답안 #926232

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
926232	2024-02-12T17:38:50 Z	mansur	Joker (BOI20_joker)	C++17	71 / 100	2000 ms	20472 KB

Joker

#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx")
#pragma GCC optimize("Ofast,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<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) & 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)]) {
		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 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();
	}
}
//wenomechainsama

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	12380 KB	Output is correct
2	Correct	2 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	12380 KB	Output is correct
6	Correct	3 ms	12380 KB	Output is correct
7	Correct	2 ms	12380 KB	Output is correct
8	Correct	3 ms	12380 KB	Output is correct
9	Correct	3 ms	12588 KB	Output is correct
10	Correct	2 ms	12380 KB	Output is correct
11	Correct	3 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	12412 KB	Output is correct
15	Correct	2 ms	12380 KB	Output is correct
16	Correct	3 ms	12380 KB	Output is correct
17	Correct	2 ms	12376 KB	Output is correct
18	Correct	2 ms	12380 KB	Output is correct
19	Correct	2 ms	12380 KB	Output is correct
20	Correct	3 ms	12376 KB	Output is correct
21	Correct	2 ms	12380 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	12376 KB	Output is correct
26	Correct	2 ms	12380 KB	Output is correct
27	Correct	2 ms	12380 KB	Output is correct
28	Correct	3 ms	12380 KB	Output is correct

Subtask #2
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	12380 KB	Output is correct
2	Correct	2 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	12380 KB	Output is correct
6	Correct	3 ms	12380 KB	Output is correct
7	Correct	2 ms	12380 KB	Output is correct
8	Correct	3 ms	12380 KB	Output is correct
9	Correct	3 ms	12588 KB	Output is correct
10	Correct	2 ms	12380 KB	Output is correct
11	Correct	3 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	12412 KB	Output is correct
15	Correct	2 ms	12380 KB	Output is correct
16	Correct	3 ms	12380 KB	Output is correct
17	Correct	2 ms	12376 KB	Output is correct
18	Correct	2 ms	12380 KB	Output is correct
19	Correct	2 ms	12380 KB	Output is correct
20	Correct	3 ms	12376 KB	Output is correct
21	Correct	2 ms	12380 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	12376 KB	Output is correct
26	Correct	2 ms	12380 KB	Output is correct
27	Correct	2 ms	12380 KB	Output is correct
28	Correct	3 ms	12380 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	12636 KB	Output is correct
32	Correct	3 ms	12632 KB	Output is correct
33	Correct	3 ms	12636 KB	Output is correct
34	Correct	3 ms	12612 KB	Output is correct
35	Correct	4 ms	12636 KB	Output is correct
36	Correct	3 ms	12684 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	12636 KB	Output is correct
40	Correct	3 ms	12636 KB	Output is correct
41	Correct	3 ms	12684 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	12632 KB	Output is correct
45	Correct	4 ms	12636 KB	Output is correct
46	Correct	4 ms	12636 KB	Output is correct
47	Correct	3 ms	12636 KB	Output is correct
48	Correct	4 ms	12636 KB	Output is correct
49	Correct	3 ms	12636 KB	Output is correct
50	Correct	3 ms	12636 KB	Output is correct
51	Correct	3 ms	12636 KB	Output is correct
52	Correct	3 ms	12540 KB	Output is correct
53	Correct	3 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	2 ms	12380 KB	Output is correct
2	Correct	2 ms	12380 KB	Output is correct
3	Correct	125 ms	16844 KB	Output is correct
4	Correct	188 ms	19228 KB	Output is correct
5	Correct	128 ms	20428 KB	Output is correct
6	Correct	126 ms	16788 KB	Output is correct
7	Correct	146 ms	16912 KB	Output is correct
8	Correct	132 ms	15956 KB	Output is correct
9	Correct	149 ms	16992 KB	Output is correct
10	Correct	198 ms	20168 KB	Output is correct
11	Correct	160 ms	16836 KB	Output is correct
12	Correct	169 ms	19404 KB	Output is correct
13	Correct	144 ms	15524 KB	Output is correct
14	Correct	137 ms	16080 KB	Output is correct
15	Correct	192 ms	20472 KB	Output is correct
16	Correct	201 ms	19408 KB	Output is correct

