답안 #926236

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
926236	2024-02-12T17:40:07 Z	mansur	Joker (BOI20_joker)	C++17	71 / 100	2000 ms	18892 KB

Joker

#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx")
#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: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	12380 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	12376 KB	Output is correct
7	Correct	2 ms	12380 KB	Output is correct
8	Correct	3 ms	12612 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	3 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	12376 KB	Output is correct
16	Correct	2 ms	12392 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	12380 KB	Output is correct
20	Correct	2 ms	12380 KB	Output is correct
21	Correct	2 ms	12376 KB	Output is correct
22	Correct	2 ms	12380 KB	Output is correct
23	Correct	3 ms	12380 KB	Output is correct
24	Correct	2 ms	12380 KB	Output is correct
25	Correct	2 ms	12376 KB	Output is correct
26	Correct	2 ms	12380 KB	Output is correct
27	Correct	2 ms	12380 KB	Output is correct
28	Correct	2 ms	12380 KB	Output is correct

Subtask #2
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	12380 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	12376 KB	Output is correct
7	Correct	2 ms	12380 KB	Output is correct
8	Correct	3 ms	12612 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	3 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	12376 KB	Output is correct
16	Correct	2 ms	12392 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	12380 KB	Output is correct
20	Correct	2 ms	12380 KB	Output is correct
21	Correct	2 ms	12376 KB	Output is correct
22	Correct	2 ms	12380 KB	Output is correct
23	Correct	3 ms	12380 KB	Output is correct
24	Correct	2 ms	12380 KB	Output is correct
25	Correct	2 ms	12376 KB	Output is correct
26	Correct	2 ms	12380 KB	Output is correct
27	Correct	2 ms	12380 KB	Output is correct
28	Correct	2 ms	12380 KB	Output is correct
29	Correct	3 ms	12636 KB	Output is correct
30	Correct	3 ms	12532 KB	Output is correct
31	Correct	3 ms	12636 KB	Output is correct
32	Correct	4 ms	12636 KB	Output is correct
33	Correct	3 ms	12636 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	12632 KB	Output is correct
37	Correct	4 ms	12636 KB	Output is correct
38	Correct	4 ms	12636 KB	Output is correct
39	Correct	3 ms	12632 KB	Output is correct
40	Correct	4 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	12636 KB	Output is correct
45	Correct	4 ms	12636 KB	Output is correct
46	Correct	5 ms	12636 KB	Output is correct
47	Correct	3 ms	12648 KB	Output is correct
48	Correct	3 ms	12632 KB	Output is correct
49	Correct	3 ms	12636 KB	Output is correct
50	Correct	4 ms	12636 KB	Output is correct
51	Correct	3 ms	12636 KB	Output is correct
52	Correct	3 ms	12636 KB	Output is correct
53	Correct	4 ms	12632 KB	Output is correct
54	Correct	4 ms	12632 KB	Output is correct

Subtask #3
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	12380 KB	Output is correct
2	Correct	2 ms	12380 KB	Output is correct
3	Correct	120 ms	15052 KB	Output is correct
4	Correct	181 ms	17608 KB	Output is correct
5	Correct	135 ms	17864 KB	Output is correct
6	Correct	124 ms	15048 KB	Output is correct
7	Correct	141 ms	15048 KB	Output is correct
8	Correct	130 ms	14540 KB	Output is correct
9	Correct	148 ms	15048 KB	Output is correct
10	Correct	197 ms	18352 KB	Output is correct
11	Correct	156 ms	15048 KB	Output is correct
12	Correct	168 ms	18632 KB	Output is correct
13	Correct	143 ms	13724 KB	Output is correct
14	Correct	138 ms	14428 KB	Output is correct
15	Correct	187 ms	17100 KB	Output is correct
16	Correct	194 ms	17096 KB	Output is correct

