oj.uz

Submission #926216

# Submission time Handle Problem Language Result Execution time Memory
926216 2024-02-12T17:30:14 Z vjudge1 Joker (BOI20_joker) C++17
71 / 100
 2000 ms 18172 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 3 ms 9816 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 1 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 2 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 9560 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 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

# Verdict Execution time Memory Grader output
1 Correct 3 ms 9816 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 1 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 2 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 9560 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 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 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 9564 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 2 ms 9820 KB Output is correct
40 Correct 3 ms 9564 KB Output is correct
41 Correct 3 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 9768 KB Output is correct
46 Correct 3 ms 9820 KB Output is correct
47 Correct 2 ms 9820 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 9840 KB Output is correct
51 Correct 3 ms 9560 KB Output is correct
52 Correct 3 ms 9564 KB Output is correct
53 Correct 4 ms 9820 KB Output is correct
54 Correct 5 ms 9820 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 9816 KB Output is correct
2 Correct 2 ms 9564 KB Output is correct
3 Correct 131 ms 15744 KB Output is correct
4 Correct 194 ms 18172 KB Output is correct
5 Correct 125 ms 18056 KB Output is correct
6 Correct 129 ms 15852 KB Output is correct
7 Correct 143 ms 15820 KB Output is correct
8 Correct 138 ms 14664 KB Output is correct
9 Correct 154 ms 15700 KB Output is correct
10 Correct 203 ms 17868 KB Output is correct
11 Correct 160 ms 15820 KB Output is correct
12 Correct 179 ms 17284 KB Output is correct
13 Correct 144 ms 14292 KB Output is correct
14 Correct 143 ms 15044 KB Output is correct
15 Correct 196 ms 18052 KB Output is correct
16 Correct 223 ms 17700 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 9816 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 1 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 2 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 9560 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 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 131 ms 15744 KB Output is correct
30 Correct 194 ms 18172 KB Output is correct
31 Correct 125 ms 18056 KB Output is correct
32 Correct 129 ms 15852 KB Output is correct
33 Correct 143 ms 15820 KB Output is correct
34 Correct 138 ms 14664 KB Output is correct
35 Correct 154 ms 15700 KB Output is correct
36 Correct 203 ms 17868 KB Output is correct
37 Correct 160 ms 15820 KB Output is correct
38 Correct 179 ms 17284 KB Output is correct
39 Correct 144 ms 14292 KB Output is correct
40 Correct 143 ms 15044 KB Output is correct
41 Correct 196 ms 18052 KB Output is correct
42 Correct 223 ms 17700 KB Output is correct
43 Correct 127 ms 12492 KB Output is correct
44 Correct 189 ms 15828 KB Output is correct
45 Correct 1409 ms 16328 KB Output is correct
46 Correct 125 ms 12548 KB Output is correct
47 Correct 140 ms 12540 KB Output is correct
48 Correct 169 ms 12520 KB Output is correct
49 Correct 223 ms 16596 KB Output is correct
50 Correct 154 ms 11980 KB Output is correct
51 Correct 183 ms 15004 KB Output is correct
52 Correct 185 ms 15256 KB Output is correct
53 Correct 142 ms 11020 KB Output is correct
54 Correct 175 ms 11980 KB Output is correct
55 Correct 206 ms 15820 KB Output is correct
56 Correct 211 ms 16272 KB Output is correct

Subtask #5
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 9816 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 1 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 2 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 9560 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 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 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 9564 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 2 ms 9820 KB Output is correct
40 Correct 3 ms 9564 KB Output is correct
41 Correct 3 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 9768 KB Output is correct
46 Correct 3 ms 9820 KB Output is correct
47 Correct 2 ms 9820 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 9840 KB Output is correct
51 Correct 3 ms 9560 KB Output is correct
52 Correct 3 ms 9564 KB Output is correct
53 Correct 4 ms 9820 KB Output is correct
54 Correct 5 ms 9820 KB Output is correct
55 Correct 97 ms 12188 KB Output is correct
56 Correct 142 ms 15744 KB Output is correct
57 Correct 96 ms 15812 KB Output is correct
58 Correct 102 ms 12236 KB Output is correct
59 Correct 138 ms 12248 KB Output is correct
60 Correct 188 ms 14804 KB Output is correct
61 Correct 152 ms 12248 KB Output is correct
62 Correct 150 ms 15260 KB Output is correct
63 Correct 112 ms 10968 KB Output is correct
64 Correct 157 ms 12248 KB Output is correct
65 Correct 188 ms 15560 KB Output is correct

Subtask #6
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 9816 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 1 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 2 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 9560 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 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 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 9564 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 2 ms 9820 KB Output is correct
40 Correct 3 ms 9564 KB Output is correct
41 Correct 3 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 9768 KB Output is correct
46 Correct 3 ms 9820 KB Output is correct
47 Correct 2 ms 9820 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 9840 KB Output is correct
51 Correct 3 ms 9560 KB Output is correct
52 Correct 3 ms 9564 KB Output is correct
53 Correct 4 ms 9820 KB Output is correct
54 Correct 5 ms 9820 KB Output is correct
55 Correct 131 ms 15744 KB Output is correct
56 Correct 194 ms 18172 KB Output is correct
57 Correct 125 ms 18056 KB Output is correct
58 Correct 129 ms 15852 KB Output is correct
59 Correct 143 ms 15820 KB Output is correct
60 Correct 138 ms 14664 KB Output is correct
61 Correct 154 ms 15700 KB Output is correct
62 Correct 203 ms 17868 KB Output is correct
63 Correct 160 ms 15820 KB Output is correct
64 Correct 179 ms 17284 KB Output is correct
65 Correct 144 ms 14292 KB Output is correct
66 Correct 143 ms 15044 KB Output is correct
67 Correct 196 ms 18052 KB Output is correct
68 Correct 223 ms 17700 KB Output is correct
69 Correct 127 ms 12492 KB Output is correct
70 Correct 189 ms 15828 KB Output is correct
71 Correct 1409 ms 16328 KB Output is correct
72 Correct 125 ms 12548 KB Output is correct
73 Correct 140 ms 12540 KB Output is correct
74 Correct 169 ms 12520 KB Output is correct
75 Correct 223 ms 16596 KB Output is correct
76 Correct 154 ms 11980 KB Output is correct
77 Correct 183 ms 15004 KB Output is correct
78 Correct 185 ms 15256 KB Output is correct
79 Correct 142 ms 11020 KB Output is correct
80 Correct 175 ms 11980 KB Output is correct
81 Correct 206 ms 15820 KB Output is correct
82 Correct 211 ms 16272 KB Output is correct
83 Correct 97 ms 12188 KB Output is correct
84 Correct 142 ms 15744 KB Output is correct
85 Correct 96 ms 15812 KB Output is correct
86 Correct 102 ms 12236 KB Output is correct
87 Correct 138 ms 12248 KB Output is correct
88 Correct 188 ms 14804 KB Output is correct
89 Correct 152 ms 12248 KB Output is correct
90 Correct 150 ms 15260 KB Output is correct
91 Correct 112 ms 10968 KB Output is correct
92 Correct 157 ms 12248 KB Output is correct
93 Correct 188 ms 15560 KB Output is correct
94 Correct 139 ms 12548 KB Output is correct
95 Execution timed out 2063 ms 15828 KB Time limit exceeded
96 Halted 0 ms 0 KB -