oj.uz

Submission #926253

# Submission time Handle Problem Language Result Execution time Memory
926253 2024-02-12T17:53:09 Z mansur Joker (BOI20_joker) C++17
71 / 100
 2000 ms 18896 KB 
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx")
#pragma GCC optimize("unroll-loops")
 
#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<pii> 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)};
}
 
inline 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];
}
 
inline void rb() {
	while (sz(h) && !pt[sz(h)]) {
		pii x = h.back();
		h.pop_back();
		if (x.f == -1) {
			ok = 1;
			continue;
		}
		p[x.f] = x.f;
		pr[x.f] = 0;
		sz[x.f] = x.s;
	}
	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();
	}
}

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 2 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 2 ms 12380 KB Output is correct
7 Correct 3 ms 12380 KB Output is correct
8 Correct 3 ms 12380 KB Output is correct
9 Correct 2 ms 12376 KB Output is correct
10 Correct 3 ms 12376 KB Output is correct
11 Correct 2 ms 12380 KB Output is correct
12 Correct 3 ms 12380 KB Output is correct
13 Correct 3 ms 12460 KB Output is correct
14 Correct 2 ms 12380 KB Output is correct
15 Correct 3 ms 12432 KB Output is correct
16 Correct 3 ms 12380 KB Output is correct
17 Correct 2 ms 12380 KB Output is correct
18 Correct 2 ms 12376 KB Output is correct
19 Correct 2 ms 12380 KB Output is correct
20 Correct 2 ms 12380 KB Output is correct
21 Correct 2 ms 12380 KB Output is correct
22 Correct 3 ms 12380 KB Output is correct
23 Correct 2 ms 12380 KB Output is correct
24 Correct 2 ms 12380 KB Output is correct
25 Correct 2 ms 12380 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 12380 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 2 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 2 ms 12380 KB Output is correct
7 Correct 3 ms 12380 KB Output is correct
8 Correct 3 ms 12380 KB Output is correct
9 Correct 2 ms 12376 KB Output is correct
10 Correct 3 ms 12376 KB Output is correct
11 Correct 2 ms 12380 KB Output is correct
12 Correct 3 ms 12380 KB Output is correct
13 Correct 3 ms 12460 KB Output is correct
14 Correct 2 ms 12380 KB Output is correct
15 Correct 3 ms 12432 KB Output is correct
16 Correct 3 ms 12380 KB Output is correct
17 Correct 2 ms 12380 KB Output is correct
18 Correct 2 ms 12376 KB Output is correct
19 Correct 2 ms 12380 KB Output is correct
20 Correct 2 ms 12380 KB Output is correct
21 Correct 2 ms 12380 KB Output is correct
22 Correct 3 ms 12380 KB Output is correct
23 Correct 2 ms 12380 KB Output is correct
24 Correct 2 ms 12380 KB Output is correct
25 Correct 2 ms 12380 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 12380 KB Output is correct
29 Correct 3 ms 12632 KB Output is correct
30 Correct 3 ms 12636 KB Output is correct
31 Correct 3 ms 12636 KB Output is correct
32 Correct 3 ms 12636 KB Output is correct
33 Correct 3 ms 12636 KB Output is correct
34 Correct 3 ms 12832 KB Output is correct
35 Correct 3 ms 12636 KB Output is correct
36 Correct 3 ms 12636 KB Output is correct
37 Correct 4 ms 12636 KB Output is correct
38 Correct 3 ms 12636 KB Output is correct
39 Correct 3 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 3 ms 12636 KB Output is correct
43 Correct 4 ms 12636 KB Output is correct
44 Correct 3 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 4 ms 12596 KB Output is correct
49 Correct 4 ms 12672 KB Output is correct
50 Correct 4 ms 12636 KB Output is correct
51 Correct 3 ms 12636 KB Output is correct
52 Correct 4 ms 12636 KB Output is correct
53 Correct 3 ms 12636 KB Output is correct
54 Correct 3 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 117 ms 15052 KB Output is correct
4 Correct 177 ms 17868 KB Output is correct
5 Correct 118 ms 17108 KB Output is correct
6 Correct 117 ms 15060 KB Output is correct
7 Correct 134 ms 15048 KB Output is correct
8 Correct 133 ms 14536 KB Output is correct
9 Correct 144 ms 15032 KB Output is correct
10 Correct 182 ms 18892 KB Output is correct
11 Correct 158 ms 15084 KB Output is correct
12 Correct 156 ms 17608 KB Output is correct
13 Correct 135 ms 13776 KB Output is correct
14 Correct 131 ms 14288 KB Output is correct
15 Correct 177 ms 18632 KB Output is correct