Subtask #4
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	12380 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	12376 KB	Output is correct
7	Correct	2 ms	12380 KB	Output is correct
8	Correct	3 ms	12612 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	3 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	12376 KB	Output is correct
16	Correct	2 ms	12392 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	12380 KB	Output is correct
20	Correct	2 ms	12380 KB	Output is correct
21	Correct	2 ms	12376 KB	Output is correct
22	Correct	2 ms	12380 KB	Output is correct
23	Correct	3 ms	12380 KB	Output is correct
24	Correct	2 ms	12380 KB	Output is correct
25	Correct	2 ms	12376 KB	Output is correct
26	Correct	2 ms	12380 KB	Output is correct
27	Correct	2 ms	12380 KB	Output is correct
28	Correct	2 ms	12380 KB	Output is correct
29	Correct	120 ms	15052 KB	Output is correct
30	Correct	181 ms	17608 KB	Output is correct
31	Correct	135 ms	17864 KB	Output is correct
32	Correct	124 ms	15048 KB	Output is correct
33	Correct	141 ms	15048 KB	Output is correct
34	Correct	130 ms	14540 KB	Output is correct
35	Correct	148 ms	15048 KB	Output is correct
36	Correct	197 ms	18352 KB	Output is correct
37	Correct	156 ms	15048 KB	Output is correct
38	Correct	168 ms	18632 KB	Output is correct
39	Correct	143 ms	13724 KB	Output is correct
40	Correct	138 ms	14428 KB	Output is correct
41	Correct	187 ms	17100 KB	Output is correct
42	Correct	194 ms	17096 KB	Output is correct
43	Correct	122 ms	15056 KB	Output is correct
44	Correct	181 ms	17864 KB	Output is correct
45	Correct	1398 ms	17100 KB	Output is correct
46	Correct	117 ms	15056 KB	Output is correct
47	Correct	133 ms	15052 KB	Output is correct
48	Correct	164 ms	15064 KB	Output is correct
49	Correct	199 ms	17616 KB	Output is correct
50	Correct	157 ms	14668 KB	Output is correct
51	Correct	168 ms	18128 KB	Output is correct
52	Correct	185 ms	17364 KB	Output is correct
53	Correct	140 ms	13796 KB	Output is correct
54	Correct	163 ms	14848 KB	Output is correct
55	Correct	183 ms	16840 KB	Output is correct
56	Correct	199 ms	18380 KB	Output is correct

Subtask #5
22.0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	12380 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	12376 KB	Output is correct
7	Correct	2 ms	12380 KB	Output is correct
8	Correct	3 ms	12612 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	3 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	12376 KB	Output is correct
16	Correct	2 ms	12392 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	12380 KB	Output is correct
20	Correct	2 ms	12380 KB	Output is correct
21	Correct	2 ms	12376 KB	Output is correct
22	Correct	2 ms	12380 KB	Output is correct
23	Correct	3 ms	12380 KB	Output is correct
24	Correct	2 ms	12380 KB	Output is correct
25	Correct	2 ms	12376 KB	Output is correct
26	Correct	2 ms	12380 KB	Output is correct
27	Correct	2 ms	12380 KB	Output is correct
28	Correct	2 ms	12380 KB	Output is correct
29	Correct	3 ms	12636 KB	Output is correct
30	Correct	3 ms	12532 KB	Output is correct
31	Correct	3 ms	12636 KB	Output is correct
32	Correct	4 ms	12636 KB	Output is correct
33	Correct	3 ms	12636 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	12632 KB	Output is correct
37	Correct	4 ms	12636 KB	Output is correct
38	Correct	4 ms	12636 KB	Output is correct
39	Correct	3 ms	12632 KB	Output is correct
40	Correct	4 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	12636 KB	Output is correct
45	Correct	4 ms	12636 KB	Output is correct
46	Correct	5 ms	12636 KB	Output is correct
47	Correct	3 ms	12648 KB	Output is correct
48	Correct	3 ms	12632 KB	Output is correct
49	Correct	3 ms	12636 KB	Output is correct
50	Correct	4 ms	12636 KB	Output is correct
51	Correct	3 ms	12636 KB	Output is correct
52	Correct	3 ms	12636 KB	Output is correct
53	Correct	4 ms	12632 KB	Output is correct
54	Correct	4 ms	12632 KB	Output is correct
55	Correct	107 ms	14760 KB	Output is correct
56	Correct	139 ms	18892 KB	Output is correct
57	Correct	91 ms	16828 KB	Output is correct
58	Correct	104 ms	14764 KB	Output is correct
59	Correct	145 ms	14552 KB	Output is correct
60	Correct	173 ms	17608 KB	Output is correct
61	Correct	152 ms	14552 KB	Output is correct
62	Correct	142 ms	17364 KB	Output is correct
63	Correct	109 ms	13520 KB	Output is correct
64	Correct	148 ms	14540 KB	Output is correct
65	Correct	171 ms	17352 KB	Output is correct

