답안 #926251

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
926251	2024-02-12T17:51:51 Z	mansur	Joker (BOI20_joker)	C++17	71 / 100	2000 ms	18900 KB

Joker

#pragma GCC target("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)};
}
 
inline 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];
}
 
inline 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	3 ms	12376 KB	Output is correct
2	Correct	2 ms	12380 KB	Output is correct
3	Correct	2 ms	12500 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	12632 KB	Output is correct
7	Correct	2 ms	12380 KB	Output is correct
8	Correct	2 ms	12380 KB	Output is correct
9	Correct	3 ms	12380 KB	Output is correct
10	Correct	2 ms	12380 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	3 ms	12380 KB	Output is correct
15	Correct	3 ms	12376 KB	Output is correct
16	Correct	2 ms	12380 KB	Output is correct
17	Correct	3 ms	12376 KB	Output is correct
18	Correct	3 ms	12380 KB	Output is correct
19	Correct	3 ms	12380 KB	Output is correct
20	Correct	2 ms	12380 KB	Output is correct
21	Correct	2 ms	12408 KB	Output is correct
22	Correct	2 ms	12380 KB	Output is correct
23	Correct	2 ms	12380 KB	Output is correct
24	Correct	2 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	2 ms	12376 KB	Output is correct

Subtask #2
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	12376 KB	Output is correct
2	Correct	2 ms	12380 KB	Output is correct
3	Correct	2 ms	12500 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	12632 KB	Output is correct
7	Correct	2 ms	12380 KB	Output is correct
8	Correct	2 ms	12380 KB	Output is correct
9	Correct	3 ms	12380 KB	Output is correct
10	Correct	2 ms	12380 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	3 ms	12380 KB	Output is correct
15	Correct	3 ms	12376 KB	Output is correct
16	Correct	2 ms	12380 KB	Output is correct
17	Correct	3 ms	12376 KB	Output is correct
18	Correct	3 ms	12380 KB	Output is correct
19	Correct	3 ms	12380 KB	Output is correct
20	Correct	2 ms	12380 KB	Output is correct
21	Correct	2 ms	12408 KB	Output is correct
22	Correct	2 ms	12380 KB	Output is correct
23	Correct	2 ms	12380 KB	Output is correct
24	Correct	2 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	2 ms	12376 KB	Output is correct
29	Correct	3 ms	12636 KB	Output is correct
30	Correct	3 ms	12636 KB	Output is correct
31	Correct	3 ms	12632 KB	Output is correct
32	Correct	3 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	3 ms	12632 KB	Output is correct
36	Correct	3 ms	12636 KB	Output is correct
37	Correct	4 ms	12636 KB	Output is correct
38	Correct	5 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	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	3 ms	12636 KB	Output is correct
46	Correct	3 ms	12628 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	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	4 ms	12636 KB	Output is correct
53	Correct	4 ms	12636 KB	Output is correct
54	Correct	4 ms	12636 KB	Output is correct

Subtask #3
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	12376 KB	Output is correct
2	Correct	2 ms	12380 KB	Output is correct
3	Correct	116 ms	15052 KB	Output is correct
4	Correct	176 ms	18364 KB	Output is correct
5	Correct	119 ms	17752 KB	Output is correct
6	Correct	114 ms	15056 KB	Output is correct
7	Correct	137 ms	15052 KB	Output is correct
8	Correct	124 ms	14544 KB	Output is correct
9	Correct	138 ms	15128 KB	Output is correct
10	Correct	186 ms	17356 KB	Output is correct
11	Correct	146 ms	15048 KB	Output is correct
12	Correct	150 ms	17352 KB	Output is correct
13	Correct	131 ms	13804 KB	Output is correct
14	Correct	127 ms	14436 KB	Output is correct
15	Correct	172 ms	18132 KB	Output is correct
16	Correct	186 ms	18596 KB	Output is correct

