oj.uz

Submission #926219

# Submission time Handle Problem Language Result Execution time Memory
926219 2024-02-12T17:32:16 Z mansur Joker (BOI20_joker) C++17
71 / 100
 2000 ms 16260 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 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

# Verdict Execution time Memory Grader output
1 Correct 2 ms 9564 KB Output is correct
2 Correct 2 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 9564 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 2 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 9564 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 2 ms 9564 KB Output is correct
21 Correct 2 ms 9524 KB Output is correct
22 Correct 2 ms 9560 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 3 ms 9564 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 9564 KB Output is correct
2 Correct 2 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 9564 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 2 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 9564 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 2 ms 9564 KB Output is correct
21 Correct 2 ms 9524 KB Output is correct
22 Correct 2 ms 9560 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 3 ms 9564 KB Output is correct
29 Correct 3 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 9820 KB Output is correct
33 Correct 2 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 4 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 3 ms 9820 KB Output is correct
41 Correct 4 ms 9564 KB Output is correct
42 Correct 3 ms 9816 KB Output is correct
43 Correct 3 ms 9564 KB Output is correct
44 Correct 3 ms 9564 KB Output is correct
45 Correct 3 ms 9820 KB Output is correct
46 Correct 3 ms 9816 KB Output is correct
47 Correct 2 ms 9564 KB Output is correct
48 Correct 4 ms 9564 KB Output is correct
49 Correct 3 ms 9820 KB Output is correct
50 Correct 3 ms 9816 KB Output is correct
51 Correct 3 ms 9816 KB Output is correct
52 Correct 3 ms 9564 KB Output is correct
53 Correct 3 ms 9816 KB Output is correct
54 Correct 3 ms 9816 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 9564 KB Output is correct
2 Correct 2 ms 9564 KB Output is correct
3 Correct 138 ms 12560 KB Output is correct
4 Correct 194 ms 15004 KB Output is correct
5 Correct 125 ms 16072 KB Output is correct
6 Correct 127 ms 12484 KB Output is correct
7 Correct 150 ms 13004 KB Output is correct
8 Correct 135 ms 11724 KB Output is correct
9 Correct 155 ms 12584 KB Output is correct
10 Correct 202 ms 15820 KB Output is correct
11 Correct 161 ms 12488 KB Output is correct
12 Correct 170 ms 14792 KB Output is correct
13 Correct 143 ms 10964 KB Output is correct
14 Correct 137 ms 11688 KB Output is correct
15 Correct 194 ms 14500 KB Output is correct
16 Correct 213 ms 14804 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 9564 KB Output is correct
2 Correct 2 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 9564 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 2 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 9564 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 2 ms 9564 KB Output is correct
21 Correct 2 ms 9524 KB Output is correct
22 Correct 2 ms 9560 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 3 ms 9564 KB Output is correct
29 Correct 138 ms 12560 KB Output is correct
30 Correct 194 ms 15004 KB Output is correct
31 Correct 125 ms 16072 KB Output is correct
32 Correct 127 ms 12484 KB Output is correct
33 Correct 150 ms 13004 KB Output is correct
34 Correct 135 ms 11724 KB Output is correct
35 Correct 155 ms 12584 KB Output is correct
36 Correct 202 ms 15820 KB Output is correct
37 Correct 161 ms 12488 KB Output is correct
38 Correct 170 ms 14792 KB Output is correct
39 Correct 143 ms 10964 KB Output is correct
40 Correct 137 ms 11688 KB Output is correct
41 Correct 194 ms 14500 KB Output is correct
42 Correct 213 ms 14804 KB Output is correct
43 Correct 124 ms 12440 KB Output is correct
44 Correct 198 ms 15824 KB Output is correct
45 Correct 1534 ms 15824 KB Output is correct
46 Correct 122 ms 12556 KB Output is correct
47 Correct 143 ms 12544 KB Output is correct
48 Correct 201 ms 12472 KB Output is correct
49 Correct 226 ms 15348 KB Output is correct
50 Correct 181 ms 12156 KB Output is correct
51 Correct 176 ms 15056 KB Output is correct
52 Correct 185 ms 15504 KB Output is correct
53 Correct 160 ms 11252 KB Output is correct
54 Correct 168 ms 12188 KB Output is correct
55 Correct 196 ms 16020 KB Output is correct
56 Correct 231 ms 15564 KB Output is correct

