답안 #926271

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
926271	2024-02-12T18:11:01 Z	mansur	Joker (BOI20_joker)	C++17	71 / 100	186 ms	28116 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 = 1e6 + 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], pr[N];
int sz[N], pt[N];
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();
	if (!ps[m]) return;
	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:129:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
  129 | main() {
      | ^~~~

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	16472 KB	Output is correct
2	Correct	3 ms	16476 KB	Output is correct
3	Correct	3 ms	16476 KB	Output is correct
4	Correct	4 ms	16476 KB	Output is correct
5	Correct	4 ms	16388 KB	Output is correct
6	Correct	3 ms	16476 KB	Output is correct
7	Correct	3 ms	16476 KB	Output is correct
8	Correct	4 ms	16476 KB	Output is correct
9	Correct	3 ms	16476 KB	Output is correct
10	Correct	3 ms	16476 KB	Output is correct
11	Correct	3 ms	16476 KB	Output is correct
12	Correct	3 ms	16512 KB	Output is correct
13	Correct	3 ms	16476 KB	Output is correct
14	Correct	3 ms	16472 KB	Output is correct
15	Correct	3 ms	16476 KB	Output is correct
16	Correct	3 ms	16472 KB	Output is correct
17	Correct	3 ms	16476 KB	Output is correct
18	Correct	3 ms	16476 KB	Output is correct
19	Correct	3 ms	16476 KB	Output is correct
20	Correct	3 ms	16360 KB	Output is correct
21	Correct	3 ms	16476 KB	Output is correct
22	Correct	3 ms	16476 KB	Output is correct
23	Correct	3 ms	16472 KB	Output is correct
24	Correct	4 ms	16476 KB	Output is correct
25	Correct	3 ms	16472 KB	Output is correct
26	Correct	3 ms	16476 KB	Output is correct
27	Correct	3 ms	16476 KB	Output is correct
28	Correct	3 ms	16472 KB	Output is correct

Subtask #2
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	16472 KB	Output is correct
2	Correct	3 ms	16476 KB	Output is correct
3	Correct	3 ms	16476 KB	Output is correct
4	Correct	4 ms	16476 KB	Output is correct
5	Correct	4 ms	16388 KB	Output is correct
6	Correct	3 ms	16476 KB	Output is correct
7	Correct	3 ms	16476 KB	Output is correct
8	Correct	4 ms	16476 KB	Output is correct
9	Correct	3 ms	16476 KB	Output is correct
10	Correct	3 ms	16476 KB	Output is correct
11	Correct	3 ms	16476 KB	Output is correct
12	Correct	3 ms	16512 KB	Output is correct
13	Correct	3 ms	16476 KB	Output is correct
14	Correct	3 ms	16472 KB	Output is correct
15	Correct	3 ms	16476 KB	Output is correct
16	Correct	3 ms	16472 KB	Output is correct
17	Correct	3 ms	16476 KB	Output is correct
18	Correct	3 ms	16476 KB	Output is correct
19	Correct	3 ms	16476 KB	Output is correct
20	Correct	3 ms	16360 KB	Output is correct
21	Correct	3 ms	16476 KB	Output is correct
22	Correct	3 ms	16476 KB	Output is correct
23	Correct	3 ms	16472 KB	Output is correct
24	Correct	4 ms	16476 KB	Output is correct
25	Correct	3 ms	16472 KB	Output is correct
26	Correct	3 ms	16476 KB	Output is correct
27	Correct	3 ms	16476 KB	Output is correct
28	Correct	3 ms	16472 KB	Output is correct
29	Correct	4 ms	16476 KB	Output is correct
30	Correct	4 ms	16472 KB	Output is correct
31	Correct	4 ms	16476 KB	Output is correct
32	Correct	4 ms	16476 KB	Output is correct
33	Correct	4 ms	16476 KB	Output is correct
34	Correct	4 ms	16476 KB	Output is correct
35	Correct	4 ms	16476 KB	Output is correct
36	Correct	4 ms	16476 KB	Output is correct
37	Correct	4 ms	16472 KB	Output is correct
38	Correct	4 ms	16476 KB	Output is correct
39	Correct	4 ms	16476 KB	Output is correct
40	Correct	4 ms	16476 KB	Output is correct
41	Correct	4 ms	16476 KB	Output is correct
42	Correct	4 ms	16476 KB	Output is correct
43	Correct	4 ms	16476 KB	Output is correct
44	Correct	4 ms	16564 KB	Output is correct
45	Correct	4 ms	16476 KB	Output is correct
46	Correct	4 ms	16476 KB	Output is correct
47	Correct	4 ms	16476 KB	Output is correct
48	Correct	4 ms	16476 KB	Output is correct
49	Correct	4 ms	16476 KB	Output is correct
50	Correct	4 ms	16476 KB	Output is correct
51	Correct	5 ms	16476 KB	Output is correct
52	Correct	4 ms	16476 KB	Output is correct
53	Correct	4 ms	16476 KB	Output is correct
54	Correct	4 ms	16476 KB	Output is correct

