41	Correct	186 ms	14804 KB	Output is correct
42	Correct	199 ms	16020 KB	Output is correct
43	Correct	122 ms	12440 KB	Output is correct
44	Correct	181 ms	15304 KB	Output is correct
45	Correct	1485 ms	16356 KB	Output is correct
46	Correct	117 ms	12540 KB	Output is correct
47	Correct	140 ms	12440 KB	Output is correct
48	Correct	177 ms	12788 KB	Output is correct
49	Correct	192 ms	15000 KB	Output is correct
50	Correct	164 ms	12144 KB	Output is correct
51	Correct	168 ms	14728 KB	Output is correct
52	Correct	171 ms	15816 KB	Output is correct
53	Correct	137 ms	10912 KB	Output is correct
54	Correct	156 ms	12184 KB	Output is correct
55	Correct	207 ms	14796 KB	Output is correct
56	Correct	200 ms	16328 KB	Output is correct

Subtask #5
22.0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	9560 KB	Output is correct
2	Correct	3 ms	9564 KB	Output is correct
3	Correct	2 ms	9564 KB	Output is correct
4	Correct	2 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	2 ms	9564 KB	Output is correct
9	Correct	3 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	9564 KB	Output is correct
14	Correct	2 ms	9564 KB	Output is correct
15	Correct	2 ms	9564 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	3 ms	9564 KB	Output is correct
20	Correct	3 ms	9564 KB	Output is correct
21	Correct	2 ms	9564 KB	Output is correct
22	Correct	2 ms	9564 KB	Output is correct
23	Correct	2 ms	9564 KB	Output is correct
24	Correct	2 ms	9564 KB	Output is correct
25	Correct	2 ms	9564 KB	Output is correct
26	Correct	2 ms	9564 KB	Output is correct
27	Correct	2 ms	9560 KB	Output is correct
28	Correct	2 ms	9564 KB	Output is correct
29	Correct	3 ms	9564 KB	Output is correct
30	Correct	3 ms	9816 KB	Output is correct
31	Correct	3 ms	9820 KB	Output is correct
32	Correct	2 ms	9812 KB	Output is correct
33	Correct	4 ms	9564 KB	Output is correct
34	Correct	3 ms	9820 KB	Output is correct
35	Correct	3 ms	9820 KB	Output is correct
36	Correct	3 ms	9564 KB	Output is correct
37	Correct	5 ms	9624 KB	Output is correct
38	Correct	4 ms	9820 KB	Output is correct
39	Correct	3 ms	9820 KB	Output is correct
40	Correct	3 ms	9564 KB	Output is correct
41	Correct	3 ms	9820 KB	Output is correct
42	Correct	4 ms	9564 KB	Output is correct
43	Correct	3 ms	9564 KB	Output is correct
44	Correct	3 ms	9564 KB	Output is correct
45	Correct	4 ms	9820 KB	Output is correct
46	Correct	3 ms	9768 KB	Output is correct
47	Correct	3 ms	9560 KB	Output is correct
48	Correct	4 ms	9564 KB	Output is correct
49	Correct	5 ms	9820 KB	Output is correct
50	Correct	3 ms	9820 KB	Output is correct
51	Correct	4 ms	9768 KB	Output is correct
52	Correct	3 ms	9560 KB	Output is correct
53	Correct	4 ms	9820 KB	Output is correct
54	Correct	4 ms	9820 KB	Output is correct
55	Correct	96 ms	12236 KB	Output is correct
56	Correct	144 ms	16516 KB	Output is correct
57	Correct	88 ms	15060 KB	Output is correct
58	Correct	96 ms	12244 KB	Output is correct
59	Correct	136 ms	12184 KB	Output is correct
60	Correct	170 ms	15560 KB	Output is correct
61	Correct	140 ms	12236 KB	Output is correct
62	Correct	140 ms	14844 KB	Output is correct
63	Correct	104 ms	10960 KB	Output is correct
64	Correct	141 ms	12248 KB	Output is correct
65	Correct	191 ms	15312 KB	Output is correct

