답안 #926746

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
926746	2024-02-13T15:43:11 Z	mansur	Joker (BOI20_joker)	C++17	100 / 100	203 ms	33988 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;
	if (u == -1) return;
	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)]++;
	for (int i = tr; 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, 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};
	}
	g[m + 1] = {-1, -1};
	for (int i = 1; i <= n; i++) 
		p[i] = i, sz[i] = 1;
	f(1, m, m + 1);
	for (int i = 1; i <= q; i++) {
		int l, r;
		cin >> l >> r;
		l = max(l, 1);
		r = min(r, m);
		if (ps[l] > r) cout << "YES\n";
		else cout << "NO\n";
	}
}                                                                           
 
main() {
	ios_base::sync_with_stdio(0);	                                                                                       
	cin.tie(0);
	int tp = 1;
	if (flg) cin >> tp;
	while (tp--) {  	
		slv();
	}
}

Compilation message

Joker.cpp:132:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
  132 | 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	16264 KB	Output is correct
4	Correct	3 ms	16472 KB	Output is correct
5	Correct	4 ms	16472 KB	Output is correct
6	Correct	3 ms	16472 KB	Output is correct
7	Correct	3 ms	16476 KB	Output is correct
8	Correct	3 ms	16476 KB	Output is correct
9	Correct	4 ms	16476 KB	Output is correct
10	Correct	3 ms	16476 KB	Output is correct
11	Correct	3 ms	16516 KB	Output is correct
12	Correct	3 ms	16476 KB	Output is correct
13	Correct	3 ms	16332 KB	Output is correct
14	Correct	3 ms	16476 KB	Output is correct
15	Correct	3 ms	16476 KB	Output is correct
16	Correct	3 ms	16476 KB	Output is correct
17	Correct	3 ms	16476 KB	Output is correct
18	Correct	3 ms	16476 KB	Output is correct
19	Correct	4 ms	16728 KB	Output is correct
20	Correct	3 ms	16472 KB	Output is correct
21	Correct	3 ms	16476 KB	Output is correct
22	Correct	4 ms	16476 KB	Output is correct
23	Correct	3 ms	16476 KB	Output is correct
24	Correct	3 ms	16476 KB	Output is correct
25	Correct	4 ms	16476 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	16264 KB	Output is correct
4	Correct	3 ms	16472 KB	Output is correct
5	Correct	4 ms	16472 KB	Output is correct
6	Correct	3 ms	16472 KB	Output is correct
7	Correct	3 ms	16476 KB	Output is correct
8	Correct	3 ms	16476 KB	Output is correct
9	Correct	4 ms	16476 KB	Output is correct
10	Correct	3 ms	16476 KB	Output is correct
11	Correct	3 ms	16516 KB	Output is correct
12	Correct	3 ms	16476 KB	Output is correct
13	Correct	3 ms	16332 KB	Output is correct
14	Correct	3 ms	16476 KB	Output is correct
15	Correct	3 ms	16476 KB	Output is correct
16	Correct	3 ms	16476 KB	Output is correct
17	Correct	3 ms	16476 KB	Output is correct
18	Correct	3 ms	16476 KB	Output is correct
19	Correct	4 ms	16728 KB	Output is correct
20	Correct	3 ms	16472 KB	Output is correct
21	Correct	3 ms	16476 KB	Output is correct
22	Correct	4 ms	16476 KB	Output is correct
23	Correct	3 ms	16476 KB	Output is correct
24	Correct	3 ms	16476 KB	Output is correct
25	Correct	4 ms	16476 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	3 ms	16476 KB	Output is correct
