oj.uz

Submission #926226

# Submission time Handle Problem Language Result Execution time Memory
926226 2024-02-12T17:36:00 Z mansur Joker (BOI20_joker) C++17
71 / 100
 2000 ms 16536 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 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 9560 KB Output is correct
8 Correct 3 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 9584 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 9560 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 9524 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 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 9560 KB Output is correct
8 Correct 3 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 9584 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 9560 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 9524 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 2 ms 9560 KB Output is correct
30 Correct 3 ms 9596 KB Output is correct
31 Correct 3 ms 9820 KB Output is correct
32 Correct 4 ms 9816 KB Output is correct
33 Correct 3 ms 9564 KB Output is correct
34 Correct 3 ms 9816 KB Output is correct
35 Correct 3 ms 9848 KB Output is correct
36 Correct 3 ms 9564 KB Output is correct
37 Correct 5 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 9564 KB Output is correct
41 Correct 3 ms 9816 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 9820 KB Output is correct
45 Correct 3 ms 9676 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 9820 KB Output is correct
51 Correct 3 ms 9816 KB Output is correct
52 Correct 4 ms 9816 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 9564 KB Output is correct
2 Correct 2 ms 9564 KB Output is correct
3 Correct 116 ms 12492 KB Output is correct
4 Correct 173 ms 16076 KB Output is correct
5 Correct 116 ms 15564 KB Output is correct
6 Correct 116 ms 12556 KB Output is correct
7 Correct 129 ms 12492 KB Output is correct
8 Correct 123 ms 11760 KB Output is correct
9 Correct 147 ms 12948 KB Output is correct
10 Correct 181 ms 15056 KB Output is correct
11 Correct 146 ms 12536 KB Output is correct
12 Correct 152 ms 16340 KB Output is correct
13 Correct 131 ms 10964 KB Output is correct
14 Correct 129 ms 11752 KB Output is correct
15 Correct 175 ms 15824 KB Output is correct
16 Correct 183 ms 15312 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 9560 KB Output is correct
8 Correct 3 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 9584 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 9560 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 9524 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 116 ms 12492 KB Output is correct
30 Correct 173 ms 16076 KB Output is correct
31 Correct 116 ms 15564 KB Output is correct
32 Correct 116 ms 12556 KB Output is correct
33 Correct 129 ms 12492 KB Output is correct
34 Correct 123 ms 11760 KB Output is correct
35 Correct 147 ms 12948 KB Output is correct
36 Correct 181 ms 15056 KB Output is correct
37 Correct 146 ms 12536 KB Output is correct
38 Correct 152 ms 16340 KB Output is correct
39 Correct 131 ms 10964 KB Output is correct
40 Correct 129 ms 11752 KB Output is correct
41 Correct 175 ms 15824 KB Output is correct
42 Correct 183 ms 15312 KB Output is correct
43 Correct 120 ms 12492 KB Output is correct
44 Correct 177 ms 16340 KB Output is correct
45 Correct 1320 ms 16000 KB Output is correct
46 Correct 114 ms 12532 KB Output is correct
47 Correct 132 ms 12548 KB Output is correct
48 Correct 151 ms 12628 KB Output is correct
49 Correct 184 ms 16536 KB Output is correct
50 Correct 141 ms 11984 KB Output is correct
51 Correct 158 ms 15816 KB Output is correct
52 Correct 160 ms 14792 KB Output is correct
53 Correct 135 ms 10960 KB Output is correct
54 Correct 147 ms 12180 KB Output is correct
55 Correct 178 ms 16332 KB Output is correct
56 Correct 185 ms 15820 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 9560 KB Output is correct
8 Correct 3 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 9584 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 9560 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 9524 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 2 ms 9560 KB Output is correct