Subtask #6
0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	12380 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	12376 KB	Output is correct
7	Correct	2 ms	12380 KB	Output is correct
8	Correct	3 ms	12612 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	3 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	12376 KB	Output is correct
16	Correct	2 ms	12392 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	12380 KB	Output is correct
20	Correct	2 ms	12380 KB	Output is correct
21	Correct	2 ms	12376 KB	Output is correct
22	Correct	2 ms	12380 KB	Output is correct
23	Correct	3 ms	12380 KB	Output is correct
24	Correct	2 ms	12380 KB	Output is correct
25	Correct	2 ms	12376 KB	Output is correct
26	Correct	2 ms	12380 KB	Output is correct
27	Correct	2 ms	12380 KB	Output is correct
28	Correct	2 ms	12380 KB	Output is correct
29	Correct	3 ms	12636 KB	Output is correct
30	Correct	3 ms	12532 KB	Output is correct
31	Correct	3 ms	12636 KB	Output is correct
32	Correct	4 ms	12636 KB	Output is correct
33	Correct	3 ms	12636 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	12632 KB	Output is correct
37	Correct	4 ms	12636 KB	Output is correct
38	Correct	4 ms	12636 KB	Output is correct
39	Correct	3 ms	12632 KB	Output is correct
40	Correct	4 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	12636 KB	Output is correct
45	Correct	4 ms	12636 KB	Output is correct
46	Correct	5 ms	12636 KB	Output is correct
47	Correct	3 ms	12648 KB	Output is correct
48	Correct	3 ms	12632 KB	Output is correct
49	Correct	3 ms	12636 KB	Output is correct
50	Correct	4 ms	12636 KB	Output is correct
51	Correct	3 ms	12636 KB	Output is correct
52	Correct	3 ms	12636 KB	Output is correct
53	Correct	4 ms	12632 KB	Output is correct
54	Correct	4 ms	12632 KB	Output is correct
55	Correct	120 ms	15052 KB	Output is correct
56	Correct	181 ms	17608 KB	Output is correct
57	Correct	135 ms	17864 KB	Output is correct
58	Correct	124 ms	15048 KB	Output is correct
59	Correct	141 ms	15048 KB	Output is correct
60	Correct	130 ms	14540 KB	Output is correct
61	Correct	148 ms	15048 KB	Output is correct
62	Correct	197 ms	18352 KB	Output is correct
63	Correct	156 ms	15048 KB	Output is correct
64	Correct	168 ms	18632 KB	Output is correct
65	Correct	143 ms	13724 KB	Output is correct
66	Correct	138 ms	14428 KB	Output is correct
67	Correct	187 ms	17100 KB	Output is correct
68	Correct	194 ms	17096 KB	Output is correct
69	Correct	122 ms	15056 KB	Output is correct
70	Correct	181 ms	17864 KB	Output is correct
71	Correct	1398 ms	17100 KB	Output is correct
72	Correct	117 ms	15056 KB	Output is correct
73	Correct	133 ms	15052 KB	Output is correct
74	Correct	164 ms	15064 KB	Output is correct
75	Correct	199 ms	17616 KB	Output is correct
76	Correct	157 ms	14668 KB	Output is correct
77	Correct	168 ms	18128 KB	Output is correct
78	Correct	185 ms	17364 KB	Output is correct
79	Correct	140 ms	13796 KB	Output is correct
80	Correct	163 ms	14848 KB	Output is correct
81	Correct	183 ms	16840 KB	Output is correct
82	Correct	199 ms	18380 KB	Output is correct
83	Correct	107 ms	14760 KB	Output is correct
84	Correct	139 ms	18892 KB	Output is correct
85	Correct	91 ms	16828 KB	Output is correct
86	Correct	104 ms	14764 KB	Output is correct
87	Correct	145 ms	14552 KB	Output is correct
88	Correct	173 ms	17608 KB	Output is correct
89	Correct	152 ms	14552 KB	Output is correct
90	Correct	142 ms	17364 KB	Output is correct
91	Correct	109 ms	13520 KB	Output is correct
92	Correct	148 ms	14540 KB	Output is correct
93	Correct	171 ms	17352 KB	Output is correct
94	Correct	134 ms	15488 KB	Output is correct
95	Execution timed out	2032 ms	17100 KB	Time limit exceeded
96	Halted	0 ms	0 KB	-

답안 #926236

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