답안 #926235

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
926235	2024-02-12T17:39:31 Z	mansur	Joker (BOI20_joker)	C++17	71 / 100	2000 ms	18388 KB

Joker

#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx")
#pragma GCC optimize("Ofast")

#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: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	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	3 ms	12380 KB	Output is correct
6	Correct	2 ms	12380 KB	Output is correct
7	Correct	2 ms	12436 KB	Output is correct
8	Correct	2 ms	12380 KB	Output is correct
9	Correct	2 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	3 ms	12380 KB	Output is correct
14	Correct	3 ms	12380 KB	Output is correct
15	Correct	2 ms	12380 KB	Output is correct
16	Correct	2 ms	12376 KB	Output is correct
17	Correct	2 ms	12380 KB	Output is correct
18	Correct	3 ms	12380 KB	Output is correct
19	Correct	2 ms	12380 KB	Output is correct
20	Correct	3 ms	12380 KB	Output is correct
21	Correct	3 ms	12376 KB	Output is correct
22	Correct	3 ms	12380 KB	Output is correct
23	Correct	2 ms	12380 KB	Output is correct
24	Correct	3 ms	12380 KB	Output is correct
25	Correct	2 ms	12380 KB	Output is correct
26	Correct	2 ms	12380 KB	Output is correct
27	Correct	2 ms	12380 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	3 ms	12380 KB	Output is correct
6	Correct	2 ms	12380 KB	Output is correct
7	Correct	2 ms	12436 KB	Output is correct
8	Correct	2 ms	12380 KB	Output is correct
9	Correct	2 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	3 ms	12380 KB	Output is correct
14	Correct	3 ms	12380 KB	Output is correct
15	Correct	2 ms	12380 KB	Output is correct
16	Correct	2 ms	12376 KB	Output is correct
17	Correct	2 ms	12380 KB	Output is correct
18	Correct	3 ms	12380 KB	Output is correct
19	Correct	2 ms	12380 KB	Output is correct
20	Correct	3 ms	12380 KB	Output is correct
21	Correct	3 ms	12376 KB	Output is correct
22	Correct	3 ms	12380 KB	Output is correct
23	Correct	2 ms	12380 KB	Output is correct
24	Correct	3 ms	12380 KB	Output is correct
25	Correct	2 ms	12380 KB	Output is correct
26	Correct	2 ms	12380 KB	Output is correct
27	Correct	2 ms	12380 KB	Output is correct
28	Correct	3 ms	12376 KB	Output is correct
29	Correct	3 ms	12380 KB	Output is correct
30	Correct	3 ms	12636 KB	Output is correct
31	Correct	4 ms	12636 KB	Output is correct
32	Correct	3 ms	12656 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	4 ms	12632 KB	Output is correct
38	Correct	4 ms	12636 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	12632 KB	Output is correct
42	Correct	3 ms	12632 KB	Output is correct
43	Correct	3 ms	12636 KB	Output is correct
44	Correct	3 ms	12636 KB	Output is correct
45	Correct	3 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	12632 KB	Output is correct
49	Correct	4 ms	12636 KB	Output is correct
50	Correct	4 ms	12636 KB	Output is correct
51	Correct	4 ms	12636 KB	Output is correct
52	Correct	3 ms	12636 KB	Output is correct
53	Correct	4 ms	12636 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	12376 KB	Output is correct
2	Correct	2 ms	12380 KB	Output is correct
3	Correct	128 ms	15144 KB	Output is correct
4	Correct	180 ms	17356 KB	Output is correct
5	Correct	120 ms	18084 KB	Output is correct
6	Correct	129 ms	15056 KB	Output is correct
7	Correct	135 ms	14836 KB	Output is correct
8	Correct	130 ms	14544 KB	Output is correct
9	Correct	146 ms	15164 KB	Output is correct
10	Correct	188 ms	17356 KB	Output is correct
11	Correct	156 ms	15044 KB	Output is correct
12	Correct	162 ms	16852 KB	Output is correct
13	Correct	135 ms	13716 KB	Output is correct
14	Correct	132 ms	14284 KB	Output is correct
15	Correct	185 ms	17048 KB	Output is correct
16	Correct	208 ms	18376 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	3 ms	12380 KB	Output is correct
6	Correct	2 ms	12380 KB	Output is correct
7	Correct	2 ms	12436 KB	Output is correct
8	Correct	2 ms	12380 KB	Output is correct
9	Correct	2 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	3 ms	12380 KB	Output is correct