Subtask #6
0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	9560 KB	Output is correct
2	Correct	3 ms	9564 KB	Output is correct
3	Correct	2 ms	9564 KB	Output is correct
4	Correct	2 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	2 ms	9564 KB	Output is correct
9	Correct	3 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	9564 KB	Output is correct
14	Correct	2 ms	9564 KB	Output is correct
15	Correct	2 ms	9564 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	3 ms	9564 KB	Output is correct
20	Correct	3 ms	9564 KB	Output is correct
21	Correct	2 ms	9564 KB	Output is correct
22	Correct	2 ms	9564 KB	Output is correct
23	Correct	2 ms	9564 KB	Output is correct
24	Correct	2 ms	9564 KB	Output is correct
25	Correct	2 ms	9564 KB	Output is correct
26	Correct	2 ms	9564 KB	Output is correct
27	Correct	2 ms	9560 KB	Output is correct
28	Correct	2 ms	9564 KB	Output is correct
29	Correct	3 ms	9564 KB	Output is correct
30	Correct	3 ms	9816 KB	Output is correct
31	Correct	3 ms	9820 KB	Output is correct
32	Correct	2 ms	9812 KB	Output is correct
33	Correct	4 ms	9564 KB	Output is correct
34	Correct	3 ms	9820 KB	Output is correct
35	Correct	3 ms	9820 KB	Output is correct
36	Correct	3 ms	9564 KB	Output is correct
37	Correct	5 ms	9624 KB	Output is correct
38	Correct	4 ms	9820 KB	Output is correct
39	Correct	3 ms	9820 KB	Output is correct
40	Correct	3 ms	9564 KB	Output is correct
41	Correct	3 ms	9820 KB	Output is correct
42	Correct	4 ms	9564 KB	Output is correct
43	Correct	3 ms	9564 KB	Output is correct
44	Correct	3 ms	9564 KB	Output is correct
45	Correct	4 ms	9820 KB	Output is correct
46	Correct	3 ms	9768 KB	Output is correct
47	Correct	3 ms	9560 KB	Output is correct
48	Correct	4 ms	9564 KB	Output is correct
49	Correct	5 ms	9820 KB	Output is correct
50	Correct	3 ms	9820 KB	Output is correct
51	Correct	4 ms	9768 KB	Output is correct
52	Correct	3 ms	9560 KB	Output is correct
53	Correct	4 ms	9820 KB	Output is correct
54	Correct	4 ms	9820 KB	Output is correct
55	Correct	119 ms	12552 KB	Output is correct
56	Correct	213 ms	14624 KB	Output is correct
57	Correct	119 ms	16024 KB	Output is correct
58	Correct	162 ms	12492 KB	Output is correct
59	Correct	136 ms	12488 KB	Output is correct
60	Correct	134 ms	11728 KB	Output is correct
61	Correct	166 ms	12532 KB	Output is correct
62	Correct	197 ms	15500 KB	Output is correct
63	Correct	170 ms	12448 KB	Output is correct
64	Correct	170 ms	14808 KB	Output is correct
65	Correct	133 ms	10976 KB	Output is correct
66	Correct	137 ms	11692 KB	Output is correct
67	Correct	186 ms	14804 KB	Output is correct
68	Correct	199 ms	16020 KB	Output is correct
69	Correct	122 ms	12440 KB	Output is correct
70	Correct	181 ms	15304 KB	Output is correct
71	Correct	1485 ms	16356 KB	Output is correct
72	Correct	117 ms	12540 KB	Output is correct
73	Correct	140 ms	12440 KB	Output is correct
74	Correct	177 ms	12788 KB	Output is correct
75	Correct	192 ms	15000 KB	Output is correct
76	Correct	164 ms	12144 KB	Output is correct
77	Correct	168 ms	14728 KB	Output is correct
78	Correct	171 ms	15816 KB	Output is correct
79	Correct	137 ms	10912 KB	Output is correct
80	Correct	156 ms	12184 KB	Output is correct
81	Correct	207 ms	14796 KB	Output is correct
82	Correct	200 ms	16328 KB	Output is correct
83	Correct	96 ms	12236 KB	Output is correct
84	Correct	144 ms	16516 KB	Output is correct
85	Correct	88 ms	15060 KB	Output is correct
86	Correct	96 ms	12244 KB	Output is correct
87	Correct	136 ms	12184 KB	Output is correct
88	Correct	170 ms	15560 KB	Output is correct
89	Correct	140 ms	12236 KB	Output is correct
90	Correct	140 ms	14844 KB	Output is correct
91	Correct	104 ms	10960 KB	Output is correct
92	Correct	141 ms	12248 KB	Output is correct
93	Correct	191 ms	15312 KB	Output is correct
94	Correct	128 ms	12432 KB	Output is correct
95	Execution timed out	2062 ms	15316 KB	Time limit exceeded
96	Halted	0 ms	0 KB	-

답안 #926223

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