답안 #926263

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
926263	2024-02-12T18:01:10 Z	mansur	Joker (BOI20_joker)	C++17	71 / 100	191 ms	28148 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 + 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) % 2};
}
 
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) % 2;  	
	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 tl, 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, ps[m], tr);
	rb();
	if (!ps[m]) return;
	pt[sz(h)]++;
	for (int i = tr; i > ps[m]; i--)
		add(i);
	f(l, m - 1, tl, 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] = g[i + m] = {u, v};
	}
	for (int i = 1; i <= n; i++) 
		p[i] = i, sz[i] = 1;
	f(1, m, 1, 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: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	4 ms	16476 KB	Output is correct
4	Correct	3 ms	16476 KB	Output is correct
5	Correct	3 ms	16476 KB	Output is correct
6	Correct	3 ms	16476 KB	Output is correct
7	Correct	3 ms	16476 KB	Output is correct
8	Correct	3 ms	16476 KB	Output is correct
9	Correct	3 ms	16476 KB	Output is correct
10	Correct	4 ms	16476 KB	Output is correct
11	Correct	3 ms	16480 KB	Output is correct
12	Correct	3 ms	16476 KB	Output is correct
13	Correct	3 ms	16476 KB	Output is correct
14	Correct	3 ms	16476 KB	Output is correct
15	Correct	3 ms	16476 KB	Output is correct
16	Correct	4 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	3 ms	16476 KB	Output is correct
20	Correct	4 ms	16340 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	16476 KB	Output is correct
24	Correct	3 ms	16476 KB	Output is correct
25	Correct	3 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	4 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	4 ms	16476 KB	Output is correct
4	Correct	3 ms	16476 KB	Output is correct
5	Correct	3 ms	16476 KB	Output is correct
6	Correct	3 ms	16476 KB	Output is correct
7	Correct	3 ms	16476 KB	Output is correct
8	Correct	3 ms	16476 KB	Output is correct
9	Correct	3 ms	16476 KB	Output is correct
10	Correct	4 ms	16476 KB	Output is correct
11	Correct	3 ms	16480 KB	Output is correct
12	Correct	3 ms	16476 KB	Output is correct
13	Correct	3 ms	16476 KB	Output is correct
14	Correct	3 ms	16476 KB	Output is correct
15	Correct	3 ms	16476 KB	Output is correct
16	Correct	4 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	3 ms	16476 KB	Output is correct
20	Correct	4 ms	16340 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	16476 KB	Output is correct
24	Correct	3 ms	16476 KB	Output is correct
25	Correct	3 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	4 ms	16472 KB	Output is correct
29	Correct	3 ms	16476 KB	Output is correct
30	Correct	4 ms	16476 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	5 ms	16516 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	16472 KB	Output is correct
45	Correct	4 ms	16472 KB	Output is correct
46	Correct	4 ms	16476 KB	Output is correct
47	Correct	4 ms	16476 KB	Output is correct
48	Correct	5 ms	16476 KB	Output is correct
49	Correct	4 ms	16548 KB	Output is correct
50	Correct	4 ms	16476 KB	Output is correct
51	Correct	4 ms	16512 KB	Output is correct
52	Correct	5 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	124 ms	20940 KB	Output is correct
4	Correct	63 ms	26572 KB	Output is correct
5	Correct	119 ms	26096 KB	Output is correct
6	Correct	124 ms	21376 KB	Output is correct
7	Correct	142 ms	21448 KB	Output is correct
8	Correct	126 ms	20680 KB	Output is correct
9	Correct	142 ms	21448 KB	Output is correct
10	Correct	188 ms	27604 KB	Output is correct
11	Correct	148 ms	21328 KB	Output is correct
12	Correct	155 ms	25344 KB	Output is correct
13	Correct	135 ms	19664 KB	Output is correct
14	Correct	129 ms	20500 KB	Output is correct
15	Correct	180 ms	24012 KB	Output is correct
