답안 #926255

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
926255	2024-02-12T17:53:52 Z	mansur	Joker (BOI20_joker)	C++17	71 / 100	2000 ms	18644 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>;
      
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:126:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
  126 | main() {
      | ^~~~

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	12380 KB	Output is correct
2	Correct	3 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	3 ms	12516 KB	Output is correct
8	Correct	3 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	3 ms	12376 KB	Output is correct
12	Correct	3 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	4 ms	12380 KB	Output is correct
16	Correct	3 ms	12632 KB	Output is correct
17	Correct	3 ms	12380 KB	Output is correct
18	Correct	2 ms	12376 KB	Output is correct
19	Correct	2 ms	12380 KB	Output is correct
20	Correct	3 ms	12380 KB	Output is correct
21	Correct	3 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	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	3 ms	12380 KB	Output is correct

Subtask #2
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	12380 KB	Output is correct
2	Correct	3 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	3 ms	12516 KB	Output is correct
8	Correct	3 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	3 ms	12376 KB	Output is correct
12	Correct	3 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	4 ms	12380 KB	Output is correct
16	Correct	3 ms	12632 KB	Output is correct
17	Correct	3 ms	12380 KB	Output is correct
18	Correct	2 ms	12376 KB	Output is correct
19	Correct	2 ms	12380 KB	Output is correct
20	Correct	3 ms	12380 KB	Output is correct
21	Correct	3 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	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	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	4 ms	12636 KB	Output is correct
32	Correct	3 ms	12604 KB	Output is correct
33	Correct	3 ms	13044 KB	Output is correct
34	Correct	5 ms	12636 KB	Output is correct
35	Correct	4 ms	12636 KB	Output is correct
36	Correct	3 ms	12636 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	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	4 ms	12636 KB	Output is correct
45	Correct	3 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	4 ms	12636 KB	Output is correct
51	Correct	3 ms	12636 KB	Output is correct
52	Correct	3 ms	12636 KB	Output is correct
53	Correct	4 ms	12620 KB	Output is correct
54	Correct	3 ms	12636 KB	Output is correct

Subtask #3
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	12380 KB	Output is correct
2	Correct	3 ms	12380 KB	Output is correct
3	Correct	121 ms	15056 KB	Output is correct
4	Correct	170 ms	17864 KB	Output is correct
5	Correct	122 ms	17872 KB	Output is correct
6	Correct	114 ms	15016 KB	Output is correct
7	Correct	129 ms	15084 KB	Output is correct
8	Correct	123 ms	14428 KB	Output is correct
9	Correct	138 ms	15048 KB	Output is correct
10	Correct	181 ms	18092 KB	Output is correct
11	Correct	145 ms	14976 KB	Output is correct
12	Correct	152 ms	18120 KB	Output is correct
13	Correct	133 ms	13716 KB	Output is correct
14	Correct	126 ms	14440 KB	Output is correct
15	Correct	180 ms	17352 KB	Output is correct
16	Correct	180 ms	18636 KB	Output is correct

Subtask #4
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	12380 KB	Output is correct
2	Correct	3 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	3 ms	12516 KB	Output is correct
8	Correct	3 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	3 ms	12376 KB	Output is correct
12	Correct	3 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	4 ms	12380 KB	Output is correct
16	Correct	3 ms	12632 KB	Output is correct
17	Correct	3 ms	12380 KB	Output is correct
18	Correct	2 ms	12376 KB	Output is correct
19	Correct	2 ms	12380 KB	Output is correct
20	Correct	3 ms	12380 KB	Output is correct
21	Correct	3 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	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	3 ms	12380 KB	Output is correct
29	Correct	121 ms	15056 KB	Output is correct
30	Correct	170 ms	17864 KB	Output is correct
31	Correct	122 ms	17872 KB	Output is correct
32	Correct	114 ms	15016 KB	Output is correct
33	Correct	129 ms	15084 KB	Output is correct
34	Correct	123 ms	14428 KB	Output is correct
35	Correct	138 ms	15048 KB	Output is correct
36	Correct	181 ms	18092 KB	Output is correct
37	Correct	145 ms	14976 KB	Output is correct
38	Correct	152 ms	18120 KB	Output is correct
39	Correct	133 ms	13716 KB	Output is correct
40	Correct	126 ms	14440 KB	Output is correct
41	Correct	180 ms	17352 KB	Output is correct
42	Correct	180 ms	18636 KB	Output is correct
43	Correct	125 ms	15052 KB	Output is correct
44	Correct	183 ms	18644 KB	Output is correct
45	Correct	1324 ms	18632 KB	Output is correct
46	Correct	114 ms	15052 KB	Output is correct
47	Correct	131 ms	15052 KB	Output is correct
48	Correct	157 ms	15036 KB	Output is correct
49	Correct	184 ms	17356 KB	Output is correct
50	Correct	145 ms	14540 KB	Output is correct
51	Correct	150 ms	17868 KB	Output is correct
52	Correct	158 ms	17352 KB	Output is correct
53	Correct	145 ms	13820 KB	Output is correct
54	Correct	148 ms	14540 KB	Output is correct
55	Correct	171 ms	18124 KB	Output is correct
56	Correct	189 ms	17356 KB	Output is correct