14	Correct	3 ms	12380 KB	Output is correct
15	Correct	2 ms	12380 KB	Output is correct
16	Correct	2 ms	12376 KB	Output is correct
17	Correct	2 ms	12380 KB	Output is correct
18	Correct	3 ms	12380 KB	Output is correct
19	Correct	2 ms	12380 KB	Output is correct
20	Correct	3 ms	12380 KB	Output is correct
21	Correct	3 ms	12376 KB	Output is correct
22	Correct	3 ms	12380 KB	Output is correct
23	Correct	2 ms	12380 KB	Output is correct
24	Correct	3 ms	12380 KB	Output is correct
25	Correct	2 ms	12380 KB	Output is correct
26	Correct	2 ms	12380 KB	Output is correct
27	Correct	2 ms	12380 KB	Output is correct
28	Correct	3 ms	12376 KB	Output is correct
29	Correct	128 ms	15144 KB	Output is correct
30	Correct	180 ms	17356 KB	Output is correct
31	Correct	120 ms	18084 KB	Output is correct
32	Correct	129 ms	15056 KB	Output is correct
33	Correct	135 ms	14836 KB	Output is correct
34	Correct	130 ms	14544 KB	Output is correct
35	Correct	146 ms	15164 KB	Output is correct
36	Correct	188 ms	17356 KB	Output is correct
37	Correct	156 ms	15044 KB	Output is correct
38	Correct	162 ms	16852 KB	Output is correct
39	Correct	135 ms	13716 KB	Output is correct
40	Correct	132 ms	14284 KB	Output is correct
41	Correct	185 ms	17048 KB	Output is correct
42	Correct	208 ms	18376 KB	Output is correct
43	Correct	125 ms	15052 KB	Output is correct
44	Correct	180 ms	18388 KB	Output is correct
45	Correct	1365 ms	18124 KB	Output is correct
46	Correct	117 ms	15048 KB	Output is correct
47	Correct	132 ms	15052 KB	Output is correct
48	Correct	178 ms	15016 KB	Output is correct
49	Correct	198 ms	17108 KB	Output is correct
50	Correct	172 ms	14900 KB	Output is correct
51	Correct	160 ms	17608 KB	Output is correct
52	Correct	171 ms	17868 KB	Output is correct
53	Correct	139 ms	13804 KB	Output is correct
54	Correct	160 ms	14540 KB	Output is correct
55	Correct	182 ms	17608 KB	Output is correct
56	Correct	207 ms	17356 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	3 ms	12380 KB	Output is correct
6	Correct	2 ms	12380 KB	Output is correct
7	Correct	2 ms	12436 KB	Output is correct
8	Correct	2 ms	12380 KB	Output is correct
9	Correct	2 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	3 ms	12380 KB	Output is correct
14	Correct	3 ms	12380 KB	Output is correct
15	Correct	2 ms	12380 KB	Output is correct
16	Correct	2 ms	12376 KB	Output is correct
17	Correct	2 ms	12380 KB	Output is correct
18	Correct	3 ms	12380 KB	Output is correct
19	Correct	2 ms	12380 KB	Output is correct
20	Correct	3 ms	12380 KB	Output is correct
21	Correct	3 ms	12376 KB	Output is correct
22	Correct	3 ms	12380 KB	Output is correct
23	Correct	2 ms	12380 KB	Output is correct
24	Correct	3 ms	12380 KB	Output is correct
25	Correct	2 ms	12380 KB	Output is correct
26	Correct	2 ms	12380 KB	Output is correct
27	Correct	2 ms	12380 KB	Output is correct
28	Correct	3 ms	12376 KB	Output is correct
29	Correct	3 ms	12380 KB	Output is correct
30	Correct	3 ms	12636 KB	Output is correct
31	Correct	4 ms	12636 KB	Output is correct
32	Correct	3 ms	12656 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	4 ms	12632 KB	Output is correct
38	Correct	4 ms	12636 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	12632 KB	Output is correct
42	Correct	3 ms	12632 KB	Output is correct
43	Correct	3 ms	12636 KB	Output is correct
44	Correct	3 ms	12636 KB	Output is correct
45	Correct	3 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	12632 KB	Output is correct
49	Correct	4 ms	12636 KB	Output is correct
50	Correct	4 ms	12636 KB	Output is correct
51	Correct	4 ms	12636 KB	Output is correct
52	Correct	3 ms	12636 KB	Output is correct
53	Correct	4 ms	12636 KB	Output is correct
54	Correct	3 ms	12636 KB	Output is correct
55	Correct	99 ms	14768 KB	Output is correct
56	Correct	140 ms	16840 KB	Output is correct
57	Correct	91 ms	17864 KB	Output is correct
58	Correct	105 ms	14752 KB	Output is correct
59	Correct	131 ms	14552 KB	Output is correct