16	Correct	191 ms	27124 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	4 ms	16476 KB	Output is correct
4	Correct	3 ms	16476 KB	Output is correct
5	Correct	3 ms	16476 KB	Output is correct
6	Correct	3 ms	16476 KB	Output is correct
7	Correct	3 ms	16476 KB	Output is correct
8	Correct	3 ms	16476 KB	Output is correct
9	Correct	3 ms	16476 KB	Output is correct
10	Correct	4 ms	16476 KB	Output is correct
11	Correct	3 ms	16480 KB	Output is correct
12	Correct	3 ms	16476 KB	Output is correct
13	Correct	3 ms	16476 KB	Output is correct
14	Correct	3 ms	16476 KB	Output is correct
15	Correct	3 ms	16476 KB	Output is correct
16	Correct	4 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	3 ms	16476 KB	Output is correct
20	Correct	4 ms	16340 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	16476 KB	Output is correct
24	Correct	3 ms	16476 KB	Output is correct
25	Correct	3 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	4 ms	16472 KB	Output is correct
29	Correct	124 ms	20940 KB	Output is correct
30	Correct	63 ms	26572 KB	Output is correct
31	Correct	119 ms	26096 KB	Output is correct
32	Correct	124 ms	21376 KB	Output is correct
33	Correct	142 ms	21448 KB	Output is correct
34	Correct	126 ms	20680 KB	Output is correct
35	Correct	142 ms	21448 KB	Output is correct
36	Correct	188 ms	27604 KB	Output is correct
37	Correct	148 ms	21328 KB	Output is correct
38	Correct	155 ms	25344 KB	Output is correct
39	Correct	135 ms	19664 KB	Output is correct
40	Correct	129 ms	20500 KB	Output is correct
41	Correct	180 ms	24012 KB	Output is correct
42	Correct	191 ms	27124 KB	Output is correct
43	Correct	124 ms	20940 KB	Output is correct
44	Correct	67 ms	25544 KB	Output is correct
45	Correct	171 ms	27836 KB	Output is correct
46	Correct	116 ms	21448 KB	Output is correct
47	Correct	135 ms	21448 KB	Output is correct
48	Correct	153 ms	21500 KB	Output is correct
49	Correct	190 ms	28148 KB	Output is correct
50	Correct	149 ms	20896 KB	Output is correct
51	Correct	156 ms	23508 KB	Output is correct
52	Correct	169 ms	27084 KB	Output is correct
53	Correct	138 ms	19668 KB	Output is correct
54	Correct	155 ms	20996 KB	Output is correct
55	Correct	177 ms	22984 KB	Output is correct
56	Correct	186 ms	28108 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	4 ms	16476 KB	Output is correct
4	Correct	3 ms	16476 KB	Output is correct
5	Correct	3 ms	16476 KB	Output is correct
6	Correct	3 ms	16476 KB	Output is correct
7	Correct	3 ms	16476 KB	Output is correct
8	Correct	3 ms	16476 KB	Output is correct
9	Correct	3 ms	16476 KB	Output is correct
10	Correct	4 ms	16476 KB	Output is correct
11	Correct	3 ms	16480 KB	Output is correct
12	Correct	3 ms	16476 KB	Output is correct
13	Correct	3 ms	16476 KB	Output is correct
14	Correct	3 ms	16476 KB	Output is correct
15	Correct	3 ms	16476 KB	Output is correct
16	Correct	4 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	3 ms	16476 KB	Output is correct
20	Correct	4 ms	16340 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	16476 KB	Output is correct
24	Correct	3 ms	16476 KB	Output is correct
25	Correct	3 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	4 ms	16472 KB	Output is correct
29	Correct	3 ms	16476 KB	Output is correct
30	Correct	4 ms	16476 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	5 ms	16516 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	16472 KB	Output is correct
45	Correct	4 ms	16472 KB	Output is correct
46	Correct	4 ms	16476 KB	Output is correct
47	Correct	4 ms	16476 KB	Output is correct
48	Correct	5 ms	16476 KB	Output is correct
49	Correct	4 ms	16548 KB	Output is correct
50	Correct	4 ms	16476 KB	Output is correct
51	Correct	4 ms	16512 KB	Output is correct
52	Correct	5 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	96 ms	20428 KB	Output is correct
56	Correct	42 ms	24784 KB	Output is correct
57	Correct	94 ms	25592 KB	Output is correct