30	Correct	4 ms	16552 KB	Output is correct
31	Correct	4 ms	16476 KB	Output is correct
32	Correct	4 ms	16324 KB	Output is correct
33	Correct	4 ms	16476 KB	Output is correct
34	Correct	5 ms	16356 KB	Output is correct
35	Correct	4 ms	16476 KB	Output is correct
36	Correct	4 ms	16476 KB	Output is correct
37	Correct	5 ms	16476 KB	Output is correct
38	Correct	4 ms	16472 KB	Output is correct
39	Correct	4 ms	16476 KB	Output is correct
40	Correct	4 ms	16476 KB	Output is correct
41	Correct	5 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	16476 KB	Output is correct
45	Correct	4 ms	16476 KB	Output is correct
46	Correct	4 ms	16476 KB	Output is correct
47	Correct	5 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	4 ms	16476 KB	Output is correct
52	Correct	4 ms	16568 KB	Output is correct
53	Correct	5 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	122 ms	21072 KB	Output is correct
4	Correct	63 ms	25036 KB	Output is correct
5	Correct	116 ms	25340 KB	Output is correct
6	Correct	116 ms	21452 KB	Output is correct
7	Correct	137 ms	21448 KB	Output is correct
8	Correct	123 ms	20576 KB	Output is correct
9	Correct	140 ms	21456 KB	Output is correct
10	Correct	180 ms	28404 KB	Output is correct
11	Correct	148 ms	21448 KB	Output is correct
12	Correct	155 ms	25804 KB	Output is correct
13	Correct	133 ms	19668 KB	Output is correct
14	Correct	127 ms	20428 KB	Output is correct
15	Correct	191 ms	23288 KB	Output is correct
16	Correct	186 ms	28100 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	16264 KB	Output is correct
4	Correct	3 ms	16472 KB	Output is correct
5	Correct	4 ms	16472 KB	Output is correct
6	Correct	3 ms	16472 KB	Output is correct
7	Correct	3 ms	16476 KB	Output is correct
8	Correct	3 ms	16476 KB	Output is correct
9	Correct	4 ms	16476 KB	Output is correct
10	Correct	3 ms	16476 KB	Output is correct
11	Correct	3 ms	16516 KB	Output is correct
12	Correct	3 ms	16476 KB	Output is correct
13	Correct	3 ms	16332 KB	Output is correct
14	Correct	3 ms	16476 KB	Output is correct
15	Correct	3 ms	16476 KB	Output is correct
16	Correct	3 ms	16476 KB	Output is correct
17	Correct	3 ms	16476 KB	Output is correct
18	Correct	3 ms	16476 KB	Output is correct
19	Correct	4 ms	16728 KB	Output is correct
20	Correct	3 ms	16472 KB	Output is correct
21	Correct	3 ms	16476 KB	Output is correct
22	Correct	4 ms	16476 KB	Output is correct
23	Correct	3 ms	16476 KB	Output is correct
24	Correct	3 ms	16476 KB	Output is correct
25	Correct	4 ms	16476 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	122 ms	21072 KB	Output is correct
30	Correct	63 ms	25036 KB	Output is correct
31	Correct	116 ms	25340 KB	Output is correct
32	Correct	116 ms	21452 KB	Output is correct
33	Correct	137 ms	21448 KB	Output is correct
34	Correct	123 ms	20576 KB	Output is correct
35	Correct	140 ms	21456 KB	Output is correct
36	Correct	180 ms	28404 KB	Output is correct
37	Correct	148 ms	21448 KB	Output is correct
38	Correct	155 ms	25804 KB	Output is correct
39	Correct	133 ms	19668 KB	Output is correct
40	Correct	127 ms	20428 KB	Output is correct
41	Correct	191 ms	23288 KB	Output is correct
