oj.uz

Submission #926237

# Submission time Handle Problem Language Result Execution time Memory
926237 2024-02-12T17:40:41 Z mansur Joker (BOI20_joker) C++17
71 / 100
 2000 ms 18888 KB 
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx")
#pragma GCC optimize("unroll-loops,fast-math")

#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 = 5e5 + 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 12376 KB Output is correct
2 Correct 2 ms 12380 KB Output is correct
3 Correct 3 ms 12380 KB Output is correct
4 Correct 2 ms 12380 KB Output is correct
5 Correct 2 ms 12380 KB Output is correct
6 Correct 3 ms 12376 KB Output is correct
7 Correct 2 ms 12380 KB Output is correct
8 Correct 2 ms 12380 KB Output is correct
9 Correct 3 ms 12380 KB Output is correct
10 Correct 2 ms 12380 KB Output is correct
11 Correct 3 ms 12520 KB Output is correct
12 Correct 2 ms 12380 KB Output is correct
13 Correct 2 ms 12380 KB Output is correct
14 Correct 2 ms 12380 KB Output is correct
15 Correct 2 ms 12380 KB Output is correct
16 Correct 2 ms 12380 KB Output is correct
17 Correct 2 ms 12380 KB Output is correct
18 Correct 3 ms 12380 KB Output is correct
19 Correct 2 ms 12560 KB Output is correct
20 Correct 2 ms 12380 KB Output is correct
21 Correct 2 ms 12376 KB Output is correct
22 Correct 2 ms 12380 KB Output is correct
23 Correct 3 ms 12380 KB Output is correct
24 Correct 2 ms 12376 KB Output is correct
25 Correct 3 ms 12604 KB Output is correct
26 Correct 2 ms 12380 KB Output is correct
27 Correct 3 ms 12380 KB Output is correct
28 Correct 2 ms 12376 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 12376 KB Output is correct
2 Correct 2 ms 12380 KB Output is correct
3 Correct 3 ms 12380 KB Output is correct
4 Correct 2 ms 12380 KB Output is correct
5 Correct 2 ms 12380 KB Output is correct
6 Correct 3 ms 12376 KB Output is correct
7 Correct 2 ms 12380 KB Output is correct
8 Correct 2 ms 12380 KB Output is correct
9 Correct 3 ms 12380 KB Output is correct
10 Correct 2 ms 12380 KB Output is correct
11 Correct 3 ms 12520 KB Output is correct
12 Correct 2 ms 12380 KB Output is correct
13 Correct 2 ms 12380 KB Output is correct
14 Correct 2 ms 12380 KB Output is correct
15 Correct 2 ms 12380 KB Output is correct
16 Correct 2 ms 12380 KB Output is correct
17 Correct 2 ms 12380 KB Output is correct
18 Correct 3 ms 12380 KB Output is correct
19 Correct 2 ms 12560 KB Output is correct
20 Correct 2 ms 12380 KB Output is correct
21 Correct 2 ms 12376 KB Output is correct
22 Correct 2 ms 12380 KB Output is correct
23 Correct 3 ms 12380 KB Output is correct
24 Correct 2 ms 12376 KB Output is correct
25 Correct 3 ms 12604 KB Output is correct
26 Correct 2 ms 12380 KB Output is correct
27 Correct 3 ms 12380 KB Output is correct
28 Correct 2 ms 12376 KB Output is correct
29 Correct 3 ms 12636 KB Output is correct
30 Correct 3 ms 12636 KB Output is correct
31 Correct 4 ms 12636 KB Output is correct
32 Correct 4 ms 12588 KB Output is correct
33 Correct 3 ms 12632 KB Output is correct
34 Correct 4 ms 12636 KB Output is correct
35 Correct 3 ms 12636 KB Output is correct
36 Correct 4 ms 12636 KB Output is correct
37 Correct 4 ms 12684 KB Output is correct
38 Correct 3 ms 12636 KB Output is correct
39 Correct 4 ms 12636 KB Output is correct
40 Correct 3 ms 12636 KB Output is correct
41 Correct 3 ms 12636 KB Output is correct
42 Correct 5 ms 12632 KB Output is correct
43 Correct 3 ms 12636 KB Output is correct
44 Correct 4 ms 12636 KB Output is correct
45 Correct 3 ms 12636 KB Output is correct
