oj.uz

답안 #926261

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
926261 2024-02-12T18:00:14 Z mansur Joker (BOI20_joker) C++17
71 / 100
 195 ms 16540 KB 
#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 = 4e5 + 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 2 ms 9564 KB Output is correct
2 Correct 1 ms 9564 KB Output is correct
3 Correct 2 ms 9564 KB Output is correct
4 Correct 2 ms 9564 KB Output is correct
5 Correct 2 ms 9560 KB Output is correct
6 Correct 2 ms 9564 KB Output is correct
7 Correct 2 ms 9564 KB Output is correct
8 Correct 2 ms 9564 KB Output is correct
9 Correct 2 ms 9564 KB Output is correct
10 Correct 2 ms 9564 KB Output is correct
11 Correct 2 ms 9564 KB Output is correct
12 Correct 3 ms 9564 KB Output is correct
13 Correct 3 ms 9564 KB Output is correct
14 Correct 2 ms 9564 KB Output is correct
15 Correct 2 ms 9560 KB Output is correct
16 Correct 2 ms 9564 KB Output is correct
17 Correct 2 ms 9564 KB Output is correct
18 Correct 2 ms 9564 KB Output is correct
19 Correct 2 ms 9564 KB Output is correct
20 Correct 3 ms 9564 KB Output is correct
21 Correct 2 ms 9564 KB Output is correct
22 Correct 3 ms 9564 KB Output is correct
23 Correct 2 ms 9564 KB Output is correct
24 Correct 2 ms 9564 KB Output is correct
25 Correct 2 ms 9564 KB Output is correct
26 Correct 2 ms 9564 KB Output is correct
27 Correct 2 ms 9564 KB Output is correct
28 Correct 2 ms 9564 KB Output is correct

Subtask #2
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 9564 KB Output is correct
2 Correct 1 ms 9564 KB Output is correct
3 Correct 2 ms 9564 KB Output is correct
4 Correct 2 ms 9564 KB Output is correct
5 Correct 2 ms 9560 KB Output is correct
6 Correct 2 ms 9564 KB Output is correct
7 Correct 2 ms 9564 KB Output is correct
8 Correct 2 ms 9564 KB Output is correct
9 Correct 2 ms 9564 KB Output is correct
10 Correct 2 ms 9564 KB Output is correct
11 Correct 2 ms 9564 KB Output is correct
12 Correct 3 ms 9564 KB Output is correct
13 Correct 3 ms 9564 KB Output is correct
14 Correct 2 ms 9564 KB Output is correct
15 Correct 2 ms 9560 KB Output is correct
16 Correct 2 ms 9564 KB Output is correct
17 Correct 2 ms 9564 KB Output is correct
18 Correct 2 ms 9564 KB Output is correct
19 Correct 2 ms 9564 KB Output is correct
20 Correct 3 ms 9564 KB Output is correct
21 Correct 2 ms 9564 KB Output is correct
22 Correct 3 ms 9564 KB Output is correct
23 Correct 2 ms 9564 KB Output is correct
24 Correct 2 ms 9564 KB Output is correct
25 Correct 2 ms 9564 KB Output is correct
26 Correct 2 ms 9564 KB Output is correct
27 Correct 2 ms 9564 KB Output is correct
28 Correct 2 ms 9564 KB Output is correct
29 Correct 2 ms 9564 KB Output is correct
30 Correct 3 ms 9820 KB Output is correct
31 Correct 3 ms 9820 KB Output is correct
32 Correct 3 ms 9564 KB Output is correct
33 Correct 3 ms 9564 KB Output is correct
34 Correct 3 ms 9820 KB Output is correct
35 Correct 3 ms 9820 KB Output is correct
36 Correct 3 ms 9564 KB Output is correct
37 Correct 3 ms 9820 KB Output is correct
38 Correct 3 ms 9820 KB Output is correct
39 Correct 3 ms 9820 KB Output is correct
40 Correct 4 ms 9560 KB Output is correct
41 Correct 3 ms 9564 KB Output is correct
42 Correct 3 ms 9564 KB Output is correct
43 Correct 3 ms 9564 KB Output is correct
44 Correct 4 ms 9564 KB Output is correct
45 Correct 3 ms 9820 KB Output is correct
46 Correct 3 ms 9820 KB Output is correct
47 Correct 3 ms 9564 KB Output is correct
48 Correct 3 ms 9564 KB Output is correct
49 Correct 3 ms 9820 KB Output is correct
50 Correct 3 ms 9740 KB Output is correct
51 Correct 3 ms 9564 KB Output is correct
52 Correct 3 ms 9564 KB Output is correct
53 Correct 3 ms 9820 KB Output is correct
54 Correct 3 ms 9820 KB Output is correct