Subtask #3
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	16472 KB	Output is correct
2	Correct	3 ms	16476 KB	Output is correct
3	Correct	119 ms	20972 KB	Output is correct
4	Correct	63 ms	26348 KB	Output is correct
5	Correct	118 ms	25544 KB	Output is correct
6	Correct	116 ms	21228 KB	Output is correct
7	Correct	130 ms	21292 KB	Output is correct
8	Correct	125 ms	20460 KB	Output is correct
9	Correct	137 ms	21452 KB	Output is correct
10	Correct	177 ms	28088 KB	Output is correct
11	Correct	146 ms	21440 KB	Output is correct
12	Correct	156 ms	25848 KB	Output is correct
13	Correct	135 ms	19772 KB	Output is correct
14	Correct	128 ms	20628 KB	Output is correct
15	Correct	177 ms	22732 KB	Output is correct
16	Correct	186 ms	28116 KB	Output is correct

Subtask #4
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	16472 KB	Output is correct
2	Correct	3 ms	16476 KB	Output is correct
3	Correct	3 ms	16476 KB	Output is correct
4	Correct	4 ms	16476 KB	Output is correct
5	Correct	4 ms	16388 KB	Output is correct
6	Correct	3 ms	16476 KB	Output is correct
7	Correct	3 ms	16476 KB	Output is correct
8	Correct	4 ms	16476 KB	Output is correct
9	Correct	3 ms	16476 KB	Output is correct
10	Correct	3 ms	16476 KB	Output is correct
11	Correct	3 ms	16476 KB	Output is correct
12	Correct	3 ms	16512 KB	Output is correct
13	Correct	3 ms	16476 KB	Output is correct
14	Correct	3 ms	16472 KB	Output is correct
15	Correct	3 ms	16476 KB	Output is correct
16	Correct	3 ms	16472 KB	Output is correct
17	Correct	3 ms	16476 KB	Output is correct
18	Correct	3 ms	16476 KB	Output is correct
19	Correct	3 ms	16476 KB	Output is correct
20	Correct	3 ms	16360 KB	Output is correct
21	Correct	3 ms	16476 KB	Output is correct
22	Correct	3 ms	16476 KB	Output is correct
23	Correct	3 ms	16472 KB	Output is correct
24	Correct	4 ms	16476 KB	Output is correct
25	Correct	3 ms	16472 KB	Output is correct
26	Correct	3 ms	16476 KB	Output is correct
27	Correct	3 ms	16476 KB	Output is correct
28	Correct	3 ms	16472 KB	Output is correct
29	Correct	119 ms	20972 KB	Output is correct
30	Correct	63 ms	26348 KB	Output is correct
31	Correct	118 ms	25544 KB	Output is correct
32	Correct	116 ms	21228 KB	Output is correct
33	Correct	130 ms	21292 KB	Output is correct
34	Correct	125 ms	20460 KB	Output is correct
35	Correct	137 ms	21452 KB	Output is correct
36	Correct	177 ms	28088 KB	Output is correct
37	Correct	146 ms	21440 KB	Output is correct
38	Correct	156 ms	25848 KB	Output is correct
39	Correct	135 ms	19772 KB	Output is correct
40	Correct	128 ms	20628 KB	Output is correct
41	Correct	177 ms	22732 KB	Output is correct
42	Correct	186 ms	28116 KB	Output is correct
43	Correct	120 ms	20940 KB	Output is correct
44	Correct	64 ms	25924 KB	Output is correct
45	Correct	163 ms	27852 KB	Output is correct
46	Correct	131 ms	21292 KB	Output is correct
47	Correct	131 ms	21424 KB	Output is correct
48	Correct	151 ms	21432 KB	Output is correct
49	Correct	184 ms	27852 KB	Output is correct
50	Correct	140 ms	20884 KB	Output is correct
51	Correct	153 ms	24556 KB	Output is correct
52	Correct	169 ms	27888 KB	Output is correct
53	Correct	142 ms	19696 KB	Output is correct
54	Correct	146 ms	20940 KB	Output is correct
55	Correct	177 ms	23760 KB	Output is correct
56	Correct	184 ms	27092 KB	Output is correct

