oj.uz

Submission #926218

# Submission time Handle Problem Language Result Execution time Memory
926218 2024-02-12T17:31:18 Z mansur Joker (BOI20_joker) C++17
71 / 100
 2000 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) & 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 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();
	pt[sz(h)]++;
	for (int i = tr; i > ps[m]; i--)
		add(i);
	f(l, m - 1, tl, 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, 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: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 9560 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 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 9560 KB Output is correct
10 Correct 2 ms 9560 KB Output is correct
11 Correct 2 ms 9564 KB Output is correct
12 Correct 2 ms 9564 KB Output is correct
13 Correct 2 ms 9564 KB Output is correct
14 Correct 2 ms 9728 KB Output is correct
15 Correct 2 ms 9568 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 9564 KB Output is correct
22 Correct 2 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 9768 KB Output is correct
26 Correct 2 ms 9816 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

# Verdict Execution time Memory Grader output
1 Correct 2 ms 9560 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 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 9560 KB Output is correct
10 Correct 2 ms 9560 KB Output is correct
11 Correct 2 ms 9564 KB Output is correct
12 Correct 2 ms 9564 KB Output is correct
13 Correct 2 ms 9564 KB Output is correct
14 Correct 2 ms 9728 KB Output is correct
15 Correct 2 ms 9568 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 9564 KB Output is correct
22 Correct 2 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 9768 KB Output is correct
26 Correct 2 ms 9816 KB Output is correct
27 Correct 2 ms 9564 KB Output is correct
28 Correct 2 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 4 ms 9820 KB Output is correct
32 Correct 3 ms 9812 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 9816 KB Output is correct
36 Correct 3 ms 9560 KB Output is correct
37 Correct 4 ms 9820 KB Output is correct
38 Correct 3 ms 9744 KB Output is correct
39 Correct 3 ms 9820 KB Output is correct
40 Correct 3 ms 9564 KB Output is correct
41 Correct 3 ms 9820 KB Output is correct
42 Correct 2 ms 9564 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 9820 KB Output is correct
47 Correct 3 ms 9816 KB Output is correct
48 Correct 3 ms 9564 KB Output is correct
49 Correct 4 ms 9816 KB Output is correct
50 Correct 3 ms 9820 KB Output is correct
51 Correct 3 ms 9564 KB Output is correct
52 Correct 3 ms 9560 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

# Verdict Execution time Memory Grader output
1 Correct 2 ms 9560 KB Output is correct
2 Correct 2 ms 9564 KB Output is correct
3 Correct 121 ms 12544 KB Output is correct
4 Correct 185 ms 15304 KB Output is correct
5 Correct 150 ms 14744 KB Output is correct
6 Correct 126 ms 12488 KB Output is correct
7 Correct 164 ms 12492 KB Output is correct
8 Correct 145 ms 11940 KB Output is correct
9 Correct 165 ms 12516 KB Output is correct
10 Correct 212 ms 15184 KB Output is correct
11 Correct 158 ms 12488 KB Output is correct
12 Correct 171 ms 15952 KB Output is correct
13 Correct 155 ms 10976 KB Output is correct
14 Correct 148 ms 11676 KB Output is correct
15 Correct 197 ms 16084 KB Output is correct
16 Correct 233 ms 15508 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 9560 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 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 9560 KB Output is correct
10 Correct 2 ms 9560 KB Output is correct
11 Correct 2 ms 9564 KB Output is correct
12 Correct 2 ms 9564 KB Output is correct
13 Correct 2 ms 9564 KB Output is correct
14 Correct 2 ms 9728 KB Output is correct
15 Correct 2 ms 9568 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 9564 KB Output is correct
22 Correct 2 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 9768 KB Output is correct
26 Correct 2 ms 9816 KB Output is correct
27 Correct 2 ms 9564 KB Output is correct
28 Correct 2 ms 9564 KB Output is correct
29 Correct 121 ms 12544 KB Output is correct
30 Correct 185 ms 15304 KB Output is correct
31 Correct 150 ms 14744 KB Output is correct
32 Correct 126 ms 12488 KB Output is correct
33 Correct 164 ms 12492 KB Output is correct
34 Correct 145 ms 11940 KB Output is correct
35 Correct 165 ms 12516 KB Output is correct
36 Correct 212 ms 15184 KB Output is correct
37 Correct 158 ms 12488 KB Output is correct
38 Correct 171 ms 15952 KB Output is correct
39 Correct 155 ms 10976 KB Output is correct
40 Correct 148 ms 11676 KB Output is correct
41 Correct 197 ms 16084 KB Output is correct
42 Correct 233 ms 15508 KB Output is correct
43 Correct 153 ms 12472 KB Output is correct
44 Correct 207 ms 16076 KB Output is correct
45 Correct 1463 ms 15060 KB Output is correct
46 Correct 119 ms 12368 KB Output is correct
47 Correct 145 ms 12544 KB Output is correct
48 Correct 178 ms 12572 KB Output is correct
49 Correct 214 ms 15608 KB Output is correct
50 Correct 177 ms 12184 KB Output is correct
51 Correct 208 ms 14688 KB Output is correct
52 Correct 181 ms 16540 KB Output is correct
53 Correct 178 ms 10960 KB Output is correct
54 Correct 178 ms 12512 KB Output is correct
55 Correct 194 ms 15060 KB Output is correct
56 Correct 204 ms 15124 KB Output is correct