Subtask #3
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 9564 KB Output is correct
2 Correct 1 ms 9564 KB Output is correct
3 Correct 118 ms 12492 KB Output is correct
4 Correct 62 ms 16540 KB Output is correct
5 Correct 115 ms 15052 KB Output is correct
6 Correct 117 ms 12492 KB Output is correct
7 Correct 142 ms 12492 KB Output is correct
8 Correct 125 ms 11756 KB Output is correct
9 Correct 149 ms 12516 KB Output is correct
10 Correct 185 ms 14740 KB Output is correct
11 Correct 148 ms 12520 KB Output is correct
12 Correct 158 ms 16072 KB Output is correct
13 Correct 134 ms 10848 KB Output is correct
14 Correct 130 ms 11680 KB Output is correct
15 Correct 187 ms 15820 KB Output is correct
16 Correct 189 ms 14996 KB Output is correct

Subtask #4
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 9564 KB Output is correct
2 Correct 1 ms 9564 KB Output is correct
3 Correct 2 ms 9564 KB Output is correct
4 Correct 2 ms 9564 KB Output is correct
5 Correct 2 ms 9560 KB Output is correct
6 Correct 2 ms 9564 KB Output is correct
7 Correct 2 ms 9564 KB Output is correct
8 Correct 2 ms 9564 KB Output is correct
9 Correct 2 ms 9564 KB Output is correct
10 Correct 2 ms 9564 KB Output is correct
11 Correct 2 ms 9564 KB Output is correct
12 Correct 3 ms 9564 KB Output is correct
13 Correct 3 ms 9564 KB Output is correct
14 Correct 2 ms 9564 KB Output is correct
15 Correct 2 ms 9560 KB Output is correct
16 Correct 2 ms 9564 KB Output is correct
17 Correct 2 ms 9564 KB Output is correct
18 Correct 2 ms 9564 KB Output is correct
19 Correct 2 ms 9564 KB Output is correct
20 Correct 3 ms 9564 KB Output is correct
21 Correct 2 ms 9564 KB Output is correct
22 Correct 3 ms 9564 KB Output is correct
23 Correct 2 ms 9564 KB Output is correct
24 Correct 2 ms 9564 KB Output is correct
25 Correct 2 ms 9564 KB Output is correct
26 Correct 2 ms 9564 KB Output is correct
27 Correct 2 ms 9564 KB Output is correct
28 Correct 2 ms 9564 KB Output is correct
29 Correct 118 ms 12492 KB Output is correct
30 Correct 62 ms 16540 KB Output is correct
31 Correct 115 ms 15052 KB Output is correct
32 Correct 117 ms 12492 KB Output is correct
33 Correct 142 ms 12492 KB Output is correct
34 Correct 125 ms 11756 KB Output is correct
35 Correct 149 ms 12516 KB Output is correct
36 Correct 185 ms 14740 KB Output is correct
37 Correct 148 ms 12520 KB Output is correct
38 Correct 158 ms 16072 KB Output is correct
39 Correct 134 ms 10848 KB Output is correct
40 Correct 130 ms 11680 KB Output is correct
41 Correct 187 ms 15820 KB Output is correct
42 Correct 189 ms 14996 KB Output is correct
43 Correct 120 ms 12560 KB Output is correct
44 Correct 70 ms 15768 KB Output is correct
45 Correct 167 ms 14536 KB Output is correct
46 Correct 114 ms 12492 KB Output is correct
47 Correct 133 ms 12564 KB Output is correct
48 Correct 163 ms 12524 KB Output is correct
49 Correct 186 ms 15000 KB Output is correct
50 Correct 142 ms 11980 KB Output is correct
51 Correct 154 ms 14792 KB Output is correct
52 Correct 162 ms 15560 KB Output is correct
53 Correct 149 ms 10848 KB Output is correct
54 Correct 157 ms 12184 KB Output is correct
55 Correct 179 ms 16072 KB Output is correct
56 Correct 195 ms 16328 KB Output is correct