Subtask #5
22.0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	16472 KB	Output is correct
2	Correct	3 ms	16476 KB	Output is correct
3	Correct	3 ms	16476 KB	Output is correct
4	Correct	4 ms	16476 KB	Output is correct
5	Correct	4 ms	16388 KB	Output is correct
6	Correct	3 ms	16476 KB	Output is correct
7	Correct	3 ms	16476 KB	Output is correct
8	Correct	4 ms	16476 KB	Output is correct
9	Correct	3 ms	16476 KB	Output is correct
10	Correct	3 ms	16476 KB	Output is correct
11	Correct	3 ms	16476 KB	Output is correct
12	Correct	3 ms	16512 KB	Output is correct
13	Correct	3 ms	16476 KB	Output is correct
14	Correct	3 ms	16472 KB	Output is correct
15	Correct	3 ms	16476 KB	Output is correct
16	Correct	3 ms	16472 KB	Output is correct
17	Correct	3 ms	16476 KB	Output is correct
18	Correct	3 ms	16476 KB	Output is correct
19	Correct	3 ms	16476 KB	Output is correct
20	Correct	3 ms	16360 KB	Output is correct
21	Correct	3 ms	16476 KB	Output is correct
22	Correct	3 ms	16476 KB	Output is correct
23	Correct	3 ms	16472 KB	Output is correct
24	Correct	4 ms	16476 KB	Output is correct
25	Correct	3 ms	16472 KB	Output is correct
26	Correct	3 ms	16476 KB	Output is correct
27	Correct	3 ms	16476 KB	Output is correct
28	Correct	3 ms	16472 KB	Output is correct
29	Correct	4 ms	16476 KB	Output is correct
30	Correct	4 ms	16472 KB	Output is correct
31	Correct	4 ms	16476 KB	Output is correct
32	Correct	4 ms	16476 KB	Output is correct
33	Correct	4 ms	16476 KB	Output is correct
34	Correct	4 ms	16476 KB	Output is correct
35	Correct	4 ms	16476 KB	Output is correct
36	Correct	4 ms	16476 KB	Output is correct
37	Correct	4 ms	16472 KB	Output is correct
38	Correct	4 ms	16476 KB	Output is correct
39	Correct	4 ms	16476 KB	Output is correct
40	Correct	4 ms	16476 KB	Output is correct
41	Correct	4 ms	16476 KB	Output is correct
42	Correct	4 ms	16476 KB	Output is correct
43	Correct	4 ms	16476 KB	Output is correct
44	Correct	4 ms	16564 KB	Output is correct
45	Correct	4 ms	16476 KB	Output is correct
46	Correct	4 ms	16476 KB	Output is correct
47	Correct	4 ms	16476 KB	Output is correct
48	Correct	4 ms	16476 KB	Output is correct
49	Correct	4 ms	16476 KB	Output is correct
50	Correct	4 ms	16476 KB	Output is correct
51	Correct	5 ms	16476 KB	Output is correct
52	Correct	4 ms	16476 KB	Output is correct
53	Correct	4 ms	16476 KB	Output is correct
54	Correct	4 ms	16476 KB	Output is correct
55	Correct	94 ms	20292 KB	Output is correct
56	Correct	42 ms	25288 KB	Output is correct
57	Correct	93 ms	26068 KB	Output is correct
58	Correct	93 ms	21032 KB	Output is correct
59	Correct	125 ms	20680 KB	Output is correct
60	Correct	160 ms	25568 KB	Output is correct
61	Correct	133 ms	20756 KB	Output is correct
62	Correct	131 ms	26064 KB	Output is correct
63	Correct	104 ms	19408 KB	Output is correct
64	Correct	135 ms	20960 KB	Output is correct
65	Correct	156 ms	26064 KB	Output is correct