16 Correct 184 ms 17620 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 2 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 2 ms 12380 KB Output is correct
7 Correct 3 ms 12380 KB Output is correct
8 Correct 3 ms 12380 KB Output is correct
9 Correct 2 ms 12376 KB Output is correct
10 Correct 3 ms 12376 KB Output is correct
11 Correct 2 ms 12380 KB Output is correct
12 Correct 3 ms 12380 KB Output is correct
13 Correct 3 ms 12460 KB Output is correct
14 Correct 2 ms 12380 KB Output is correct
15 Correct 3 ms 12432 KB Output is correct
16 Correct 3 ms 12380 KB Output is correct
17 Correct 2 ms 12380 KB Output is correct
18 Correct 2 ms 12376 KB Output is correct
19 Correct 2 ms 12380 KB Output is correct
20 Correct 2 ms 12380 KB Output is correct
21 Correct 2 ms 12380 KB Output is correct
22 Correct 3 ms 12380 KB Output is correct
23 Correct 2 ms 12380 KB Output is correct
24 Correct 2 ms 12380 KB Output is correct
25 Correct 2 ms 12380 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 12380 KB Output is correct
29 Correct 117 ms 15052 KB Output is correct
30 Correct 177 ms 17868 KB Output is correct
31 Correct 118 ms 17108 KB Output is correct
32 Correct 117 ms 15060 KB Output is correct
33 Correct 134 ms 15048 KB Output is correct
34 Correct 133 ms 14536 KB Output is correct
35 Correct 144 ms 15032 KB Output is correct
36 Correct 182 ms 18892 KB Output is correct
37 Correct 158 ms 15084 KB Output is correct
38 Correct 156 ms 17608 KB Output is correct
39 Correct 135 ms 13776 KB Output is correct
40 Correct 131 ms 14288 KB Output is correct
41 Correct 177 ms 18632 KB Output is correct
42 Correct 184 ms 17620 KB Output is correct
43 Correct 119 ms 15048 KB Output is correct
44 Correct 173 ms 17612 KB Output is correct
45 Correct 1303 ms 17868 KB Output is correct
46 Correct 119 ms 15052 KB Output is correct
47 Correct 135 ms 14976 KB Output is correct
48 Correct 161 ms 15080 KB Output is correct
49 Correct 206 ms 17888 KB Output is correct
50 Correct 151 ms 14760 KB Output is correct
51 Correct 159 ms 17828 KB Output is correct
52 Correct 170 ms 18680 KB Output is correct
53 Correct 152 ms 13728 KB Output is correct
54 Correct 166 ms 14564 KB Output is correct
55 Correct 182 ms 18120 KB Output is correct
56 Correct 196 ms 18124 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 2 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 2 ms 12380 KB Output is correct
7 Correct 3 ms 12380 KB Output is correct
8 Correct 3 ms 12380 KB Output is correct
9 Correct 2 ms 12376 KB Output is correct
10 Correct 3 ms 12376 KB Output is correct
11 Correct 2 ms 12380 KB Output is correct
12 Correct 3 ms 12380 KB Output is correct
13 Correct 3 ms 12460 KB Output is correct
14 Correct 2 ms 12380 KB Output is correct
15 Correct 3 ms 12432 KB Output is correct
16 Correct 3 ms 12380 KB Output is correct
17 Correct 2 ms 12380 KB Output is correct
18 Correct 2 ms 12376 KB Output is correct
19 Correct 2 ms 12380 KB Output is correct
20 Correct 2 ms 12380 KB Output is correct
21 Correct 2 ms 12380 KB Output is correct
22 Correct 3 ms 12380 KB Output is correct
23 Correct 2 ms 12380 KB Output is correct
24 Correct 2 ms 12380 KB Output is correct
25 Correct 2 ms 12380 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 12380 KB Output is correct
29 Correct 3 ms 12632 KB Output is correct
30 Correct 3 ms 12636 KB Output is correct
31 Correct 3 ms 12636 KB Output is correct
32 Correct 3 ms 12636 KB Output is correct
33 Correct 3 ms 12636 KB Output is correct
34 Correct 3 ms 12832 KB Output is correct
35 Correct 3 ms 12636 KB Output is correct
36 Correct 3 ms 12636 KB Output is correct
37 Correct 4 ms 12636 KB Output is correct
38 Correct 3 ms 12636 KB Output is correct
39 Correct 3 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 3 ms 12636 KB Output is correct
43 Correct 4 ms 12636 KB Output is correct
44 Correct 3 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 4 ms 12596 KB Output is correct
49 Correct 4 ms 12672 KB Output is correct
50 Correct 4 ms 12636 KB Output is correct
51 Correct 3 ms 12636 KB Output is correct
52 Correct 4 ms 12636 KB Output is correct
53 Correct 3 ms 12636 KB Output is correct
54 Correct 3 ms 12636 KB Output is correct
55 Correct 93 ms 14548 KB Output is correct
