oj.uz

Submission #926220

# Submission time Handle Problem Language Result Execution time Memory
926220 2024-02-12T17:32:30 Z mansur Joker (BOI20_joker) C++17
71 / 100
 2000 ms 16584 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 9560 KB Output is correct
10 Correct 2 ms 9564 KB Output is correct
11 Correct 2 ms 9652 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 3 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 9560 KB Output is correct
23 Correct 2 ms 9560 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 9560 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 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 9564 KB Output is correct
11 Correct 2 ms 9652 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 3 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 9560 KB Output is correct
23 Correct 2 ms 9560 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 9560 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 9780 KB Output is correct
31 Correct 3 ms 9820 KB Output is correct
32 Correct 2 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 9816 KB Output is correct
36 Correct 3 ms 9820 KB Output is correct
37 Correct 4 ms 10072 KB Output is correct
38 Correct 4 ms 9816 KB Output is correct
39 Correct 4 ms 9820 KB Output is correct
40 Correct 3 ms 9560 KB Output is correct
41 Correct 3 ms 9820 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 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 4 ms 9744 KB Output is correct
50 Correct 3 ms 9820 KB Output is correct
51 Correct 3 ms 9820 KB Output is correct
52 Correct 3 ms 9564 KB Output is correct
53 Correct 4 ms 9820 KB Output is correct
54 Correct 4 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 121 ms 12428 KB Output is correct
4 Correct 186 ms 15360 KB Output is correct
5 Correct 116 ms 15316 KB Output is correct
6 Correct 117 ms 12564 KB Output is correct
7 Correct 136 ms 12492 KB Output is correct
8 Correct 145 ms 11752 KB Output is correct
9 Correct 151 ms 12492 KB Output is correct
10 Correct 189 ms 16584 KB Output is correct
11 Correct 159 ms 12488 KB Output is correct
12 Correct 155 ms 15820 KB Output is correct
13 Correct 137 ms 10904 KB Output is correct
14 Correct 132 ms 11772 KB Output is correct
15 Correct 186 ms 15768 KB Output is correct
16 Correct 188 ms 15908 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 9560 KB Output is correct
10 Correct 2 ms 9564 KB Output is correct
11 Correct 2 ms 9652 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 3 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 9560 KB Output is correct
23 Correct 2 ms 9560 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 9560 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 12428 KB Output is correct
30 Correct 186 ms 15360 KB Output is correct
31 Correct 116 ms 15316 KB Output is correct
32 Correct 117 ms 12564 KB Output is correct
33 Correct 136 ms 12492 KB Output is correct
34 Correct 145 ms 11752 KB Output is correct
35 Correct 151 ms 12492 KB Output is correct
36 Correct 189 ms 16584 KB Output is correct
37 Correct 159 ms 12488 KB Output is correct
38 Correct 155 ms 15820 KB Output is correct
39 Correct 137 ms 10904 KB Output is correct
40 Correct 132 ms 11772 KB Output is correct
41 Correct 186 ms 15768 KB Output is correct
42 Correct 188 ms 15908 KB Output is correct
43 Correct 111 ms 12540 KB Output is correct
44 Correct 190 ms 15564 KB Output is correct
45 Correct 1451 ms 15252 KB Output is correct
46 Correct 114 ms 12488 KB Output is correct
47 Correct 134 ms 13004 KB Output is correct
48 Correct 161 ms 12488 KB Output is correct
49 Correct 204 ms 15060 KB Output is correct
50 Correct 157 ms 12236 KB Output is correct
51 Correct 173 ms 15820 KB Output is correct
52 Correct 165 ms 15052 KB Output is correct
53 Correct 138 ms 10912 KB Output is correct
54 Correct 156 ms 11980 KB Output is correct
55 Correct 177 ms 15000 KB Output is correct
56 Correct 201 ms 16312 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 9560 KB Output is correct
10 Correct 2 ms 9564 KB Output is correct
11 Correct 2 ms 9652 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 3 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 9560 KB Output is correct