30 Correct 3 ms 9596 KB Output is correct
31 Correct 3 ms 9820 KB Output is correct
32 Correct 4 ms 9816 KB Output is correct
33 Correct 3 ms 9564 KB Output is correct
34 Correct 3 ms 9816 KB Output is correct
35 Correct 3 ms 9848 KB Output is correct
36 Correct 3 ms 9564 KB Output is correct
37 Correct 5 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 9564 KB Output is correct
41 Correct 3 ms 9816 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 9820 KB Output is correct
45 Correct 3 ms 9676 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 9820 KB Output is correct
51 Correct 3 ms 9816 KB Output is correct
52 Correct 4 ms 9816 KB Output is correct
53 Correct 3 ms 9820 KB Output is correct
54 Correct 3 ms 9820 KB Output is correct
55 Correct 93 ms 12248 KB Output is correct
56 Correct 132 ms 15052 KB Output is correct
57 Correct 93 ms 16072 KB Output is correct
58 Correct 92 ms 12240 KB Output is correct
59 Correct 132 ms 12236 KB Output is correct
60 Correct 162 ms 14792 KB Output is correct
61 Correct 135 ms 12184 KB Output is correct
62 Correct 137 ms 14476 KB Output is correct
63 Correct 107 ms 10972 KB Output is correct
64 Correct 138 ms 12240 KB Output is correct
65 Correct 162 ms 16340 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 9560 KB Output is correct
8 Correct 3 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 9584 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 9560 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 9524 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 2 ms 9560 KB Output is correct
30 Correct 3 ms 9596 KB Output is correct
31 Correct 3 ms 9820 KB Output is correct
32 Correct 4 ms 9816 KB Output is correct
33 Correct 3 ms 9564 KB Output is correct
34 Correct 3 ms 9816 KB Output is correct
35 Correct 3 ms 9848 KB Output is correct
36 Correct 3 ms 9564 KB Output is correct
37 Correct 5 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 9564 KB Output is correct
41 Correct 3 ms 9816 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 9820 KB Output is correct
45 Correct 3 ms 9676 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 9820 KB Output is correct
51 Correct 3 ms 9816 KB Output is correct
52 Correct 4 ms 9816 KB Output is correct
53 Correct 3 ms 9820 KB Output is correct
54 Correct 3 ms 9820 KB Output is correct
55 Correct 116 ms 12492 KB Output is correct
56 Correct 173 ms 16076 KB Output is correct
57 Correct 116 ms 15564 KB Output is correct
58 Correct 116 ms 12556 KB Output is correct
59 Correct 129 ms 12492 KB Output is correct
60 Correct 123 ms 11760 KB Output is correct
61 Correct 147 ms 12948 KB Output is correct
62 Correct 181 ms 15056 KB Output is correct
63 Correct 146 ms 12536 KB Output is correct
64 Correct 152 ms 16340 KB Output is correct
65 Correct 131 ms 10964 KB Output is correct
66 Correct 129 ms 11752 KB Output is correct
67 Correct 175 ms 15824 KB Output is correct
68 Correct 183 ms 15312 KB Output is correct
69 Correct 120 ms 12492 KB Output is correct
70 Correct 177 ms 16340 KB Output is correct
71 Correct 1320 ms 16000 KB Output is correct
72 Correct 114 ms 12532 KB Output is correct
73 Correct 132 ms 12548 KB Output is correct
74 Correct 151 ms 12628 KB Output is correct
75 Correct 184 ms 16536 KB Output is correct
76 Correct 141 ms 11984 KB Output is correct
77 Correct 158 ms 15816 KB Output is correct
78 Correct 160 ms 14792 KB Output is correct
79 Correct 135 ms 10960 KB Output is correct
80 Correct 147 ms 12180 KB Output is correct
81 Correct 178 ms 16332 KB Output is correct
82 Correct 185 ms 15820 KB Output is correct
83 Correct 93 ms 12248 KB Output is correct
84 Correct 132 ms 15052 KB Output is correct
85 Correct 93 ms 16072 KB Output is correct
86 Correct 92 ms 12240 KB Output is correct
87 Correct 132 ms 12236 KB Output is correct
88 Correct 162 ms 14792 KB Output is correct
89 Correct 135 ms 12184 KB Output is correct
90 Correct 137 ms 14476 KB Output is correct
91 Correct 107 ms 10972 KB Output is correct
92 Correct 138 ms 12240 KB Output is correct
93 Correct 162 ms 16340 KB Output is correct
94 Correct 124 ms 12488 KB Output is correct
95 Execution timed out 2067 ms 16284 KB Time limit exceeded
96 Halted 0 ms 0 KB -