Subtask #6
0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	16472 KB	Output is correct
2	Correct	3 ms	16476 KB	Output is correct
3	Correct	3 ms	16476 KB	Output is correct
4	Correct	4 ms	16476 KB	Output is correct
5	Correct	4 ms	16388 KB	Output is correct
6	Correct	3 ms	16476 KB	Output is correct
7	Correct	3 ms	16476 KB	Output is correct
8	Correct	4 ms	16476 KB	Output is correct
9	Correct	3 ms	16476 KB	Output is correct
10	Correct	3 ms	16476 KB	Output is correct
11	Correct	3 ms	16476 KB	Output is correct
12	Correct	3 ms	16512 KB	Output is correct
13	Correct	3 ms	16476 KB	Output is correct
14	Correct	3 ms	16472 KB	Output is correct
15	Correct	3 ms	16476 KB	Output is correct
16	Correct	3 ms	16472 KB	Output is correct
17	Correct	3 ms	16476 KB	Output is correct
18	Correct	3 ms	16476 KB	Output is correct
19	Correct	3 ms	16476 KB	Output is correct
20	Correct	3 ms	16360 KB	Output is correct
21	Correct	3 ms	16476 KB	Output is correct
22	Correct	3 ms	16476 KB	Output is correct
23	Correct	3 ms	16472 KB	Output is correct
24	Correct	4 ms	16476 KB	Output is correct
25	Correct	3 ms	16472 KB	Output is correct
26	Correct	3 ms	16476 KB	Output is correct
27	Correct	3 ms	16476 KB	Output is correct
28	Correct	3 ms	16472 KB	Output is correct
29	Correct	4 ms	16476 KB	Output is correct
30	Correct	4 ms	16472 KB	Output is correct
31	Correct	4 ms	16476 KB	Output is correct
32	Correct	4 ms	16476 KB	Output is correct
33	Correct	4 ms	16476 KB	Output is correct
34	Correct	4 ms	16476 KB	Output is correct
35	Correct	4 ms	16476 KB	Output is correct
36	Correct	4 ms	16476 KB	Output is correct
37	Correct	4 ms	16472 KB	Output is correct
38	Correct	4 ms	16476 KB	Output is correct
39	Correct	4 ms	16476 KB	Output is correct
40	Correct	4 ms	16476 KB	Output is correct
41	Correct	4 ms	16476 KB	Output is correct
42	Correct	4 ms	16476 KB	Output is correct
43	Correct	4 ms	16476 KB	Output is correct
44	Correct	4 ms	16564 KB	Output is correct
45	Correct	4 ms	16476 KB	Output is correct
46	Correct	4 ms	16476 KB	Output is correct
47	Correct	4 ms	16476 KB	Output is correct
48	Correct	4 ms	16476 KB	Output is correct
49	Correct	4 ms	16476 KB	Output is correct
50	Correct	4 ms	16476 KB	Output is correct
51	Correct	5 ms	16476 KB	Output is correct
52	Correct	4 ms	16476 KB	Output is correct
53	Correct	4 ms	16476 KB	Output is correct
54	Correct	4 ms	16476 KB	Output is correct
55	Correct	119 ms	20972 KB	Output is correct
56	Correct	63 ms	26348 KB	Output is correct
57	Correct	118 ms	25544 KB	Output is correct
58	Correct	116 ms	21228 KB	Output is correct
59	Correct	130 ms	21292 KB	Output is correct
60	Correct	125 ms	20460 KB	Output is correct
61	Correct	137 ms	21452 KB	Output is correct
62	Correct	177 ms	28088 KB	Output is correct
63	Correct	146 ms	21440 KB	Output is correct
64	Correct	156 ms	25848 KB	Output is correct
65	Correct	135 ms	19772 KB	Output is correct
66	Correct	128 ms	20628 KB	Output is correct
67	Correct	177 ms	22732 KB	Output is correct
68	Correct	186 ms	28116 KB	Output is correct
69	Correct	120 ms	20940 KB	Output is correct
70	Correct	64 ms	25924 KB	Output is correct
71	Correct	163 ms	27852 KB	Output is correct
72	Correct	131 ms	21292 KB	Output is correct
73	Correct	131 ms	21424 KB	Output is correct
74	Correct	151 ms	21432 KB	Output is correct
75	Correct	184 ms	27852 KB	Output is correct
76	Correct	140 ms	20884 KB	Output is correct
77	Correct	153 ms	24556 KB	Output is correct
78	Correct	169 ms	27888 KB	Output is correct
79	Correct	142 ms	19696 KB	Output is correct
80	Correct	146 ms	20940 KB	Output is correct
81	Correct	177 ms	23760 KB	Output is correct
82	Correct	184 ms	27092 KB	Output is correct
83	Correct	94 ms	20292 KB	Output is correct
84	Correct	42 ms	25288 KB	Output is correct
85	Correct	93 ms	26068 KB	Output is correct
86	Correct	93 ms	21032 KB	Output is correct
87	Correct	125 ms	20680 KB	Output is correct
88	Correct	160 ms	25568 KB	Output is correct
89	Correct	133 ms	20756 KB	Output is correct
90	Correct	131 ms	26064 KB	Output is correct
91	Correct	104 ms	19408 KB	Output is correct
92	Correct	135 ms	20960 KB	Output is correct
93	Correct	156 ms	26064 KB	Output is correct
94	Correct	122 ms	21064 KB	Output is correct
95	Incorrect	116 ms	27644 KB	Output isn't correct
96	Halted	0 ms	0 KB	-

답안 #926271

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