42	Correct	186 ms	28100 KB	Output is correct
43	Correct	144 ms	20936 KB	Output is correct
44	Correct	65 ms	26056 KB	Output is correct
45	Correct	176 ms	28200 KB	Output is correct
46	Correct	119 ms	21488 KB	Output is correct
47	Correct	127 ms	21452 KB	Output is correct
48	Correct	156 ms	21568 KB	Output is correct
49	Correct	196 ms	28104 KB	Output is correct
50	Correct	141 ms	20936 KB	Output is correct
51	Correct	150 ms	22732 KB	Output is correct
52	Correct	164 ms	28104 KB	Output is correct
53	Correct	137 ms	19684 KB	Output is correct
54	Correct	150 ms	21012 KB	Output is correct
55	Correct	185 ms	23240 KB	Output is correct
56	Correct	186 ms	27080 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	16264 KB	Output is correct
4	Correct	3 ms	16472 KB	Output is correct
5	Correct	4 ms	16472 KB	Output is correct
6	Correct	3 ms	16472 KB	Output is correct
7	Correct	3 ms	16476 KB	Output is correct
8	Correct	3 ms	16476 KB	Output is correct
9	Correct	4 ms	16476 KB	Output is correct
10	Correct	3 ms	16476 KB	Output is correct
11	Correct	3 ms	16516 KB	Output is correct
12	Correct	3 ms	16476 KB	Output is correct
13	Correct	3 ms	16332 KB	Output is correct
14	Correct	3 ms	16476 KB	Output is correct
15	Correct	3 ms	16476 KB	Output is correct
16	Correct	3 ms	16476 KB	Output is correct
17	Correct	3 ms	16476 KB	Output is correct
18	Correct	3 ms	16476 KB	Output is correct
19	Correct	4 ms	16728 KB	Output is correct
20	Correct	3 ms	16472 KB	Output is correct
21	Correct	3 ms	16476 KB	Output is correct
22	Correct	4 ms	16476 KB	Output is correct
23	Correct	3 ms	16476 KB	Output is correct
24	Correct	3 ms	16476 KB	Output is correct
25	Correct	4 ms	16476 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	3 ms	16476 KB	Output is correct
30	Correct	4 ms	16552 KB	Output is correct
31	Correct	4 ms	16476 KB	Output is correct
32	Correct	4 ms	16324 KB	Output is correct
33	Correct	4 ms	16476 KB	Output is correct
34	Correct	5 ms	16356 KB	Output is correct
35	Correct	4 ms	16476 KB	Output is correct
36	Correct	4 ms	16476 KB	Output is correct
37	Correct	5 ms	16476 KB	Output is correct
38	Correct	4 ms	16472 KB	Output is correct
39	Correct	4 ms	16476 KB	Output is correct
40	Correct	4 ms	16476 KB	Output is correct
41	Correct	5 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	16476 KB	Output is correct
45	Correct	4 ms	16476 KB	Output is correct
46	Correct	4 ms	16476 KB	Output is correct
47	Correct	5 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	4 ms	16476 KB	Output is correct
52	Correct	4 ms	16568 KB	Output is correct
53	Correct	5 ms	16476 KB	Output is correct
54	Correct	4 ms	16476 KB	Output is correct
55	Correct	96 ms	20552 KB	Output is correct
56	Correct	42 ms	25292 KB	Output is correct
57	Correct	89 ms	25552 KB	Output is correct
58	Correct	99 ms	20776 KB	Output is correct
59	Correct	134 ms	20768 KB	Output is correct
60	Correct	161 ms	26572 KB	Output is correct
61	Correct	140 ms	20680 KB	Output is correct
62	Correct	136 ms	24776 KB	Output is correct
63	Correct	107 ms	19408 KB	Output is correct
64	Correct	144 ms	21096 KB	Output is correct
65	Correct	174 ms	26580 KB	Output is correct

