답안 #926245

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
926245	2024-02-12T17:49:16 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("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 = 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<pii> 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)]) {
		pii x = h.back();
		h.pop_back();
		if (x.f == -1) {
			ok = 1;
			continue;
		}
		p[x.f] = x.f;
		pr[x.f] = 0;
		sz[x.f] = x.s;
	}
	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();
	}
}

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	3 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	12376 KB	Output is correct
6	Correct	2 ms	12376 KB	Output is correct
7	Correct	3 ms	12380 KB	Output is correct
8	Correct	2 ms	12380 KB	Output is correct
9	Correct	2 ms	12548 KB	Output is correct
10	Correct	3 ms	12376 KB	Output is correct
11	Correct	2 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	12376 KB	Output is correct
17	Correct	2 ms	12376 KB	Output is correct
18	Correct	2 ms	12456 KB	Output is correct
19	Correct	2 ms	12376 KB	Output is correct
20	Correct	3 ms	12380 KB	Output is correct
21	Correct	2 ms	12380 KB	Output is correct
22	Correct	3 ms	12372 KB	Output is correct
23	Correct	3 ms	12380 KB	Output is correct
24	Correct	3 ms	12380 KB	Output is correct
25	Correct	3 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	2 ms	12380 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	3 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	12376 KB	Output is correct
6	Correct	2 ms	12376 KB	Output is correct
7	Correct	3 ms	12380 KB	Output is correct
8	Correct	2 ms	12380 KB	Output is correct
9	Correct	2 ms	12548 KB	Output is correct
10	Correct	3 ms	12376 KB	Output is correct
11	Correct	2 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	12376 KB	Output is correct
17	Correct	2 ms	12376 KB	Output is correct
18	Correct	2 ms	12456 KB	Output is correct
19	Correct	2 ms	12376 KB	Output is correct
20	Correct	3 ms	12380 KB	Output is correct
21	Correct	2 ms	12380 KB	Output is correct
22	Correct	3 ms	12372 KB	Output is correct
23	Correct	3 ms	12380 KB	Output is correct
24	Correct	3 ms	12380 KB	Output is correct
25	Correct	3 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	2 ms	12380 KB	Output is correct
29	Correct	3 ms	12632 KB	Output is correct
30	Correct	4 ms	12888 KB	Output is correct
31	Correct	3 ms	12676 KB	Output is correct
32	Correct	3 ms	12636 KB	Output is correct
33	Correct	3 ms	12636 KB	Output is correct
34	Correct	4 ms	12636 KB	Output is correct
35	Correct	3 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	12596 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	12604 KB	Output is correct
43	Correct	3 ms	12636 KB	Output is correct
44	Correct	4 ms	12636 KB	Output is correct
45	Correct	3 ms	12636 KB	Output is correct
46	Correct	4 ms	12632 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	12672 KB	Output is correct
50	Correct	4 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	12632 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	3 ms	12380 KB	Output is correct
3	Correct	121 ms	15052 KB	Output is correct
4	Correct	169 ms	18132 KB	Output is correct
5	Correct	117 ms	17356 KB	Output is correct
6	Correct	114 ms	14868 KB	Output is correct
7	Correct	140 ms	15052 KB	Output is correct
8	Correct	123 ms	14576 KB	Output is correct
9	Correct	140 ms	15100 KB	Output is correct
10	Correct	178 ms	17608 KB	Output is correct
11	Correct	142 ms	15048 KB	Output is correct
12	Correct	170 ms	17044 KB	Output is correct
13	Correct	130 ms	13776 KB	Output is correct
14	Correct	128 ms	14284 KB	Output is correct
15	Correct	171 ms	18084 KB	Output is correct
16	Correct	180 ms	17864 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	3 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	12376 KB	Output is correct
6	Correct	2 ms	12376 KB	Output is correct