60	Correct	170 ms	17096 KB	Output is correct
61	Correct	146 ms	14552 KB	Output is correct
62	Correct	142 ms	17084 KB	Output is correct
63	Correct	107 ms	13520 KB	Output is correct
64	Correct	142 ms	14704 KB	Output is correct
65	Correct	181 ms	16844 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	3 ms	12380 KB	Output is correct
6	Correct	2 ms	12380 KB	Output is correct
7	Correct	2 ms	12436 KB	Output is correct
8	Correct	2 ms	12380 KB	Output is correct
9	Correct	2 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	3 ms	12380 KB	Output is correct
14	Correct	3 ms	12380 KB	Output is correct
15	Correct	2 ms	12380 KB	Output is correct
16	Correct	2 ms	12376 KB	Output is correct
17	Correct	2 ms	12380 KB	Output is correct
18	Correct	3 ms	12380 KB	Output is correct
19	Correct	2 ms	12380 KB	Output is correct
20	Correct	3 ms	12380 KB	Output is correct
21	Correct	3 ms	12376 KB	Output is correct
22	Correct	3 ms	12380 KB	Output is correct
23	Correct	2 ms	12380 KB	Output is correct
24	Correct	3 ms	12380 KB	Output is correct
25	Correct	2 ms	12380 KB	Output is correct
26	Correct	2 ms	12380 KB	Output is correct
27	Correct	2 ms	12380 KB	Output is correct
28	Correct	3 ms	12376 KB	Output is correct
29	Correct	3 ms	12380 KB	Output is correct
30	Correct	3 ms	12636 KB	Output is correct
31	Correct	4 ms	12636 KB	Output is correct
32	Correct	3 ms	12656 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	4 ms	12632 KB	Output is correct
38	Correct	4 ms	12636 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	12632 KB	Output is correct
42	Correct	3 ms	12632 KB	Output is correct
43	Correct	3 ms	12636 KB	Output is correct
44	Correct	3 ms	12636 KB	Output is correct
45	Correct	3 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	12632 KB	Output is correct
49	Correct	4 ms	12636 KB	Output is correct
50	Correct	4 ms	12636 KB	Output is correct
51	Correct	4 ms	12636 KB	Output is correct
52	Correct	3 ms	12636 KB	Output is correct
53	Correct	4 ms	12636 KB	Output is correct
54	Correct	3 ms	12636 KB	Output is correct
55	Correct	128 ms	15144 KB	Output is correct
56	Correct	180 ms	17356 KB	Output is correct
57	Correct	120 ms	18084 KB	Output is correct
58	Correct	129 ms	15056 KB	Output is correct
59	Correct	135 ms	14836 KB	Output is correct
60	Correct	130 ms	14544 KB	Output is correct
61	Correct	146 ms	15164 KB	Output is correct
62	Correct	188 ms	17356 KB	Output is correct
63	Correct	156 ms	15044 KB	Output is correct
64	Correct	162 ms	16852 KB	Output is correct
65	Correct	135 ms	13716 KB	Output is correct
66	Correct	132 ms	14284 KB	Output is correct
67	Correct	185 ms	17048 KB	Output is correct
68	Correct	208 ms	18376 KB	Output is correct
69	Correct	125 ms	15052 KB	Output is correct
70	Correct	180 ms	18388 KB	Output is correct
71	Correct	1365 ms	18124 KB	Output is correct
72	Correct	117 ms	15048 KB	Output is correct
73	Correct	132 ms	15052 KB	Output is correct
74	Correct	178 ms	15016 KB	Output is correct
75	Correct	198 ms	17108 KB	Output is correct
76	Correct	172 ms	14900 KB	Output is correct
77	Correct	160 ms	17608 KB	Output is correct
78	Correct	171 ms	17868 KB	Output is correct
79	Correct	139 ms	13804 KB	Output is correct
80	Correct	160 ms	14540 KB	Output is correct
81	Correct	182 ms	17608 KB	Output is correct
82	Correct	207 ms	17356 KB	Output is correct
83	Correct	99 ms	14768 KB	Output is correct
84	Correct	140 ms	16840 KB	Output is correct
85	Correct	91 ms	17864 KB	Output is correct
86	Correct	105 ms	14752 KB	Output is correct
87	Correct	131 ms	14552 KB	Output is correct
88	Correct	170 ms	17096 KB	Output is correct
89	Correct	146 ms	14552 KB	Output is correct
90	Correct	142 ms	17084 KB	Output is correct
91	Correct	107 ms	13520 KB	Output is correct
92	Correct	142 ms	14704 KB	Output is correct
93	Correct	181 ms	16844 KB	Output is correct
94	Correct	128 ms	15048 KB	Output is correct
95	Execution timed out	2068 ms	17620 KB	Time limit exceeded
96	Halted	0 ms	0 KB	-

답안 #926235

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