Subtask #5
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 9564 KB Output is correct
2 Correct 2 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 9564 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 2 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 9564 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 2 ms 9564 KB Output is correct
21 Correct 2 ms 9524 KB Output is correct
22 Correct 2 ms 9560 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 3 ms 9564 KB Output is correct
29 Correct 3 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 9820 KB Output is correct
33 Correct 2 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 4 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 3 ms 9820 KB Output is correct
41 Correct 4 ms 9564 KB Output is correct
42 Correct 3 ms 9816 KB Output is correct
43 Correct 3 ms 9564 KB Output is correct
44 Correct 3 ms 9564 KB Output is correct
45 Correct 3 ms 9820 KB Output is correct
46 Correct 3 ms 9816 KB Output is correct
47 Correct 2 ms 9564 KB Output is correct
48 Correct 4 ms 9564 KB Output is correct
49 Correct 3 ms 9820 KB Output is correct
50 Correct 3 ms 9816 KB Output is correct
51 Correct 3 ms 9816 KB Output is correct
52 Correct 3 ms 9564 KB Output is correct
53 Correct 3 ms 9816 KB Output is correct
54 Correct 3 ms 9816 KB Output is correct
55 Correct 106 ms 12192 KB Output is correct
56 Correct 158 ms 16008 KB Output is correct
57 Correct 103 ms 16260 KB Output is correct
58 Correct 112 ms 12184 KB Output is correct
59 Correct 147 ms 12248 KB Output is correct
60 Correct 191 ms 15508 KB Output is correct
61 Correct 161 ms 12248 KB Output is correct
62 Correct 152 ms 15444 KB Output is correct
63 Correct 121 ms 10964 KB Output is correct
64 Correct 163 ms 12184 KB Output is correct
65 Correct 197 ms 14996 KB Output is correct

Subtask #6
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 9564 KB Output is correct
2 Correct 2 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 9564 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 2 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 9564 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 2 ms 9564 KB Output is correct
21 Correct 2 ms 9524 KB Output is correct
22 Correct 2 ms 9560 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 3 ms 9564 KB Output is correct
29 Correct 3 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 9820 KB Output is correct
33 Correct 2 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 4 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 3 ms 9820 KB Output is correct
41 Correct 4 ms 9564 KB Output is correct
42 Correct 3 ms 9816 KB Output is correct
43 Correct 3 ms 9564 KB Output is correct
44 Correct 3 ms 9564 KB Output is correct
45 Correct 3 ms 9820 KB Output is correct
46 Correct 3 ms 9816 KB Output is correct
47 Correct 2 ms 9564 KB Output is correct
48 Correct 4 ms 9564 KB Output is correct
49 Correct 3 ms 9820 KB Output is correct
50 Correct 3 ms 9816 KB Output is correct
51 Correct 3 ms 9816 KB Output is correct
52 Correct 3 ms 9564 KB Output is correct
53 Correct 3 ms 9816 KB Output is correct
54 Correct 3 ms 9816 KB Output is correct
55 Correct 138 ms 12560 KB Output is correct
56 Correct 194 ms 15004 KB Output is correct
57 Correct 125 ms 16072 KB Output is correct
58 Correct 127 ms 12484 KB Output is correct
59 Correct 150 ms 13004 KB Output is correct
60 Correct 135 ms 11724 KB Output is correct
61 Correct 155 ms 12584 KB Output is correct
62 Correct 202 ms 15820 KB Output is correct
63 Correct 161 ms 12488 KB Output is correct
64 Correct 170 ms 14792 KB Output is correct
65 Correct 143 ms 10964 KB Output is correct
66 Correct 137 ms 11688 KB Output is correct
67 Correct 194 ms 14500 KB Output is correct
68 Correct 213 ms 14804 KB Output is correct
69 Correct 124 ms 12440 KB Output is correct
70 Correct 198 ms 15824 KB Output is correct
71 Correct 1534 ms 15824 KB Output is correct
72 Correct 122 ms 12556 KB Output is correct
73 Correct 143 ms 12544 KB Output is correct
74 Correct 201 ms 12472 KB Output is correct
75 Correct 226 ms 15348 KB Output is correct
76 Correct 181 ms 12156 KB Output is correct
77 Correct 176 ms 15056 KB Output is correct
78 Correct 185 ms 15504 KB Output is correct
79 Correct 160 ms 11252 KB Output is correct
80 Correct 168 ms 12188 KB Output is correct
81 Correct 196 ms 16020 KB Output is correct
82 Correct 231 ms 15564 KB Output is correct
83 Correct 106 ms 12192 KB Output is correct
84 Correct 158 ms 16008 KB Output is correct
85 Correct 103 ms 16260 KB Output is correct
86 Correct 112 ms 12184 KB Output is correct
87 Correct 147 ms 12248 KB Output is correct
88 Correct 191 ms 15508 KB Output is correct
89 Correct 161 ms 12248 KB Output is correct
90 Correct 152 ms 15444 KB Output is correct
91 Correct 121 ms 10964 KB Output is correct
92 Correct 163 ms 12184 KB Output is correct
93 Correct 197 ms 14996 KB Output is correct
94 Correct 162 ms 12576 KB Output is correct
95 Execution timed out 2086 ms 14732 KB Time limit exceeded
96 Halted 0 ms 0 KB -