46 Correct 4 ms 12636 KB Output is correct
47 Correct 3 ms 12636 KB Output is correct
48 Correct 3 ms 12636 KB Output is correct
49 Correct 4 ms 12632 KB Output is correct
50 Correct 4 ms 12636 KB Output is correct
51 Correct 4 ms 12636 KB Output is correct
52 Correct 3 ms 12636 KB Output is correct
53 Correct 3 ms 12636 KB Output is correct
54 Correct 4 ms 12636 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 12376 KB Output is correct
2 Correct 2 ms 12380 KB Output is correct
3 Correct 136 ms 15008 KB Output is correct
4 Correct 182 ms 18128 KB Output is correct
5 Correct 123 ms 17096 KB Output is correct
6 Correct 127 ms 15056 KB Output is correct
7 Correct 150 ms 15048 KB Output is correct
8 Correct 133 ms 14544 KB Output is correct
9 Correct 150 ms 15136 KB Output is correct
10 Correct 195 ms 17352 KB Output is correct
11 Correct 157 ms 14828 KB Output is correct
12 Correct 167 ms 18124 KB Output is correct
13 Correct 136 ms 13776 KB Output is correct
14 Correct 135 ms 14436 KB Output is correct
15 Correct 193 ms 18636 KB Output is correct
16 Correct 199 ms 18632 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 12376 KB Output is correct
2 Correct 2 ms 12380 KB Output is correct
3 Correct 3 ms 12380 KB Output is correct
4 Correct 2 ms 12380 KB Output is correct
5 Correct 2 ms 12380 KB Output is correct
6 Correct 3 ms 12376 KB Output is correct
7 Correct 2 ms 12380 KB Output is correct
8 Correct 2 ms 12380 KB Output is correct
9 Correct 3 ms 12380 KB Output is correct
10 Correct 2 ms 12380 KB Output is correct
11 Correct 3 ms 12520 KB Output is correct
12 Correct 2 ms 12380 KB Output is correct
13 Correct 2 ms 12380 KB Output is correct
14 Correct 2 ms 12380 KB Output is correct
15 Correct 2 ms 12380 KB Output is correct
16 Correct 2 ms 12380 KB Output is correct
17 Correct 2 ms 12380 KB Output is correct
18 Correct 3 ms 12380 KB Output is correct
19 Correct 2 ms 12560 KB Output is correct
20 Correct 2 ms 12380 KB Output is correct
21 Correct 2 ms 12376 KB Output is correct
22 Correct 2 ms 12380 KB Output is correct
23 Correct 3 ms 12380 KB Output is correct
24 Correct 2 ms 12376 KB Output is correct
25 Correct 3 ms 12604 KB Output is correct
26 Correct 2 ms 12380 KB Output is correct
27 Correct 3 ms 12380 KB Output is correct
28 Correct 2 ms 12376 KB Output is correct
29 Correct 136 ms 15008 KB Output is correct
30 Correct 182 ms 18128 KB Output is correct
31 Correct 123 ms 17096 KB Output is correct
32 Correct 127 ms 15056 KB Output is correct
33 Correct 150 ms 15048 KB Output is correct
34 Correct 133 ms 14544 KB Output is correct
35 Correct 150 ms 15136 KB Output is correct
36 Correct 195 ms 17352 KB Output is correct
37 Correct 157 ms 14828 KB Output is correct
38 Correct 167 ms 18124 KB Output is correct
39 Correct 136 ms 13776 KB Output is correct
40 Correct 135 ms 14436 KB Output is correct
41 Correct 193 ms 18636 KB Output is correct
42 Correct 199 ms 18632 KB Output is correct
43 Correct 131 ms 15076 KB Output is correct
44 Correct 180 ms 17312 KB Output is correct
45 Correct 1317 ms 18684 KB Output is correct
46 Correct 121 ms 15012 KB Output is correct
47 Correct 135 ms 15060 KB Output is correct
48 Correct 173 ms 15052 KB Output is correct
49 Correct 201 ms 17656 KB Output is correct
50 Correct 155 ms 14748 KB Output is correct
51 Correct 172 ms 17100 KB Output is correct
52 Correct 190 ms 18888 KB Output is correct
53 Correct 140 ms 13740 KB Output is correct
54 Correct 165 ms 14796 KB Output is correct
55 Correct 184 ms 17568 KB Output is correct
56 Correct 202 ms 18888 KB Output is correct