Subtask #6
29.0 / 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	16264 KB	Output is correct
4	Correct	3 ms	16472 KB	Output is correct
5	Correct	4 ms	16472 KB	Output is correct
6	Correct	3 ms	16472 KB	Output is correct
7	Correct	3 ms	16476 KB	Output is correct
8	Correct	3 ms	16476 KB	Output is correct
9	Correct	4 ms	16476 KB	Output is correct
10	Correct	3 ms	16476 KB	Output is correct
11	Correct	3 ms	16516 KB	Output is correct
12	Correct	3 ms	16476 KB	Output is correct
13	Correct	3 ms	16332 KB	Output is correct
14	Correct	3 ms	16476 KB	Output is correct
15	Correct	3 ms	16476 KB	Output is correct
16	Correct	3 ms	16476 KB	Output is correct
17	Correct	3 ms	16476 KB	Output is correct
18	Correct	3 ms	16476 KB	Output is correct
19	Correct	4 ms	16728 KB	Output is correct
20	Correct	3 ms	16472 KB	Output is correct
21	Correct	3 ms	16476 KB	Output is correct
22	Correct	4 ms	16476 KB	Output is correct
23	Correct	3 ms	16476 KB	Output is correct
24	Correct	3 ms	16476 KB	Output is correct
25	Correct	4 ms	16476 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	3 ms	16476 KB	Output is correct
30	Correct	4 ms	16552 KB	Output is correct
31	Correct	4 ms	16476 KB	Output is correct
32	Correct	4 ms	16324 KB	Output is correct
33	Correct	4 ms	16476 KB	Output is correct
34	Correct	5 ms	16356 KB	Output is correct
35	Correct	4 ms	16476 KB	Output is correct
36	Correct	4 ms	16476 KB	Output is correct
37	Correct	5 ms	16476 KB	Output is correct
38	Correct	4 ms	16472 KB	Output is correct
39	Correct	4 ms	16476 KB	Output is correct
40	Correct	4 ms	16476 KB	Output is correct
41	Correct	5 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	16476 KB	Output is correct
45	Correct	4 ms	16476 KB	Output is correct
46	Correct	4 ms	16476 KB	Output is correct
47	Correct	5 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	4 ms	16476 KB	Output is correct
52	Correct	4 ms	16568 KB	Output is correct
53	Correct	5 ms	16476 KB	Output is correct
54	Correct	4 ms	16476 KB	Output is correct
55	Correct	122 ms	21072 KB	Output is correct
56	Correct	63 ms	25036 KB	Output is correct
57	Correct	116 ms	25340 KB	Output is correct
58	Correct	116 ms	21452 KB	Output is correct
59	Correct	137 ms	21448 KB	Output is correct
60	Correct	123 ms	20576 KB	Output is correct
61	Correct	140 ms	21456 KB	Output is correct
62	Correct	180 ms	28404 KB	Output is correct
63	Correct	148 ms	21448 KB	Output is correct
64	Correct	155 ms	25804 KB	Output is correct
65	Correct	133 ms	19668 KB	Output is correct
66	Correct	127 ms	20428 KB	Output is correct
67	Correct	191 ms	23288 KB	Output is correct
68	Correct	186 ms	28100 KB	Output is correct
69	Correct	144 ms	20936 KB	Output is correct
70	Correct	65 ms	26056 KB	Output is correct
71	Correct	176 ms	28200 KB	Output is correct
72	Correct	119 ms	21488 KB	Output is correct
73	Correct	127 ms	21452 KB	Output is correct
74	Correct	156 ms	21568 KB	Output is correct
75	Correct	196 ms	28104 KB	Output is correct
76	Correct	141 ms	20936 KB	Output is correct
77	Correct	150 ms	22732 KB	Output is correct
78	Correct	164 ms	28104 KB	Output is correct
79	Correct	137 ms	19684 KB	Output is correct
80	Correct	150 ms	21012 KB	Output is correct
81	Correct	185 ms	23240 KB	Output is correct
82	Correct	186 ms	27080 KB	Output is correct
83	Correct	96 ms	20552 KB	Output is correct
84	Correct	42 ms	25292 KB	Output is correct
85	Correct	89 ms	25552 KB	Output is correct
86	Correct	99 ms	20776 KB	Output is correct
87	Correct	134 ms	20768 KB	Output is correct
88	Correct	161 ms	26572 KB	Output is correct
89	Correct	140 ms	20680 KB	Output is correct
90	Correct	136 ms	24776 KB	Output is correct
91	Correct	107 ms	19408 KB	Output is correct
92	Correct	144 ms	21096 KB	Output is correct
93	Correct	174 ms	26580 KB	Output is correct
94	Correct	124 ms	20940 KB	Output is correct
95	Correct	171 ms	28104 KB	Output is correct
96	Correct	135 ms	31172 KB	Output is correct
97	Correct	125 ms	26316 KB	Output is correct
98	Correct	140 ms	26464 KB	Output is correct
99	Correct	149 ms	25288 KB	Output is correct
100	Correct	180 ms	32524 KB	Output is correct
101	Correct	150 ms	25804 KB	Output is correct
102	Correct	167 ms	29020 KB	Output is correct
103	Correct	188 ms	33220 KB	Output is correct
104	Correct	144 ms	25072 KB	Output is correct
105	Correct	172 ms	26828 KB	Output is correct
106	Correct	203 ms	29848 KB	Output is correct
107	Correct	112 ms	33988 KB	Output is correct
108	Correct	126 ms	25756 KB	Output is correct
109	Correct	128 ms	25916 KB	Output is correct
110	Correct	121 ms	25804 KB	Output is correct
111	Correct	126 ms	25804 KB	Output is correct
112	Correct	123 ms	25804 KB	Output is correct
113	Correct	126 ms	25800 KB	Output is correct
114	Correct	121 ms	25804 KB	Output is correct
115	Correct	125 ms	25672 KB	Output is correct
116	Correct	127 ms	25964 KB	Output is correct

답안 #926746

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 29.0 / 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
29.0 / 29.0