Subtask #5
22.0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	12380 KB	Output is correct
2	Correct	3 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	3 ms	12516 KB	Output is correct
8	Correct	3 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	3 ms	12376 KB	Output is correct
12	Correct	3 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	4 ms	12380 KB	Output is correct
16	Correct	3 ms	12632 KB	Output is correct
17	Correct	3 ms	12380 KB	Output is correct
18	Correct	2 ms	12376 KB	Output is correct
19	Correct	2 ms	12380 KB	Output is correct
20	Correct	3 ms	12380 KB	Output is correct
21	Correct	3 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	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	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	4 ms	12636 KB	Output is correct
32	Correct	3 ms	12604 KB	Output is correct
33	Correct	3 ms	13044 KB	Output is correct
34	Correct	5 ms	12636 KB	Output is correct
35	Correct	4 ms	12636 KB	Output is correct
36	Correct	3 ms	12636 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	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	4 ms	12636 KB	Output is correct
45	Correct	3 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	4 ms	12636 KB	Output is correct
51	Correct	3 ms	12636 KB	Output is correct
52	Correct	3 ms	12636 KB	Output is correct
53	Correct	4 ms	12620 KB	Output is correct
54	Correct	3 ms	12636 KB	Output is correct
55	Correct	95 ms	14548 KB	Output is correct
56	Correct	139 ms	18592 KB	Output is correct
57	Correct	88 ms	18640 KB	Output is correct
58	Correct	98 ms	14800 KB	Output is correct
59	Correct	123 ms	14544 KB	Output is correct
60	Correct	155 ms	17108 KB	Output is correct
61	Correct	134 ms	14544 KB	Output is correct
62	Correct	132 ms	17832 KB	Output is correct
63	Correct	102 ms	13520 KB	Output is correct
64	Correct	133 ms	14804 KB	Output is correct
65	Correct	155 ms	17620 KB	Output is correct

Subtask #6
0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	12380 KB	Output is correct
2	Correct	3 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	3 ms	12516 KB	Output is correct
8	Correct	3 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	3 ms	12376 KB	Output is correct
12	Correct	3 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	4 ms	12380 KB	Output is correct
16	Correct	3 ms	12632 KB	Output is correct
17	Correct	3 ms	12380 KB	Output is correct
18	Correct	2 ms	12376 KB	Output is correct
19	Correct	2 ms	12380 KB	Output is correct
20	Correct	3 ms	12380 KB	Output is correct
21	Correct	3 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	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	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	4 ms	12636 KB	Output is correct
32	Correct	3 ms	12604 KB	Output is correct
33	Correct	3 ms	13044 KB	Output is correct
34	Correct	5 ms	12636 KB	Output is correct
35	Correct	4 ms	12636 KB	Output is correct
36	Correct	3 ms	12636 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	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	4 ms	12636 KB	Output is correct
45	Correct	3 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	4 ms	12636 KB	Output is correct
51	Correct	3 ms	12636 KB	Output is correct
52	Correct	3 ms	12636 KB	Output is correct
53	Correct	4 ms	12620 KB	Output is correct
54	Correct	3 ms	12636 KB	Output is correct
55	Correct	121 ms	15056 KB	Output is correct
56	Correct	170 ms	17864 KB	Output is correct
57	Correct	122 ms	17872 KB	Output is correct
58	Correct	114 ms	15016 KB	Output is correct
59	Correct	129 ms	15084 KB	Output is correct
60	Correct	123 ms	14428 KB	Output is correct
61	Correct	138 ms	15048 KB	Output is correct
62	Correct	181 ms	18092 KB	Output is correct
63	Correct	145 ms	14976 KB	Output is correct
64	Correct	152 ms	18120 KB	Output is correct
65	Correct	133 ms	13716 KB	Output is correct
66	Correct	126 ms	14440 KB	Output is correct
67	Correct	180 ms	17352 KB	Output is correct
68	Correct	180 ms	18636 KB	Output is correct
69	Correct	125 ms	15052 KB	Output is correct
70	Correct	183 ms	18644 KB	Output is correct
71	Correct	1324 ms	18632 KB	Output is correct
72	Correct	114 ms	15052 KB	Output is correct
73	Correct	131 ms	15052 KB	Output is correct
74	Correct	157 ms	15036 KB	Output is correct
75	Correct	184 ms	17356 KB	Output is correct
76	Correct	145 ms	14540 KB	Output is correct
77	Correct	150 ms	17868 KB	Output is correct
78	Correct	158 ms	17352 KB	Output is correct
79	Correct	145 ms	13820 KB	Output is correct
80	Correct	148 ms	14540 KB	Output is correct
81	Correct	171 ms	18124 KB	Output is correct
82	Correct	189 ms	17356 KB	Output is correct
83	Correct	95 ms	14548 KB	Output is correct
84	Correct	139 ms	18592 KB	Output is correct
85	Correct	88 ms	18640 KB	Output is correct
86	Correct	98 ms	14800 KB	Output is correct
87	Correct	123 ms	14544 KB	Output is correct
88	Correct	155 ms	17108 KB	Output is correct
89	Correct	134 ms	14544 KB	Output is correct
90	Correct	132 ms	17832 KB	Output is correct
91	Correct	102 ms	13520 KB	Output is correct
92	Correct	133 ms	14804 KB	Output is correct
93	Correct	155 ms	17620 KB	Output is correct
94	Correct	135 ms	15112 KB	Output is correct
95	Execution timed out	2073 ms	17104 KB	Time limit exceeded
96	Halted	0 ms	0 KB	-

답안 #926255

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