Subtask #5
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 12376 KB Output is correct
2 Correct 2 ms 12380 KB Output is correct
3 Correct 3 ms 12380 KB Output is correct
4 Correct 2 ms 12380 KB Output is correct
5 Correct 2 ms 12380 KB Output is correct
6 Correct 3 ms 12376 KB Output is correct
7 Correct 2 ms 12380 KB Output is correct
8 Correct 2 ms 12380 KB Output is correct
9 Correct 3 ms 12380 KB Output is correct
10 Correct 2 ms 12380 KB Output is correct
11 Correct 3 ms 12520 KB Output is correct
12 Correct 2 ms 12380 KB Output is correct
13 Correct 2 ms 12380 KB Output is correct
14 Correct 2 ms 12380 KB Output is correct
15 Correct 2 ms 12380 KB Output is correct
16 Correct 2 ms 12380 KB Output is correct
17 Correct 2 ms 12380 KB Output is correct
18 Correct 3 ms 12380 KB Output is correct
19 Correct 2 ms 12560 KB Output is correct
20 Correct 2 ms 12380 KB Output is correct
21 Correct 2 ms 12376 KB Output is correct
22 Correct 2 ms 12380 KB Output is correct
23 Correct 3 ms 12380 KB Output is correct
24 Correct 2 ms 12376 KB Output is correct
25 Correct 3 ms 12604 KB Output is correct
26 Correct 2 ms 12380 KB Output is correct
27 Correct 3 ms 12380 KB Output is correct
28 Correct 2 ms 12376 KB Output is correct
29 Correct 3 ms 12636 KB Output is correct
30 Correct 3 ms 12636 KB Output is correct
31 Correct 4 ms 12636 KB Output is correct
32 Correct 4 ms 12588 KB Output is correct
33 Correct 3 ms 12632 KB Output is correct
34 Correct 4 ms 12636 KB Output is correct
35 Correct 3 ms 12636 KB Output is correct
36 Correct 4 ms 12636 KB Output is correct
37 Correct 4 ms 12684 KB Output is correct
38 Correct 3 ms 12636 KB Output is correct
39 Correct 4 ms 12636 KB Output is correct
40 Correct 3 ms 12636 KB Output is correct
41 Correct 3 ms 12636 KB Output is correct
42 Correct 5 ms 12632 KB Output is correct
43 Correct 3 ms 12636 KB Output is correct
44 Correct 4 ms 12636 KB Output is correct
45 Correct 3 ms 12636 KB Output is correct
46 Correct 4 ms 12636 KB Output is correct
47 Correct 3 ms 12636 KB Output is correct
48 Correct 3 ms 12636 KB Output is correct
49 Correct 4 ms 12632 KB Output is correct
50 Correct 4 ms 12636 KB Output is correct
51 Correct 4 ms 12636 KB Output is correct
52 Correct 3 ms 12636 KB Output is correct
53 Correct 3 ms 12636 KB Output is correct
54 Correct 4 ms 12636 KB Output is correct
55 Correct 104 ms 14544 KB Output is correct
56 Correct 135 ms 18888 KB Output is correct
57 Correct 94 ms 17868 KB Output is correct
58 Correct 98 ms 14540 KB Output is correct
59 Correct 134 ms 14552 KB Output is correct
60 Correct 176 ms 18124 KB Output is correct
61 Correct 159 ms 14544 KB Output is correct
62 Correct 146 ms 17360 KB Output is correct
63 Correct 110 ms 13520 KB Output is correct
64 Correct 147 ms 14540 KB Output is correct
65 Correct 190 ms 18632 KB Output is correct

Subtask #6
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 12376 KB Output is correct
2 Correct 2 ms 12380 KB Output is correct
3 Correct 3 ms 12380 KB Output is correct
4 Correct 2 ms 12380 KB Output is correct
5 Correct 2 ms 12380 KB Output is correct
6 Correct 3 ms 12376 KB Output is correct
7 Correct 2 ms 12380 KB Output is correct
8 Correct 2 ms 12380 KB Output is correct
9 Correct 3 ms 12380 KB Output is correct
10 Correct 2 ms 12380 KB Output is correct
11 Correct 3 ms 12520 KB Output is correct
12 Correct 2 ms 12380 KB Output is correct
13 Correct 2 ms 12380 KB Output is correct
14 Correct 2 ms 12380 KB Output is correct
15 Correct 2 ms 12380 KB Output is correct