7	Correct	3 ms	12380 KB	Output is correct
8	Correct	2 ms	12380 KB	Output is correct
9	Correct	2 ms	12548 KB	Output is correct
10	Correct	3 ms	12376 KB	Output is correct
11	Correct	2 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	12376 KB	Output is correct
17	Correct	2 ms	12376 KB	Output is correct
18	Correct	2 ms	12456 KB	Output is correct
19	Correct	2 ms	12376 KB	Output is correct
20	Correct	3 ms	12380 KB	Output is correct
21	Correct	2 ms	12380 KB	Output is correct
22	Correct	3 ms	12372 KB	Output is correct
23	Correct	3 ms	12380 KB	Output is correct
24	Correct	3 ms	12380 KB	Output is correct
25	Correct	3 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	2 ms	12380 KB	Output is correct
29	Correct	121 ms	15052 KB	Output is correct
30	Correct	169 ms	18132 KB	Output is correct
31	Correct	117 ms	17356 KB	Output is correct
32	Correct	114 ms	14868 KB	Output is correct
33	Correct	140 ms	15052 KB	Output is correct
34	Correct	123 ms	14576 KB	Output is correct
35	Correct	140 ms	15100 KB	Output is correct
36	Correct	178 ms	17608 KB	Output is correct
37	Correct	142 ms	15048 KB	Output is correct
38	Correct	170 ms	17044 KB	Output is correct
39	Correct	130 ms	13776 KB	Output is correct
40	Correct	128 ms	14284 KB	Output is correct
41	Correct	171 ms	18084 KB	Output is correct
42	Correct	180 ms	17864 KB	Output is correct
43	Correct	117 ms	15048 KB	Output is correct
44	Correct	172 ms	18636 KB	Output is correct
45	Correct	1315 ms	17276 KB	Output is correct
46	Correct	112 ms	15052 KB	Output is correct
47	Correct	130 ms	15268 KB	Output is correct
48	Correct	175 ms	15008 KB	Output is correct
49	Correct	181 ms	17324 KB	Output is correct
50	Correct	139 ms	14552 KB	Output is correct
51	Correct	150 ms	17096 KB	Output is correct
52	Correct	155 ms	17356 KB	Output is correct
53	Correct	133 ms	13776 KB	Output is correct
54	Correct	148 ms	14632 KB	Output is correct
55	Correct	167 ms	18644 KB	Output is correct
56	Correct	180 ms	17828 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	3 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	12376 KB	Output is correct
6	Correct	2 ms	12376 KB	Output is correct
7	Correct	3 ms	12380 KB	Output is correct
8	Correct	2 ms	12380 KB	Output is correct
9	Correct	2 ms	12548 KB	Output is correct
10	Correct	3 ms	12376 KB	Output is correct
11	Correct	2 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	12376 KB	Output is correct
17	Correct	2 ms	12376 KB	Output is correct
18	Correct	2 ms	12456 KB	Output is correct
19	Correct	2 ms	12376 KB	Output is correct
20	Correct	3 ms	12380 KB	Output is correct
21	Correct	2 ms	12380 KB	Output is correct
22	Correct	3 ms	12372 KB	Output is correct
23	Correct	3 ms	12380 KB	Output is correct
24	Correct	3 ms	12380 KB	Output is correct
25	Correct	3 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	2 ms	12380 KB	Output is correct
29	Correct	3 ms	12632 KB	Output is correct
30	Correct	4 ms	12888 KB	Output is correct
31	Correct	3 ms	12676 KB	Output is correct
32	Correct	3 ms	12636 KB	Output is correct
33	Correct	3 ms	12636 KB	Output is correct
34	Correct	4 ms	12636 KB	Output is correct
35	Correct	3 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	12596 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	12604 KB	Output is correct
43	Correct	3 ms	12636 KB	Output is correct
44	Correct	4 ms	12636 KB	Output is correct
45	Correct	3 ms	12636 KB	Output is correct
46	Correct	4 ms	12632 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	12672 KB	Output is correct
50	Correct	4 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	12632 KB	Output is correct
54	Correct	3 ms	12636 KB	Output is correct
55	Correct	96 ms	14764 KB	Output is correct
56	Correct	130 ms	18376 KB	Output is correct
57	Correct	103 ms	17608 KB	Output is correct
58	Correct	93 ms	14552 KB	Output is correct
59	Correct	132 ms	14796 KB	Output is correct