Subtask #4
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	12376 KB	Output is correct
2	Correct	2 ms	12380 KB	Output is correct
3	Correct	2 ms	12500 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	12632 KB	Output is correct
7	Correct	2 ms	12380 KB	Output is correct
8	Correct	2 ms	12380 KB	Output is correct
9	Correct	3 ms	12380 KB	Output is correct
10	Correct	2 ms	12380 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	3 ms	12380 KB	Output is correct
15	Correct	3 ms	12376 KB	Output is correct
16	Correct	2 ms	12380 KB	Output is correct
17	Correct	3 ms	12376 KB	Output is correct
18	Correct	3 ms	12380 KB	Output is correct
19	Correct	3 ms	12380 KB	Output is correct
20	Correct	2 ms	12380 KB	Output is correct
21	Correct	2 ms	12408 KB	Output is correct
22	Correct	2 ms	12380 KB	Output is correct
23	Correct	2 ms	12380 KB	Output is correct
24	Correct	2 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	2 ms	12376 KB	Output is correct
29	Correct	116 ms	15052 KB	Output is correct
30	Correct	176 ms	18364 KB	Output is correct
31	Correct	119 ms	17752 KB	Output is correct
32	Correct	114 ms	15056 KB	Output is correct
33	Correct	137 ms	15052 KB	Output is correct
34	Correct	124 ms	14544 KB	Output is correct
35	Correct	138 ms	15128 KB	Output is correct
36	Correct	186 ms	17356 KB	Output is correct
37	Correct	146 ms	15048 KB	Output is correct
38	Correct	150 ms	17352 KB	Output is correct
39	Correct	131 ms	13804 KB	Output is correct
40	Correct	127 ms	14436 KB	Output is correct
41	Correct	172 ms	18132 KB	Output is correct
42	Correct	186 ms	18596 KB	Output is correct
43	Correct	122 ms	15052 KB	Output is correct
44	Correct	172 ms	17056 KB	Output is correct
45	Correct	1323 ms	17608 KB	Output is correct
46	Correct	115 ms	15048 KB	Output is correct
47	Correct	127 ms	15048 KB	Output is correct
48	Correct	155 ms	15048 KB	Output is correct
49	Correct	183 ms	17316 KB	Output is correct
50	Correct	141 ms	14760 KB	Output is correct
51	Correct	149 ms	17356 KB	Output is correct
52	Correct	195 ms	18852 KB	Output is correct
53	Correct	135 ms	13732 KB	Output is correct
54	Correct	145 ms	14756 KB	Output is correct
55	Correct	169 ms	17876 KB	Output is correct
56	Correct	186 ms	18208 KB	Output is correct

Subtask #5
22.0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	12376 KB	Output is correct
2	Correct	2 ms	12380 KB	Output is correct
3	Correct	2 ms	12500 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	12632 KB	Output is correct
7	Correct	2 ms	12380 KB	Output is correct
8	Correct	2 ms	12380 KB	Output is correct
9	Correct	3 ms	12380 KB	Output is correct
10	Correct	2 ms	12380 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	3 ms	12380 KB	Output is correct
15	Correct	3 ms	12376 KB	Output is correct
16	Correct	2 ms	12380 KB	Output is correct
17	Correct	3 ms	12376 KB	Output is correct
18	Correct	3 ms	12380 KB	Output is correct
19	Correct	3 ms	12380 KB	Output is correct
20	Correct	2 ms	12380 KB	Output is correct
21	Correct	2 ms	12408 KB	Output is correct
22	Correct	2 ms	12380 KB	Output is correct
23	Correct	2 ms	12380 KB	Output is correct
24	Correct	2 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	2 ms	12376 KB	Output is correct
29	Correct	3 ms	12636 KB	Output is correct
30	Correct	3 ms	12636 KB	Output is correct
31	Correct	3 ms	12632 KB	Output is correct
32	Correct	3 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	3 ms	12632 KB	Output is correct
36	Correct	3 ms	12636 KB	Output is correct
37	Correct	4 ms	12636 KB	Output is correct
38	Correct	5 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	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	3 ms	12636 KB	Output is correct
46	Correct	3 ms	12628 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	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	4 ms	12636 KB	Output is correct
53	Correct	4 ms	12636 KB	Output is correct
54	Correct	4 ms	12636 KB	Output is correct
55	Correct	92 ms	14544 KB	Output is correct
56	Correct	131 ms	18900 KB	Output is correct
57	Correct	93 ms	17096 KB	Output is correct
58	Correct	95 ms	14548 KB	Output is correct
59	Correct	122 ms	14548 KB	Output is correct
60	Correct	155 ms	18636 KB	Output is correct
61	Correct	133 ms	14544 KB	Output is correct
62	Correct	131 ms	16844 KB	Output is correct
63	Correct	103 ms	13780 KB	Output is correct
64	Correct	136 ms	14544 KB	Output is correct
65	Correct	162 ms	17096 KB	Output is correct