Subtask #4
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	12380 KB	Output is correct
2	Correct	2 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	12380 KB	Output is correct
6	Correct	3 ms	12380 KB	Output is correct
7	Correct	2 ms	12380 KB	Output is correct
8	Correct	3 ms	12380 KB	Output is correct
9	Correct	3 ms	12588 KB	Output is correct
10	Correct	2 ms	12380 KB	Output is correct
11	Correct	3 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	12412 KB	Output is correct
15	Correct	2 ms	12380 KB	Output is correct
16	Correct	3 ms	12380 KB	Output is correct
17	Correct	2 ms	12376 KB	Output is correct
18	Correct	2 ms	12380 KB	Output is correct
19	Correct	2 ms	12380 KB	Output is correct
20	Correct	3 ms	12376 KB	Output is correct
21	Correct	2 ms	12380 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	12376 KB	Output is correct
26	Correct	2 ms	12380 KB	Output is correct
27	Correct	2 ms	12380 KB	Output is correct
28	Correct	3 ms	12380 KB	Output is correct
29	Correct	125 ms	16844 KB	Output is correct
30	Correct	188 ms	19228 KB	Output is correct
31	Correct	128 ms	20428 KB	Output is correct
32	Correct	126 ms	16788 KB	Output is correct
33	Correct	146 ms	16912 KB	Output is correct
34	Correct	132 ms	15956 KB	Output is correct
35	Correct	149 ms	16992 KB	Output is correct
36	Correct	198 ms	20168 KB	Output is correct
37	Correct	160 ms	16836 KB	Output is correct
38	Correct	169 ms	19404 KB	Output is correct
39	Correct	144 ms	15524 KB	Output is correct
40	Correct	137 ms	16080 KB	Output is correct
41	Correct	192 ms	20472 KB	Output is correct
42	Correct	201 ms	19408 KB	Output is correct
43	Correct	143 ms	15012 KB	Output is correct
44	Correct	181 ms	17100 KB	Output is correct
45	Correct	1386 ms	17352 KB	Output is correct
46	Correct	131 ms	14928 KB	Output is correct
47	Correct	136 ms	15012 KB	Output is correct
48	Correct	174 ms	15188 KB	Output is correct
49	Correct	207 ms	17872 KB	Output is correct
50	Correct	148 ms	14736 KB	Output is correct
51	Correct	161 ms	18640 KB	Output is correct
52	Correct	169 ms	17356 KB	Output is correct
53	Correct	144 ms	13736 KB	Output is correct
54	Correct	175 ms	14540 KB	Output is correct
55	Correct	187 ms	16852 KB	Output is correct
56	Correct	220 ms	18628 KB	Output is correct

Subtask #5
22.0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	12380 KB	Output is correct
2	Correct	2 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	12380 KB	Output is correct
6	Correct	3 ms	12380 KB	Output is correct
7	Correct	2 ms	12380 KB	Output is correct
8	Correct	3 ms	12380 KB	Output is correct
9	Correct	3 ms	12588 KB	Output is correct
10	Correct	2 ms	12380 KB	Output is correct
11	Correct	3 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	12412 KB	Output is correct
15	Correct	2 ms	12380 KB	Output is correct
16	Correct	3 ms	12380 KB	Output is correct
17	Correct	2 ms	12376 KB	Output is correct
18	Correct	2 ms	12380 KB	Output is correct
19	Correct	2 ms	12380 KB	Output is correct
20	Correct	3 ms	12376 KB	Output is correct
21	Correct	2 ms	12380 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	12376 KB	Output is correct
26	Correct	2 ms	12380 KB	Output is correct
27	Correct	2 ms	12380 KB	Output is correct
28	Correct	3 ms	12380 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	12636 KB	Output is correct
32	Correct	3 ms	12632 KB	Output is correct
33	Correct	3 ms	12636 KB	Output is correct
34	Correct	3 ms	12612 KB	Output is correct
35	Correct	4 ms	12636 KB	Output is correct
36	Correct	3 ms	12684 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	12636 KB	Output is correct
40	Correct	3 ms	12636 KB	Output is correct
41	Correct	3 ms	12684 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	12632 KB	Output is correct
45	Correct	4 ms	12636 KB	Output is correct
46	Correct	4 ms	12636 KB	Output is correct
47	Correct	3 ms	12636 KB	Output is correct
48	Correct	4 ms	12636 KB	Output is correct
49	Correct	3 ms	12636 KB	Output is correct
50	Correct	3 ms	12636 KB	Output is correct
51	Correct	3 ms	12636 KB	Output is correct
52	Correct	3 ms	12540 KB	Output is correct
53	Correct	3 ms	12636 KB	Output is correct
54	Correct	4 ms	12636 KB	Output is correct
55	Correct	101 ms	16280 KB	Output is correct
56	Correct	139 ms	19148 KB	Output is correct
57	Correct	108 ms	19372 KB	Output is correct
58	Correct	118 ms	14760 KB	Output is correct
59	Correct	171 ms	14540 KB	Output is correct
60	Correct	186 ms	17608 KB	Output is correct
61	Correct	148 ms	14540 KB	Output is correct
62	Correct	141 ms	17824 KB	Output is correct
63	Correct	106 ms	13748 KB	Output is correct
64	Correct	143 ms	14760 KB	Output is correct
65	Correct	171 ms	18348 KB	Output is correct

