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답안 #926286

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
926286 2024-02-12T18:19:23 Z mansur Joker (BOI20_joker) C++17
71 / 100
 196 ms 28152 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 = 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;
	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);
	if (ps[m] == tr + 1) {
		for (int i = m + 1; i <= r; i++) 
			ps[i] = tr + 1;
	}else 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, 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: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 4 ms 16472 KB Output is correct
3 Correct 4 ms 16472 KB Output is correct
4 Correct 4 ms 16476 KB Output is correct
5 Correct 3 ms 16476 KB Output is correct
6 Correct 4 ms 16728 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 16476 KB Output is correct
12 Correct 4 ms 16472 KB Output is correct
13 Correct 3 ms 16472 KB Output is correct
14 Correct 3 ms 16472 KB Output is correct
15 Correct 3 ms 16476 KB Output is correct
16 Correct 3 ms 16476 KB Output is correct
17 Correct 5 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 3 ms 16476 KB Output is correct
21 Correct 3 ms 16516 KB Output is correct
22 Correct 3 ms 16476 KB Output is correct
23 Correct 3 ms 16512 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 16476 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 4 ms 16472 KB Output is correct
3 Correct 4 ms 16472 KB Output is correct
4 Correct 4 ms 16476 KB Output is correct
5 Correct 3 ms 16476 KB Output is correct
6 Correct 4 ms 16728 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 16476 KB Output is correct
12 Correct 4 ms 16472 KB Output is correct
13 Correct 3 ms 16472 KB Output is correct
14 Correct 3 ms 16472 KB Output is correct
15 Correct 3 ms 16476 KB Output is correct
16 Correct 3 ms 16476 KB Output is correct
17 Correct 5 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 3 ms 16476 KB Output is correct
21 Correct 3 ms 16516 KB Output is correct
22 Correct 3 ms 16476 KB Output is correct
23 Correct 3 ms 16512 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 16476 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 5 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 4 ms 16672 KB Output is correct
38 Correct 4 ms 16472 KB Output is correct
39 Correct 5 ms 16476 KB Output is correct
40 Correct 4 ms 16492 KB Output is correct
41 Correct 4 ms 16564 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 16476 KB Output is correct
46 Correct 4 ms 16476 KB Output is correct
47 Correct 4 ms 16472 KB Output is correct
48 Correct 7 ms 16476 KB Output is correct
49 Correct 4 ms 16476 KB Output is correct
50 Correct 5 ms 16476 KB Output is correct
51 Correct 4 ms 16476 KB Output is correct
52 Correct 4 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 4 ms 16472 KB Output is correct
3 Correct 113 ms 20940 KB Output is correct
4 Correct 64 ms 26604 KB Output is correct
5 Correct 112 ms 25848 KB Output is correct
6 Correct 97 ms 21448 KB Output is correct
7 Correct 107 ms 21316 KB Output is correct
8 Correct 101 ms 20456 KB Output is correct
9 Correct 115 ms 21196 KB Output is correct
10 Correct 145 ms 28104 KB Output is correct
11 Correct 123 ms 21192 KB Output is correct
12 Correct 130 ms 25044 KB Output is correct
13 Correct 111 ms 19668 KB Output is correct
14 Correct 104 ms 20344 KB Output is correct
15 Correct 146 ms 21748 KB Output is correct
16 Correct 154 ms 28108 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 4 ms 16472 KB Output is correct
3 Correct 4 ms 16472 KB Output is correct
4 Correct 4 ms 16476 KB Output is correct
5 Correct 3 ms 16476 KB Output is correct
6 Correct 4 ms 16728 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 16476 KB Output is correct
12 Correct 4 ms 16472 KB Output is correct
13 Correct 3 ms 16472 KB Output is correct
14 Correct 3 ms 16472 KB Output is correct
15 Correct 3 ms 16476 KB Output is correct
16 Correct 3 ms 16476 KB Output is correct
17 Correct 5 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 3 ms 16476 KB Output is correct
21 Correct 3 ms 16516 KB Output is correct
22 Correct 3 ms 16476 KB Output is correct
23 Correct 3 ms 16512 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 16476 KB Output is correct
29 Correct 113 ms 20940 KB Output is correct
30 Correct 64 ms 26604 KB Output is correct
31 Correct 112 ms 25848 KB Output is correct
32 Correct 97 ms 21448 KB Output is correct
33 Correct 107 ms 21316 KB Output is correct
34 Correct 101 ms 20456 KB Output is correct
35 Correct 115 ms 21196 KB Output is correct
36 Correct 145 ms 28104 KB Output is correct
37 Correct 123 ms 21192 KB Output is correct
38 Correct 130 ms 25044 KB Output is correct
39 Correct 111 ms 19668 KB Output is correct
40 Correct 104 ms 20344 KB Output is correct
41 Correct 146 ms 21748 KB Output is correct
42 Correct 154 ms 28108 KB Output is correct
43 Correct 114 ms 20904 KB Output is correct
44 Correct 66 ms 26568 KB Output is correct
45 Correct 178 ms 28152 KB Output is correct
46 Correct 95 ms 21452 KB Output is correct
47 Correct 101 ms 21328 KB Output is correct
48 Correct 126 ms 21228 KB Output is correct
49 Correct 161 ms 27888 KB Output is correct
50 Correct 120 ms 20824 KB Output is correct
51 Correct 130 ms 21484 KB Output is correct
52 Correct 143 ms 27120 KB Output is correct
53 Correct 115 ms 19668 KB Output is correct