60	Correct	181 ms	17584 KB	Output is correct
61	Correct	131 ms	14544 KB	Output is correct
62	Correct	129 ms	16852 KB	Output is correct
63	Correct	101 ms	13740 KB	Output is correct
64	Correct	132 ms	14764 KB	Output is correct
65	Correct	158 ms	18892 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	3 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	12376 KB	Output is correct
6	Correct	2 ms	12376 KB	Output is correct
7	Correct	3 ms	12380 KB	Output is correct
8	Correct	2 ms	12380 KB	Output is correct
9	Correct	2 ms	12548 KB	Output is correct
10	Correct	3 ms	12376 KB	Output is correct
11	Correct	2 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	12376 KB	Output is correct
17	Correct	2 ms	12376 KB	Output is correct
18	Correct	2 ms	12456 KB	Output is correct
19	Correct	2 ms	12376 KB	Output is correct
20	Correct	3 ms	12380 KB	Output is correct
21	Correct	2 ms	12380 KB	Output is correct
22	Correct	3 ms	12372 KB	Output is correct
23	Correct	3 ms	12380 KB	Output is correct
24	Correct	3 ms	12380 KB	Output is correct
25	Correct	3 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	2 ms	12380 KB	Output is correct
29	Correct	3 ms	12632 KB	Output is correct
30	Correct	4 ms	12888 KB	Output is correct
31	Correct	3 ms	12676 KB	Output is correct
32	Correct	3 ms	12636 KB	Output is correct
33	Correct	3 ms	12636 KB	Output is correct
34	Correct	4 ms	12636 KB	Output is correct
35	Correct	3 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	12596 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	12604 KB	Output is correct
43	Correct	3 ms	12636 KB	Output is correct
44	Correct	4 ms	12636 KB	Output is correct
45	Correct	3 ms	12636 KB	Output is correct
46	Correct	4 ms	12632 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	12672 KB	Output is correct
50	Correct	4 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	12632 KB	Output is correct
54	Correct	3 ms	12636 KB	Output is correct
55	Correct	121 ms	15052 KB	Output is correct
56	Correct	169 ms	18132 KB	Output is correct
57	Correct	117 ms	17356 KB	Output is correct
58	Correct	114 ms	14868 KB	Output is correct
59	Correct	140 ms	15052 KB	Output is correct
60	Correct	123 ms	14576 KB	Output is correct
61	Correct	140 ms	15100 KB	Output is correct
62	Correct	178 ms	17608 KB	Output is correct
63	Correct	142 ms	15048 KB	Output is correct
64	Correct	170 ms	17044 KB	Output is correct
65	Correct	130 ms	13776 KB	Output is correct
66	Correct	128 ms	14284 KB	Output is correct
67	Correct	171 ms	18084 KB	Output is correct
68	Correct	180 ms	17864 KB	Output is correct
69	Correct	117 ms	15048 KB	Output is correct
70	Correct	172 ms	18636 KB	Output is correct
71	Correct	1315 ms	17276 KB	Output is correct
72	Correct	112 ms	15052 KB	Output is correct
73	Correct	130 ms	15268 KB	Output is correct
74	Correct	175 ms	15008 KB	Output is correct
75	Correct	181 ms	17324 KB	Output is correct
76	Correct	139 ms	14552 KB	Output is correct
77	Correct	150 ms	17096 KB	Output is correct
78	Correct	155 ms	17356 KB	Output is correct
79	Correct	133 ms	13776 KB	Output is correct
80	Correct	148 ms	14632 KB	Output is correct
81	Correct	167 ms	18644 KB	Output is correct
82	Correct	180 ms	17828 KB	Output is correct
83	Correct	96 ms	14764 KB	Output is correct
84	Correct	130 ms	18376 KB	Output is correct
85	Correct	103 ms	17608 KB	Output is correct
86	Correct	93 ms	14552 KB	Output is correct
87	Correct	132 ms	14796 KB	Output is correct
88	Correct	181 ms	17584 KB	Output is correct
89	Correct	131 ms	14544 KB	Output is correct
90	Correct	129 ms	16852 KB	Output is correct
91	Correct	101 ms	13740 KB	Output is correct
92	Correct	132 ms	14764 KB	Output is correct
93	Correct	158 ms	18892 KB	Output is correct
94	Correct	124 ms	15048 KB	Output is correct
95	Execution timed out	2036 ms	18380 KB	Time limit exceeded
96	Halted	0 ms	0 KB	-

답안 #926245

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