16 Correct 2 ms 12380 KB Output is correct
17 Correct 2 ms 12380 KB Output is correct
18 Correct 3 ms 12380 KB Output is correct
19 Correct 2 ms 12560 KB Output is correct
20 Correct 2 ms 12380 KB Output is correct
21 Correct 2 ms 12376 KB Output is correct
22 Correct 2 ms 12380 KB Output is correct
23 Correct 3 ms 12380 KB Output is correct
24 Correct 2 ms 12376 KB Output is correct
25 Correct 3 ms 12604 KB Output is correct
26 Correct 2 ms 12380 KB Output is correct
27 Correct 3 ms 12380 KB Output is correct
28 Correct 2 ms 12376 KB Output is correct
29 Correct 3 ms 12636 KB Output is correct
30 Correct 3 ms 12636 KB Output is correct
31 Correct 4 ms 12636 KB Output is correct
32 Correct 4 ms 12588 KB Output is correct
33 Correct 3 ms 12632 KB Output is correct
34 Correct 4 ms 12636 KB Output is correct
35 Correct 3 ms 12636 KB Output is correct
36 Correct 4 ms 12636 KB Output is correct
37 Correct 4 ms 12684 KB Output is correct
38 Correct 3 ms 12636 KB Output is correct
39 Correct 4 ms 12636 KB Output is correct
40 Correct 3 ms 12636 KB Output is correct
41 Correct 3 ms 12636 KB Output is correct
42 Correct 5 ms 12632 KB Output is correct
43 Correct 3 ms 12636 KB Output is correct
44 Correct 4 ms 12636 KB Output is correct
45 Correct 3 ms 12636 KB Output is correct
46 Correct 4 ms 12636 KB Output is correct
47 Correct 3 ms 12636 KB Output is correct
48 Correct 3 ms 12636 KB Output is correct
49 Correct 4 ms 12632 KB Output is correct
50 Correct 4 ms 12636 KB Output is correct
51 Correct 4 ms 12636 KB Output is correct
52 Correct 3 ms 12636 KB Output is correct
53 Correct 3 ms 12636 KB Output is correct
54 Correct 4 ms 12636 KB Output is correct
55 Correct 136 ms 15008 KB Output is correct
56 Correct 182 ms 18128 KB Output is correct
57 Correct 123 ms 17096 KB Output is correct
58 Correct 127 ms 15056 KB Output is correct
59 Correct 150 ms 15048 KB Output is correct
60 Correct 133 ms 14544 KB Output is correct
61 Correct 150 ms 15136 KB Output is correct
62 Correct 195 ms 17352 KB Output is correct
63 Correct 157 ms 14828 KB Output is correct
64 Correct 167 ms 18124 KB Output is correct
65 Correct 136 ms 13776 KB Output is correct
66 Correct 135 ms 14436 KB Output is correct
67 Correct 193 ms 18636 KB Output is correct
68 Correct 199 ms 18632 KB Output is correct
69 Correct 131 ms 15076 KB Output is correct
70 Correct 180 ms 17312 KB Output is correct
71 Correct 1317 ms 18684 KB Output is correct
72 Correct 121 ms 15012 KB Output is correct
73 Correct 135 ms 15060 KB Output is correct
74 Correct 173 ms 15052 KB Output is correct
75 Correct 201 ms 17656 KB Output is correct
76 Correct 155 ms 14748 KB Output is correct
77 Correct 172 ms 17100 KB Output is correct
78 Correct 190 ms 18888 KB Output is correct
79 Correct 140 ms 13740 KB Output is correct
80 Correct 165 ms 14796 KB Output is correct
81 Correct 184 ms 17568 KB Output is correct
82 Correct 202 ms 18888 KB Output is correct
83 Correct 104 ms 14544 KB Output is correct
84 Correct 135 ms 18888 KB Output is correct
85 Correct 94 ms 17868 KB Output is correct
86 Correct 98 ms 14540 KB Output is correct
87 Correct 134 ms 14552 KB Output is correct
88 Correct 176 ms 18124 KB Output is correct
89 Correct 159 ms 14544 KB Output is correct
90 Correct 146 ms 17360 KB Output is correct
91 Correct 110 ms 13520 KB Output is correct
92 Correct 147 ms 14540 KB Output is correct
93 Correct 190 ms 18632 KB Output is correct
94 Correct 154 ms 15308 KB Output is correct
95 Execution timed out 2053 ms 18088 KB Time limit exceeded
96 Halted 0 ms 0 KB -