58	Correct	94 ms	20716 KB	Output is correct
59	Correct	128 ms	20716 KB	Output is correct
60	Correct	159 ms	26316 KB	Output is correct
61	Correct	137 ms	20816 KB	Output is correct
62	Correct	135 ms	26060 KB	Output is correct
63	Correct	105 ms	19320 KB	Output is correct
64	Correct	135 ms	21056 KB	Output is correct
65	Correct	164 ms	25292 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	4 ms	16476 KB	Output is correct
4	Correct	3 ms	16476 KB	Output is correct
5	Correct	3 ms	16476 KB	Output is correct
6	Correct	3 ms	16476 KB	Output is correct
7	Correct	3 ms	16476 KB	Output is correct
8	Correct	3 ms	16476 KB	Output is correct
9	Correct	3 ms	16476 KB	Output is correct
10	Correct	4 ms	16476 KB	Output is correct
11	Correct	3 ms	16480 KB	Output is correct
12	Correct	3 ms	16476 KB	Output is correct
13	Correct	3 ms	16476 KB	Output is correct
14	Correct	3 ms	16476 KB	Output is correct
15	Correct	3 ms	16476 KB	Output is correct
16	Correct	4 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	3 ms	16476 KB	Output is correct
20	Correct	4 ms	16340 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	16476 KB	Output is correct
24	Correct	3 ms	16476 KB	Output is correct
25	Correct	3 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	4 ms	16472 KB	Output is correct
29	Correct	3 ms	16476 KB	Output is correct
30	Correct	4 ms	16476 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	5 ms	16516 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	16472 KB	Output is correct
45	Correct	4 ms	16472 KB	Output is correct
46	Correct	4 ms	16476 KB	Output is correct
47	Correct	4 ms	16476 KB	Output is correct
48	Correct	5 ms	16476 KB	Output is correct
49	Correct	4 ms	16548 KB	Output is correct
50	Correct	4 ms	16476 KB	Output is correct
51	Correct	4 ms	16512 KB	Output is correct
52	Correct	5 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	124 ms	20940 KB	Output is correct
56	Correct	63 ms	26572 KB	Output is correct
57	Correct	119 ms	26096 KB	Output is correct
58	Correct	124 ms	21376 KB	Output is correct
59	Correct	142 ms	21448 KB	Output is correct
60	Correct	126 ms	20680 KB	Output is correct
61	Correct	142 ms	21448 KB	Output is correct
62	Correct	188 ms	27604 KB	Output is correct
63	Correct	148 ms	21328 KB	Output is correct
64	Correct	155 ms	25344 KB	Output is correct
65	Correct	135 ms	19664 KB	Output is correct
66	Correct	129 ms	20500 KB	Output is correct
67	Correct	180 ms	24012 KB	Output is correct
68	Correct	191 ms	27124 KB	Output is correct
69	Correct	124 ms	20940 KB	Output is correct
70	Correct	67 ms	25544 KB	Output is correct
71	Correct	171 ms	27836 KB	Output is correct
72	Correct	116 ms	21448 KB	Output is correct
73	Correct	135 ms	21448 KB	Output is correct
74	Correct	153 ms	21500 KB	Output is correct
75	Correct	190 ms	28148 KB	Output is correct
76	Correct	149 ms	20896 KB	Output is correct
77	Correct	156 ms	23508 KB	Output is correct
78	Correct	169 ms	27084 KB	Output is correct
79	Correct	138 ms	19668 KB	Output is correct
80	Correct	155 ms	20996 KB	Output is correct
81	Correct	177 ms	22984 KB	Output is correct
82	Correct	186 ms	28108 KB	Output is correct
83	Correct	96 ms	20428 KB	Output is correct
84	Correct	42 ms	24784 KB	Output is correct
85	Correct	94 ms	25592 KB	Output is correct
86	Correct	94 ms	20716 KB	Output is correct
87	Correct	128 ms	20716 KB	Output is correct
88	Correct	159 ms	26316 KB	Output is correct
89	Correct	137 ms	20816 KB	Output is correct
90	Correct	135 ms	26060 KB	Output is correct
91	Correct	105 ms	19320 KB	Output is correct
92	Correct	135 ms	21056 KB	Output is correct
93	Correct	164 ms	25292 KB	Output is correct
94	Correct	130 ms	21196 KB	Output is correct
95	Incorrect	119 ms	27332 KB	Output isn't correct
96	Halted	0 ms	0 KB	-

답안 #926263

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