56 Correct 136 ms 17104 KB Output is correct
57 Correct 89 ms 17352 KB Output is correct
58 Correct 97 ms 14544 KB Output is correct
59 Correct 130 ms 14724 KB Output is correct
60 Correct 166 ms 16840 KB Output is correct
61 Correct 139 ms 14540 KB Output is correct
62 Correct 130 ms 17352 KB Output is correct
63 Correct 106 ms 13524 KB Output is correct
64 Correct 139 ms 14704 KB Output is correct
65 Correct 164 ms 16840 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 2 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 2 ms 12380 KB Output is correct
7 Correct 3 ms 12380 KB Output is correct
8 Correct 3 ms 12380 KB Output is correct
9 Correct 2 ms 12376 KB Output is correct
10 Correct 3 ms 12376 KB Output is correct
11 Correct 2 ms 12380 KB Output is correct
12 Correct 3 ms 12380 KB Output is correct
13 Correct 3 ms 12460 KB Output is correct
14 Correct 2 ms 12380 KB Output is correct
15 Correct 3 ms 12432 KB Output is correct
16 Correct 3 ms 12380 KB Output is correct
17 Correct 2 ms 12380 KB Output is correct
18 Correct 2 ms 12376 KB Output is correct
19 Correct 2 ms 12380 KB Output is correct
20 Correct 2 ms 12380 KB Output is correct
21 Correct 2 ms 12380 KB Output is correct
22 Correct 3 ms 12380 KB Output is correct
23 Correct 2 ms 12380 KB Output is correct
24 Correct 2 ms 12380 KB Output is correct
25 Correct 2 ms 12380 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 12380 KB Output is correct
29 Correct 3 ms 12632 KB Output is correct
30 Correct 3 ms 12636 KB Output is correct
31 Correct 3 ms 12636 KB Output is correct
32 Correct 3 ms 12636 KB Output is correct
33 Correct 3 ms 12636 KB Output is correct
34 Correct 3 ms 12832 KB Output is correct
35 Correct 3 ms 12636 KB Output is correct
36 Correct 3 ms 12636 KB Output is correct
37 Correct 4 ms 12636 KB Output is correct
38 Correct 3 ms 12636 KB Output is correct
39 Correct 3 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 3 ms 12636 KB Output is correct
43 Correct 4 ms 12636 KB Output is correct
44 Correct 3 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 4 ms 12596 KB Output is correct
49 Correct 4 ms 12672 KB Output is correct
50 Correct 4 ms 12636 KB Output is correct
51 Correct 3 ms 12636 KB Output is correct
52 Correct 4 ms 12636 KB Output is correct
53 Correct 3 ms 12636 KB Output is correct
54 Correct 3 ms 12636 KB Output is correct
55 Correct 117 ms 15052 KB Output is correct
56 Correct 177 ms 17868 KB Output is correct
57 Correct 118 ms 17108 KB Output is correct
58 Correct 117 ms 15060 KB Output is correct
59 Correct 134 ms 15048 KB Output is correct
60 Correct 133 ms 14536 KB Output is correct
61 Correct 144 ms 15032 KB Output is correct
62 Correct 182 ms 18892 KB Output is correct
63 Correct 158 ms 15084 KB Output is correct
64 Correct 156 ms 17608 KB Output is correct
65 Correct 135 ms 13776 KB Output is correct
66 Correct 131 ms 14288 KB Output is correct
67 Correct 177 ms 18632 KB Output is correct
68 Correct 184 ms 17620 KB Output is correct
69 Correct 119 ms 15048 KB Output is correct
70 Correct 173 ms 17612 KB Output is correct
71 Correct 1303 ms 17868 KB Output is correct
72 Correct 119 ms 15052 KB Output is correct
73 Correct 135 ms 14976 KB Output is correct
74 Correct 161 ms 15080 KB Output is correct
75 Correct 206 ms 17888 KB Output is correct
76 Correct 151 ms 14760 KB Output is correct
77 Correct 159 ms 17828 KB Output is correct
78 Correct 170 ms 18680 KB Output is correct
79 Correct 152 ms 13728 KB Output is correct
80 Correct 166 ms 14564 KB Output is correct
81 Correct 182 ms 18120 KB Output is correct
82 Correct 196 ms 18124 KB Output is correct
83 Correct 93 ms 14548 KB Output is correct
84 Correct 136 ms 17104 KB Output is correct
85 Correct 89 ms 17352 KB Output is correct
86 Correct 97 ms 14544 KB Output is correct
87 Correct 130 ms 14724 KB Output is correct
88 Correct 166 ms 16840 KB Output is correct
89 Correct 139 ms 14540 KB Output is correct
90 Correct 130 ms 17352 KB Output is correct
91 Correct 106 ms 13524 KB Output is correct
92 Correct 139 ms 14704 KB Output is correct
93 Correct 164 ms 16840 KB Output is correct
94 Correct 127 ms 15016 KB Output is correct
95 Execution timed out 2056 ms 18896 KB Time limit exceeded
96 Halted 0 ms 0 KB -