54 Correct 135 ms 20936 KB Output is correct
55 Correct 143 ms 21744 KB Output is correct
56 Correct 196 ms 28140 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 4 ms 16472 KB Output is correct
3 Correct 4 ms 16472 KB Output is correct
4 Correct 4 ms 16476 KB Output is correct
5 Correct 3 ms 16476 KB Output is correct
6 Correct 4 ms 16728 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 16476 KB Output is correct
12 Correct 4 ms 16472 KB Output is correct
13 Correct 3 ms 16472 KB Output is correct
14 Correct 3 ms 16472 KB Output is correct
15 Correct 3 ms 16476 KB Output is correct
16 Correct 3 ms 16476 KB Output is correct
17 Correct 5 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 3 ms 16476 KB Output is correct
21 Correct 3 ms 16516 KB Output is correct
22 Correct 3 ms 16476 KB Output is correct
23 Correct 3 ms 16512 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 16476 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 5 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 4 ms 16672 KB Output is correct
38 Correct 4 ms 16472 KB Output is correct
39 Correct 5 ms 16476 KB Output is correct
40 Correct 4 ms 16492 KB Output is correct
41 Correct 4 ms 16564 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 16476 KB Output is correct
46 Correct 4 ms 16476 KB Output is correct
47 Correct 4 ms 16472 KB Output is correct
48 Correct 7 ms 16476 KB Output is correct
49 Correct 4 ms 16476 KB Output is correct
50 Correct 5 ms 16476 KB Output is correct
51 Correct 4 ms 16476 KB Output is correct
52 Correct 4 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 89 ms 20292 KB Output is correct
56 Correct 41 ms 24776 KB Output is correct
57 Correct 83 ms 24776 KB Output is correct
58 Correct 72 ms 20800 KB Output is correct
59 Correct 100 ms 20508 KB Output is correct
60 Correct 131 ms 23000 KB Output is correct
61 Correct 113 ms 20444 KB Output is correct
62 Correct 110 ms 26312 KB Output is correct
63 Correct 83 ms 19664 KB Output is correct
64 Correct 128 ms 20848 KB Output is correct
65 Correct 129 ms 25804 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 4 ms 16472 KB Output is correct
3 Correct 4 ms 16472 KB Output is correct
4 Correct 4 ms 16476 KB Output is correct
5 Correct 3 ms 16476 KB Output is correct
6 Correct 4 ms 16728 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 16476 KB Output is correct
12 Correct 4 ms 16472 KB Output is correct
13 Correct 3 ms 16472 KB Output is correct
14 Correct 3 ms 16472 KB Output is correct
15 Correct 3 ms 16476 KB Output is correct
16 Correct 3 ms 16476 KB Output is correct
17 Correct 5 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 3 ms 16476 KB Output is correct
21 Correct 3 ms 16516 KB Output is correct
22 Correct 3 ms 16476 KB Output is correct
23 Correct 3 ms 16512 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 16476 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 5 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 4 ms 16672 KB Output is correct
38 Correct 4 ms 16472 KB Output is correct
39 Correct 5 ms 16476 KB Output is correct
40 Correct 4 ms 16492 KB Output is correct
41 Correct 4 ms 16564 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 16476 KB Output is correct
46 Correct 4 ms 16476 KB Output is correct
47 Correct 4 ms 16472 KB Output is correct
48 Correct 7 ms 16476 KB Output is correct
49 Correct 4 ms 16476 KB Output is correct
50 Correct 5 ms 16476 KB Output is correct
51 Correct 4 ms 16476 KB Output is correct
52 Correct 4 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 113 ms 20940 KB Output is correct
56 Correct 64 ms 26604 KB Output is correct
57 Correct 112 ms 25848 KB Output is correct
58 Correct 97 ms 21448 KB Output is correct
59 Correct 107 ms 21316 KB Output is correct
60 Correct 101 ms 20456 KB Output is correct
61 Correct 115 ms 21196 KB Output is correct
62 Correct 145 ms 28104 KB Output is correct
63 Correct 123 ms 21192 KB Output is correct
64 Correct 130 ms 25044 KB Output is correct
65 Correct 111 ms 19668 KB Output is correct
66 Correct 104 ms 20344 KB Output is correct
67 Correct 146 ms 21748 KB Output is correct
68 Correct 154 ms 28108 KB Output is correct
69 Correct 114 ms 20904 KB Output is correct
70 Correct 66 ms 26568 KB Output is correct
71 Correct 178 ms 28152 KB Output is correct
72 Correct 95 ms 21452 KB Output is correct
73 Correct 101 ms 21328 KB Output is correct
74 Correct 126 ms 21228 KB Output is correct
75 Correct 161 ms 27888 KB Output is correct
76 Correct 120 ms 20824 KB Output is correct
77 Correct 130 ms 21484 KB Output is correct
78 Correct 143 ms 27120 KB Output is correct
79 Correct 115 ms 19668 KB Output is correct
80 Correct 135 ms 20936 KB Output is correct
81 Correct 143 ms 21744 KB Output is correct
82 Correct 196 ms 28140 KB Output is correct
83 Correct 89 ms 20292 KB Output is correct
84 Correct 41 ms 24776 KB Output is correct
85 Correct 83 ms 24776 KB Output is correct
86 Correct 72 ms 20800 KB Output is correct
87 Correct 100 ms 20508 KB Output is correct
88 Correct 131 ms 23000 KB Output is correct
89 Correct 113 ms 20444 KB Output is correct
90 Correct 110 ms 26312 KB Output is correct
91 Correct 83 ms 19664 KB Output is correct
92 Correct 128 ms 20848 KB Output is correct
93 Correct 129 ms 25804 KB Output is correct
94 Correct 121 ms 21024 KB Output is correct
95 Incorrect 144 ms 27760 KB Output isn't correct
96 Halted 0 ms 0 KB -