23 Correct 2 ms 9560 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 9560 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 9780 KB Output is correct
31 Correct 3 ms 9820 KB Output is correct
32 Correct 2 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 9816 KB Output is correct
36 Correct 3 ms 9820 KB Output is correct
37 Correct 4 ms 10072 KB Output is correct
38 Correct 4 ms 9816 KB Output is correct
39 Correct 4 ms 9820 KB Output is correct
40 Correct 3 ms 9560 KB Output is correct
41 Correct 3 ms 9820 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 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 4 ms 9744 KB Output is correct
50 Correct 3 ms 9820 KB Output is correct
51 Correct 3 ms 9820 KB Output is correct
52 Correct 3 ms 9564 KB Output is correct
53 Correct 4 ms 9820 KB Output is correct
54 Correct 4 ms 9820 KB Output is correct
55 Correct 87 ms 12196 KB Output is correct
56 Correct 138 ms 15560 KB Output is correct
57 Correct 88 ms 15568 KB Output is correct
58 Correct 100 ms 12248 KB Output is correct
59 Correct 139 ms 12244 KB Output is correct
60 Correct 171 ms 15760 KB Output is correct
61 Correct 158 ms 12196 KB Output is correct
62 Correct 139 ms 15824 KB Output is correct
63 Correct 110 ms 10964 KB Output is correct
64 Correct 149 ms 12248 KB Output is correct
65 Correct 173 ms 16072 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 9560 KB Output is correct
10 Correct 2 ms 9564 KB Output is correct
11 Correct 2 ms 9652 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 3 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 9560 KB Output is correct
23 Correct 2 ms 9560 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 9560 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 9780 KB Output is correct
31 Correct 3 ms 9820 KB Output is correct
32 Correct 2 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 9816 KB Output is correct
36 Correct 3 ms 9820 KB Output is correct
37 Correct 4 ms 10072 KB Output is correct
38 Correct 4 ms 9816 KB Output is correct
39 Correct 4 ms 9820 KB Output is correct
40 Correct 3 ms 9560 KB Output is correct
41 Correct 3 ms 9820 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 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 4 ms 9744 KB Output is correct
50 Correct 3 ms 9820 KB Output is correct
51 Correct 3 ms 9820 KB Output is correct
52 Correct 3 ms 9564 KB Output is correct
53 Correct 4 ms 9820 KB Output is correct
54 Correct 4 ms 9820 KB Output is correct
55 Correct 121 ms 12428 KB Output is correct
56 Correct 186 ms 15360 KB Output is correct
57 Correct 116 ms 15316 KB Output is correct
58 Correct 117 ms 12564 KB Output is correct
59 Correct 136 ms 12492 KB Output is correct
60 Correct 145 ms 11752 KB Output is correct
61 Correct 151 ms 12492 KB Output is correct
62 Correct 189 ms 16584 KB Output is correct
63 Correct 159 ms 12488 KB Output is correct
64 Correct 155 ms 15820 KB Output is correct
65 Correct 137 ms 10904 KB Output is correct
66 Correct 132 ms 11772 KB Output is correct
67 Correct 186 ms 15768 KB Output is correct
68 Correct 188 ms 15908 KB Output is correct
69 Correct 111 ms 12540 KB Output is correct
70 Correct 190 ms 15564 KB Output is correct
71 Correct 1451 ms 15252 KB Output is correct
72 Correct 114 ms 12488 KB Output is correct
73 Correct 134 ms 13004 KB Output is correct
74 Correct 161 ms 12488 KB Output is correct
75 Correct 204 ms 15060 KB Output is correct
76 Correct 157 ms 12236 KB Output is correct
77 Correct 173 ms 15820 KB Output is correct
78 Correct 165 ms 15052 KB Output is correct
79 Correct 138 ms 10912 KB Output is correct
80 Correct 156 ms 11980 KB Output is correct
81 Correct 177 ms 15000 KB Output is correct
82 Correct 201 ms 16312 KB Output is correct
83 Correct 87 ms 12196 KB Output is correct
84 Correct 138 ms 15560 KB Output is correct
85 Correct 88 ms 15568 KB Output is correct
86 Correct 100 ms 12248 KB Output is correct
87 Correct 139 ms 12244 KB Output is correct
88 Correct 171 ms 15760 KB Output is correct
89 Correct 158 ms 12196 KB Output is correct
90 Correct 139 ms 15824 KB Output is correct
91 Correct 110 ms 10964 KB Output is correct
92 Correct 149 ms 12248 KB Output is correct
93 Correct 173 ms 16072 KB Output is correct
94 Correct 120 ms 12488 KB Output is correct
95 Execution timed out 2041 ms 16328 KB Time limit exceeded
96 Halted 0 ms 0 KB -