Subtask #5
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 9564 KB Output is correct
2 Correct 1 ms 9564 KB Output is correct
3 Correct 2 ms 9564 KB Output is correct
4 Correct 2 ms 9564 KB Output is correct
5 Correct 2 ms 9560 KB Output is correct
6 Correct 2 ms 9564 KB Output is correct
7 Correct 2 ms 9564 KB Output is correct
8 Correct 2 ms 9564 KB Output is correct
9 Correct 2 ms 9564 KB Output is correct
10 Correct 2 ms 9564 KB Output is correct
11 Correct 2 ms 9564 KB Output is correct
12 Correct 3 ms 9564 KB Output is correct
13 Correct 3 ms 9564 KB Output is correct
14 Correct 2 ms 9564 KB Output is correct
15 Correct 2 ms 9560 KB Output is correct
16 Correct 2 ms 9564 KB Output is correct
17 Correct 2 ms 9564 KB Output is correct
18 Correct 2 ms 9564 KB Output is correct
19 Correct 2 ms 9564 KB Output is correct
20 Correct 3 ms 9564 KB Output is correct
21 Correct 2 ms 9564 KB Output is correct
22 Correct 3 ms 9564 KB Output is correct
23 Correct 2 ms 9564 KB Output is correct
24 Correct 2 ms 9564 KB Output is correct
25 Correct 2 ms 9564 KB Output is correct
26 Correct 2 ms 9564 KB Output is correct
27 Correct 2 ms 9564 KB Output is correct
28 Correct 2 ms 9564 KB Output is correct
29 Correct 2 ms 9564 KB Output is correct
30 Correct 3 ms 9820 KB Output is correct
31 Correct 3 ms 9820 KB Output is correct
32 Correct 3 ms 9564 KB Output is correct
33 Correct 3 ms 9564 KB Output is correct
34 Correct 3 ms 9820 KB Output is correct
35 Correct 3 ms 9820 KB Output is correct
36 Correct 3 ms 9564 KB Output is correct
37 Correct 3 ms 9820 KB Output is correct
38 Correct 3 ms 9820 KB Output is correct
39 Correct 3 ms 9820 KB Output is correct
40 Correct 4 ms 9560 KB Output is correct
41 Correct 3 ms 9564 KB Output is correct
42 Correct 3 ms 9564 KB Output is correct
43 Correct 3 ms 9564 KB Output is correct
44 Correct 4 ms 9564 KB Output is correct
45 Correct 3 ms 9820 KB Output is correct
46 Correct 3 ms 9820 KB Output is correct
47 Correct 3 ms 9564 KB Output is correct
48 Correct 3 ms 9564 KB Output is correct
49 Correct 3 ms 9820 KB Output is correct
50 Correct 3 ms 9740 KB Output is correct
51 Correct 3 ms 9564 KB Output is correct
52 Correct 3 ms 9564 KB Output is correct
53 Correct 3 ms 9820 KB Output is correct
54 Correct 3 ms 9820 KB Output is correct
55 Correct 96 ms 12244 KB Output is correct
56 Correct 41 ms 16084 KB Output is correct
57 Correct 88 ms 14536 KB Output is correct
58 Correct 93 ms 12236 KB Output is correct
59 Correct 129 ms 12240 KB Output is correct
60 Correct 163 ms 15828 KB Output is correct
61 Correct 136 ms 12244 KB Output is correct
62 Correct 135 ms 15572 KB Output is correct
63 Correct 107 ms 10908 KB Output is correct
64 Correct 139 ms 12248 KB Output is correct
65 Correct 164 ms 15252 KB Output is correct