Subtask #6
0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	12376 KB	Output is correct
2	Correct	2 ms	12380 KB	Output is correct
3	Correct	2 ms	12500 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	12632 KB	Output is correct
7	Correct	2 ms	12380 KB	Output is correct
8	Correct	2 ms	12380 KB	Output is correct
9	Correct	3 ms	12380 KB	Output is correct
10	Correct	2 ms	12380 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	3 ms	12380 KB	Output is correct
15	Correct	3 ms	12376 KB	Output is correct
16	Correct	2 ms	12380 KB	Output is correct
17	Correct	3 ms	12376 KB	Output is correct
18	Correct	3 ms	12380 KB	Output is correct
19	Correct	3 ms	12380 KB	Output is correct
20	Correct	2 ms	12380 KB	Output is correct
21	Correct	2 ms	12408 KB	Output is correct
22	Correct	2 ms	12380 KB	Output is correct
23	Correct	2 ms	12380 KB	Output is correct
24	Correct	2 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	2 ms	12376 KB	Output is correct
29	Correct	3 ms	12636 KB	Output is correct
30	Correct	3 ms	12636 KB	Output is correct
31	Correct	3 ms	12632 KB	Output is correct
32	Correct	3 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	3 ms	12632 KB	Output is correct
36	Correct	3 ms	12636 KB	Output is correct
37	Correct	4 ms	12636 KB	Output is correct
38	Correct	5 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	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	3 ms	12636 KB	Output is correct
46	Correct	3 ms	12628 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	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	4 ms	12636 KB	Output is correct
53	Correct	4 ms	12636 KB	Output is correct
54	Correct	4 ms	12636 KB	Output is correct
55	Correct	116 ms	15052 KB	Output is correct
56	Correct	176 ms	18364 KB	Output is correct
57	Correct	119 ms	17752 KB	Output is correct
58	Correct	114 ms	15056 KB	Output is correct
59	Correct	137 ms	15052 KB	Output is correct
60	Correct	124 ms	14544 KB	Output is correct
61	Correct	138 ms	15128 KB	Output is correct
62	Correct	186 ms	17356 KB	Output is correct
63	Correct	146 ms	15048 KB	Output is correct
64	Correct	150 ms	17352 KB	Output is correct
65	Correct	131 ms	13804 KB	Output is correct
66	Correct	127 ms	14436 KB	Output is correct
67	Correct	172 ms	18132 KB	Output is correct
68	Correct	186 ms	18596 KB	Output is correct
69	Correct	122 ms	15052 KB	Output is correct
70	Correct	172 ms	17056 KB	Output is correct
71	Correct	1323 ms	17608 KB	Output is correct
72	Correct	115 ms	15048 KB	Output is correct
73	Correct	127 ms	15048 KB	Output is correct
74	Correct	155 ms	15048 KB	Output is correct
75	Correct	183 ms	17316 KB	Output is correct
76	Correct	141 ms	14760 KB	Output is correct
77	Correct	149 ms	17356 KB	Output is correct
78	Correct	195 ms	18852 KB	Output is correct
79	Correct	135 ms	13732 KB	Output is correct
80	Correct	145 ms	14756 KB	Output is correct
81	Correct	169 ms	17876 KB	Output is correct
82	Correct	186 ms	18208 KB	Output is correct
83	Correct	92 ms	14544 KB	Output is correct
84	Correct	131 ms	18900 KB	Output is correct
85	Correct	93 ms	17096 KB	Output is correct
86	Correct	95 ms	14548 KB	Output is correct
87	Correct	122 ms	14548 KB	Output is correct
88	Correct	155 ms	18636 KB	Output is correct
89	Correct	133 ms	14544 KB	Output is correct
90	Correct	131 ms	16844 KB	Output is correct
91	Correct	103 ms	13780 KB	Output is correct
92	Correct	136 ms	14544 KB	Output is correct
93	Correct	162 ms	17096 KB	Output is correct
94	Correct	123 ms	15048 KB	Output is correct
95	Execution timed out	2059 ms	18132 KB	Time limit exceeded
96	Halted	0 ms	0 KB	-

답안 #926251

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