Subtask #5
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 9560 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 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 9560 KB Output is correct
10 Correct 2 ms 9560 KB Output is correct
11 Correct 2 ms 9564 KB Output is correct
12 Correct 2 ms 9564 KB Output is correct
13 Correct 2 ms 9564 KB Output is correct
14 Correct 2 ms 9728 KB Output is correct
15 Correct 2 ms 9568 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 9564 KB Output is correct
22 Correct 2 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 9768 KB Output is correct
26 Correct 2 ms 9816 KB Output is correct
27 Correct 2 ms 9564 KB Output is correct
28 Correct 2 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 4 ms 9820 KB Output is correct
32 Correct 3 ms 9812 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 9816 KB Output is correct
36 Correct 3 ms 9560 KB Output is correct
37 Correct 4 ms 9820 KB Output is correct
38 Correct 3 ms 9744 KB Output is correct
39 Correct 3 ms 9820 KB Output is correct
40 Correct 3 ms 9564 KB Output is correct
41 Correct 3 ms 9820 KB Output is correct
42 Correct 2 ms 9564 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 9820 KB Output is correct
47 Correct 3 ms 9816 KB Output is correct
48 Correct 3 ms 9564 KB Output is correct
49 Correct 4 ms 9816 KB Output is correct
50 Correct 3 ms 9820 KB Output is correct
51 Correct 3 ms 9564 KB Output is correct
52 Correct 3 ms 9560 KB Output is correct
53 Correct 3 ms 9820 KB Output is correct
54 Correct 3 ms 9820 KB Output is correct
55 Correct 103 ms 12204 KB Output is correct
56 Correct 166 ms 16208 KB Output is correct
57 Correct 111 ms 16076 KB Output is correct
58 Correct 100 ms 12240 KB Output is correct
59 Correct 152 ms 12244 KB Output is correct
60 Correct 206 ms 15052 KB Output is correct
61 Correct 157 ms 12192 KB Output is correct
62 Correct 166 ms 15004 KB Output is correct
63 Correct 114 ms 10964 KB Output is correct
64 Correct 175 ms 12188 KB Output is correct
65 Correct 205 ms 15320 KB Output is correct

Subtask #6
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 9560 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 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 9560 KB Output is correct
10 Correct 2 ms 9560 KB Output is correct
11 Correct 2 ms 9564 KB Output is correct
12 Correct 2 ms 9564 KB Output is correct
13 Correct 2 ms 9564 KB Output is correct
14 Correct 2 ms 9728 KB Output is correct
15 Correct 2 ms 9568 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 9564 KB Output is correct
22 Correct 2 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 9768 KB Output is correct
26 Correct 2 ms 9816 KB Output is correct
27 Correct 2 ms 9564 KB Output is correct
28 Correct 2 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 4 ms 9820 KB Output is correct
32 Correct 3 ms 9812 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 9816 KB Output is correct
36 Correct 3 ms 9560 KB Output is correct
37 Correct 4 ms 9820 KB Output is correct
38 Correct 3 ms 9744 KB Output is correct
39 Correct 3 ms 9820 KB Output is correct
40 Correct 3 ms 9564 KB Output is correct
41 Correct 3 ms 9820 KB Output is correct
42 Correct 2 ms 9564 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 9820 KB Output is correct
47 Correct 3 ms 9816 KB Output is correct
48 Correct 3 ms 9564 KB Output is correct
49 Correct 4 ms 9816 KB Output is correct
50 Correct 3 ms 9820 KB Output is correct
51 Correct 3 ms 9564 KB Output is correct
52 Correct 3 ms 9560 KB Output is correct
53 Correct 3 ms 9820 KB Output is correct
54 Correct 3 ms 9820 KB Output is correct
55 Correct 121 ms 12544 KB Output is correct
56 Correct 185 ms 15304 KB Output is correct
57 Correct 150 ms 14744 KB Output is correct
58 Correct 126 ms 12488 KB Output is correct
59 Correct 164 ms 12492 KB Output is correct
60 Correct 145 ms 11940 KB Output is correct
61 Correct 165 ms 12516 KB Output is correct
62 Correct 212 ms 15184 KB Output is correct
63 Correct 158 ms 12488 KB Output is correct
64 Correct 171 ms 15952 KB Output is correct
65 Correct 155 ms 10976 KB Output is correct
66 Correct 148 ms 11676 KB Output is correct
67 Correct 197 ms 16084 KB Output is correct
68 Correct 233 ms 15508 KB Output is correct
69 Correct 153 ms 12472 KB Output is correct
70 Correct 207 ms 16076 KB Output is correct
71 Correct 1463 ms 15060 KB Output is correct
72 Correct 119 ms 12368 KB Output is correct
73 Correct 145 ms 12544 KB Output is correct
74 Correct 178 ms 12572 KB Output is correct
75 Correct 214 ms 15608 KB Output is correct
76 Correct 177 ms 12184 KB Output is correct
77 Correct 208 ms 14688 KB Output is correct
78 Correct 181 ms 16540 KB Output is correct
79 Correct 178 ms 10960 KB Output is correct
80 Correct 178 ms 12512 KB Output is correct
81 Correct 194 ms 15060 KB Output is correct
82 Correct 204 ms 15124 KB Output is correct
83 Correct 103 ms 12204 KB Output is correct
84 Correct 166 ms 16208 KB Output is correct
85 Correct 111 ms 16076 KB Output is correct
86 Correct 100 ms 12240 KB Output is correct
87 Correct 152 ms 12244 KB Output is correct
88 Correct 206 ms 15052 KB Output is correct
89 Correct 157 ms 12192 KB Output is correct
90 Correct 166 ms 15004 KB Output is correct
91 Correct 114 ms 10964 KB Output is correct
92 Correct 175 ms 12188 KB Output is correct
93 Correct 205 ms 15320 KB Output is correct
94 Correct 144 ms 12624 KB Output is correct
95 Execution timed out 2095 ms 16020 KB Time limit exceeded
96 Halted 0 ms 0 KB -