Subtask #6
0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 9564 KB Output is correct
2 Correct 1 ms 9564 KB Output is correct
3 Correct 2 ms 9564 KB Output is correct
4 Correct 2 ms 9564 KB Output is correct
5 Correct 2 ms 9560 KB Output is correct
6 Correct 2 ms 9564 KB Output is correct
7 Correct 2 ms 9564 KB Output is correct
8 Correct 2 ms 9564 KB Output is correct
9 Correct 2 ms 9564 KB Output is correct
10 Correct 2 ms 9564 KB Output is correct
11 Correct 2 ms 9564 KB Output is correct
12 Correct 3 ms 9564 KB Output is correct
13 Correct 3 ms 9564 KB Output is correct
14 Correct 2 ms 9564 KB Output is correct
15 Correct 2 ms 9560 KB Output is correct
16 Correct 2 ms 9564 KB Output is correct
17 Correct 2 ms 9564 KB Output is correct
18 Correct 2 ms 9564 KB Output is correct
19 Correct 2 ms 9564 KB Output is correct
20 Correct 3 ms 9564 KB Output is correct
21 Correct 2 ms 9564 KB Output is correct
22 Correct 3 ms 9564 KB Output is correct
23 Correct 2 ms 9564 KB Output is correct
24 Correct 2 ms 9564 KB Output is correct
25 Correct 2 ms 9564 KB Output is correct
26 Correct 2 ms 9564 KB Output is correct
27 Correct 2 ms 9564 KB Output is correct
28 Correct 2 ms 9564 KB Output is correct
29 Correct 2 ms 9564 KB Output is correct
30 Correct 3 ms 9820 KB Output is correct
31 Correct 3 ms 9820 KB Output is correct
32 Correct 3 ms 9564 KB Output is correct
33 Correct 3 ms 9564 KB Output is correct
34 Correct 3 ms 9820 KB Output is correct
35 Correct 3 ms 9820 KB Output is correct
36 Correct 3 ms 9564 KB Output is correct
37 Correct 3 ms 9820 KB Output is correct
38 Correct 3 ms 9820 KB Output is correct
39 Correct 3 ms 9820 KB Output is correct
40 Correct 4 ms 9560 KB Output is correct
41 Correct 3 ms 9564 KB Output is correct
42 Correct 3 ms 9564 KB Output is correct
43 Correct 3 ms 9564 KB Output is correct
44 Correct 4 ms 9564 KB Output is correct
45 Correct 3 ms 9820 KB Output is correct
46 Correct 3 ms 9820 KB Output is correct
47 Correct 3 ms 9564 KB Output is correct
48 Correct 3 ms 9564 KB Output is correct
49 Correct 3 ms 9820 KB Output is correct
50 Correct 3 ms 9740 KB Output is correct
51 Correct 3 ms 9564 KB Output is correct
52 Correct 3 ms 9564 KB Output is correct
53 Correct 3 ms 9820 KB Output is correct
54 Correct 3 ms 9820 KB Output is correct
55 Correct 118 ms 12492 KB Output is correct
56 Correct 62 ms 16540 KB Output is correct
57 Correct 115 ms 15052 KB Output is correct
58 Correct 117 ms 12492 KB Output is correct
59 Correct 142 ms 12492 KB Output is correct
60 Correct 125 ms 11756 KB Output is correct
61 Correct 149 ms 12516 KB Output is correct
62 Correct 185 ms 14740 KB Output is correct
63 Correct 148 ms 12520 KB Output is correct
64 Correct 158 ms 16072 KB Output is correct
65 Correct 134 ms 10848 KB Output is correct
66 Correct 130 ms 11680 KB Output is correct
67 Correct 187 ms 15820 KB Output is correct
68 Correct 189 ms 14996 KB Output is correct
69 Correct 120 ms 12560 KB Output is correct
70 Correct 70 ms 15768 KB Output is correct
71 Correct 167 ms 14536 KB Output is correct
72 Correct 114 ms 12492 KB Output is correct
73 Correct 133 ms 12564 KB Output is correct
74 Correct 163 ms 12524 KB Output is correct
75 Correct 186 ms 15000 KB Output is correct
76 Correct 142 ms 11980 KB Output is correct
77 Correct 154 ms 14792 KB Output is correct
78 Correct 162 ms 15560 KB Output is correct
79 Correct 149 ms 10848 KB Output is correct
80 Correct 157 ms 12184 KB Output is correct
81 Correct 179 ms 16072 KB Output is correct
82 Correct 195 ms 16328 KB Output is correct
83 Correct 96 ms 12244 KB Output is correct
84 Correct 41 ms 16084 KB Output is correct
85 Correct 88 ms 14536 KB Output is correct
86 Correct 93 ms 12236 KB Output is correct
87 Correct 129 ms 12240 KB Output is correct
88 Correct 163 ms 15828 KB Output is correct
89 Correct 136 ms 12244 KB Output is correct
90 Correct 135 ms 15572 KB Output is correct
91 Correct 107 ms 10908 KB Output is correct
92 Correct 139 ms 12248 KB Output is correct
93 Correct 164 ms 15252 KB Output is correct
94 Correct 124 ms 12488 KB Output is correct
95 Incorrect 119 ms 14540 KB Output isn't correct
96 Halted 0 ms 0 KB -