Subtask #6
0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	12380 KB	Output is correct
2	Correct	2 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	12380 KB	Output is correct
6	Correct	3 ms	12380 KB	Output is correct
7	Correct	2 ms	12380 KB	Output is correct
8	Correct	3 ms	12380 KB	Output is correct
9	Correct	3 ms	12588 KB	Output is correct
10	Correct	2 ms	12380 KB	Output is correct
11	Correct	3 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	12412 KB	Output is correct
15	Correct	2 ms	12380 KB	Output is correct
16	Correct	3 ms	12380 KB	Output is correct
17	Correct	2 ms	12376 KB	Output is correct
18	Correct	2 ms	12380 KB	Output is correct
19	Correct	2 ms	12380 KB	Output is correct
20	Correct	3 ms	12376 KB	Output is correct
21	Correct	2 ms	12380 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	12376 KB	Output is correct
26	Correct	2 ms	12380 KB	Output is correct
27	Correct	2 ms	12380 KB	Output is correct
28	Correct	3 ms	12380 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	12636 KB	Output is correct
32	Correct	3 ms	12632 KB	Output is correct
33	Correct	3 ms	12636 KB	Output is correct
34	Correct	3 ms	12612 KB	Output is correct
35	Correct	4 ms	12636 KB	Output is correct
36	Correct	3 ms	12684 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	12636 KB	Output is correct
40	Correct	3 ms	12636 KB	Output is correct
41	Correct	3 ms	12684 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	12632 KB	Output is correct
45	Correct	4 ms	12636 KB	Output is correct
46	Correct	4 ms	12636 KB	Output is correct
47	Correct	3 ms	12636 KB	Output is correct
48	Correct	4 ms	12636 KB	Output is correct
49	Correct	3 ms	12636 KB	Output is correct
50	Correct	3 ms	12636 KB	Output is correct
51	Correct	3 ms	12636 KB	Output is correct
52	Correct	3 ms	12540 KB	Output is correct
53	Correct	3 ms	12636 KB	Output is correct
54	Correct	4 ms	12636 KB	Output is correct
55	Correct	125 ms	16844 KB	Output is correct
56	Correct	188 ms	19228 KB	Output is correct
57	Correct	128 ms	20428 KB	Output is correct
58	Correct	126 ms	16788 KB	Output is correct
59	Correct	146 ms	16912 KB	Output is correct
60	Correct	132 ms	15956 KB	Output is correct
61	Correct	149 ms	16992 KB	Output is correct
62	Correct	198 ms	20168 KB	Output is correct
63	Correct	160 ms	16836 KB	Output is correct
64	Correct	169 ms	19404 KB	Output is correct
65	Correct	144 ms	15524 KB	Output is correct
66	Correct	137 ms	16080 KB	Output is correct
67	Correct	192 ms	20472 KB	Output is correct
68	Correct	201 ms	19408 KB	Output is correct
69	Correct	143 ms	15012 KB	Output is correct
70	Correct	181 ms	17100 KB	Output is correct
71	Correct	1386 ms	17352 KB	Output is correct
72	Correct	131 ms	14928 KB	Output is correct
73	Correct	136 ms	15012 KB	Output is correct
74	Correct	174 ms	15188 KB	Output is correct
75	Correct	207 ms	17872 KB	Output is correct
76	Correct	148 ms	14736 KB	Output is correct
77	Correct	161 ms	18640 KB	Output is correct
78	Correct	169 ms	17356 KB	Output is correct
79	Correct	144 ms	13736 KB	Output is correct
80	Correct	175 ms	14540 KB	Output is correct
81	Correct	187 ms	16852 KB	Output is correct
82	Correct	220 ms	18628 KB	Output is correct
83	Correct	101 ms	16280 KB	Output is correct
84	Correct	139 ms	19148 KB	Output is correct
85	Correct	108 ms	19372 KB	Output is correct
86	Correct	118 ms	14760 KB	Output is correct
87	Correct	171 ms	14540 KB	Output is correct
88	Correct	186 ms	17608 KB	Output is correct
89	Correct	148 ms	14540 KB	Output is correct
90	Correct	141 ms	17824 KB	Output is correct
91	Correct	106 ms	13748 KB	Output is correct
92	Correct	143 ms	14760 KB	Output is correct
93	Correct	171 ms	18348 KB	Output is correct
94	Correct	135 ms	15072 KB	Output is correct
95	Execution timed out	2052 ms	18592 KB	Time limit exceeded
96	Halted	0 ms	0 KB	-

답안 #926232

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