oj.uz

Submission #926244

# Submission time Handle Problem Language Result Execution time Memory
926244 2024-02-12T17:48:25 Z mansur Joker (BOI20_joker) C++17
71 / 100
 2000 ms 18892 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 = 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 12380 KB Output is correct
2 Correct 2 ms 12380 KB Output is correct
3 Correct 3 ms 12380 KB Output is correct
4 Correct 3 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 3 ms 12380 KB Output is correct
10 Correct 3 ms 12380 KB Output is correct
11 Correct 2 ms 12376 KB Output is correct
12 Correct 2 ms 12380 KB Output is correct
13 Correct 2 ms 12376 KB Output is correct
14 Correct 3 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 3 ms 12380 KB Output is correct
20 Correct 2 ms 12380 KB Output is correct
21 Correct 3 ms 12380 KB Output is correct
22 Correct 2 ms 12380 KB Output is correct
23 Correct 2 ms 12380 KB Output is correct
24 Correct 2 ms 12632 KB Output is correct
25 Correct 2 ms 12380 KB Output is correct
26 Correct 2 ms 12380 KB Output is correct
27 Correct 2 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 12380 KB Output is correct
2 Correct 2 ms 12380 KB Output is correct
3 Correct 3 ms 12380 KB Output is correct
4 Correct 3 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 3 ms 12380 KB Output is correct
10 Correct 3 ms 12380 KB Output is correct
11 Correct 2 ms 12376 KB Output is correct
12 Correct 2 ms 12380 KB Output is correct
13 Correct 2 ms 12376 KB Output is correct
14 Correct 3 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 3 ms 12380 KB Output is correct
20 Correct 2 ms 12380 KB Output is correct
21 Correct 3 ms 12380 KB Output is correct
22 Correct 2 ms 12380 KB Output is correct
23 Correct 2 ms 12380 KB Output is correct
24 Correct 2 ms 12632 KB Output is correct
25 Correct 2 ms 12380 KB Output is correct
26 Correct 2 ms 12380 KB Output is correct
27 Correct 2 ms 12380 KB Output is correct
28 Correct 2 ms 12380 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 3 ms 12636 KB Output is correct
33 Correct 3 ms 12636 KB Output is correct
34 Correct 3 ms 12636 KB Output is correct
35 Correct 4 ms 12636 KB Output is correct
36 Correct 4 ms 12636 KB Output is correct
37 Correct 4 ms 12632 KB Output is correct
38 Correct 4 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 3 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 3 ms 12636 KB Output is correct
47 Correct 3 ms 12636 KB Output is correct
48 Correct 4 ms 12636 KB Output is correct
49 Correct 3 ms 12636 KB Output is correct
50 Correct 3 ms 12636 KB Output is correct
51 Correct 3 ms 12636 KB Output is correct
52 Correct 3 ms 12636 KB Output is correct
53 Correct 3 ms 12676 KB Output is correct
54 Correct 3 ms 12676 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 12380 KB Output is correct
2 Correct 2 ms 12380 KB Output is correct
3 Correct 118 ms 15048 KB Output is correct
4 Correct 176 ms 17352 KB Output is correct
5 Correct 117 ms 18892 KB Output is correct
6 Correct 116 ms 15072 KB Output is correct
7 Correct 134 ms 15212 KB Output is correct
8 Correct 122 ms 14444 KB Output is correct
9 Correct 136 ms 15052 KB Output is correct
10 Correct 175 ms 17060 KB Output is correct
11 Correct 142 ms 15564 KB Output is correct
12 Correct 154 ms 18380 KB Output is correct
13 Correct 130 ms 13604 KB Output is correct
14 Correct 134 ms 14488 KB Output is correct
15 Correct 176 ms 17720 KB Output is correct
16 Correct 177 ms 18888 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 12380 KB Output is correct
2 Correct 2 ms 12380 KB Output is correct
3 Correct 3 ms 12380 KB Output is correct
4 Correct 3 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 3 ms 12380 KB Output is correct
10 Correct 3 ms 12380 KB Output is correct
11 Correct 2 ms 12376 KB Output is correct
12 Correct 2 ms 12380 KB Output is correct
13 Correct 2 ms 12376 KB Output is correct
14 Correct 3 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 3 ms 12380 KB Output is correct
20 Correct 2 ms 12380 KB Output is correct
21 Correct 3 ms 12380 KB Output is correct
22 Correct 2 ms 12380 KB Output is correct
23 Correct 2 ms 12380 KB Output is correct
24 Correct 2 ms 12632 KB Output is correct
25 Correct 2 ms 12380 KB Output is correct
26 Correct 2 ms 12380 KB Output is correct
27 Correct 2 ms 12380 KB Output is correct
28 Correct 2 ms 12380 KB Output is correct
29 Correct 118 ms 15048 KB Output is correct
30 Correct 176 ms 17352 KB Output is correct
31 Correct 117 ms 18892 KB Output is correct
32 Correct 116 ms 15072 KB Output is correct
33 Correct 134 ms 15212 KB Output is correct
34 Correct 122 ms 14444 KB Output is correct
35 Correct 136 ms 15052 KB Output is correct
36 Correct 175 ms 17060 KB Output is correct
37 Correct 142 ms 15564 KB Output is correct
38 Correct 154 ms 18380 KB Output is correct
39 Correct 130 ms 13604 KB Output is correct
40 Correct 134 ms 14488 KB Output is correct
41 Correct 176 ms 17720 KB Output is correct
42 Correct 177 ms 18888 KB Output is correct
43 Correct 121 ms 15008 KB Output is correct
44 Correct 184 ms 17864 KB Output is correct
45 Correct 1293 ms 17276 KB Output is correct
46 Correct 111 ms 15056 KB Output is correct
47 Correct 126 ms 15076 KB Output is correct
48 Correct 152 ms 15056 KB Output is correct
49 Correct 188 ms 17068 KB Output is correct
50 Correct 140 ms 14992 KB Output is correct
51 Correct 155 ms 17064 KB Output is correct
52 Correct 161 ms 18336 KB Output is correct
53 Correct 133 ms 13720 KB Output is correct
54 Correct 148 ms 14752 KB Output is correct
55 Correct 171 ms 18628 KB Output is correct
56 Correct 187 ms 17868 KB Output is correct

Subtask #5
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 12380 KB Output is correct
2 Correct 2 ms 12380 KB Output is correct
3 Correct 3 ms 12380 KB Output is correct
4 Correct 3 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 3 ms 12380 KB Output is correct
10 Correct 3 ms 12380 KB Output is correct
11 Correct 2 ms 12376 KB Output is correct
12 Correct 2 ms 12380 KB Output is correct
13 Correct 2 ms 12376 KB Output is correct
14 Correct 3 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 3 ms 12380 KB Output is correct
20 Correct 2 ms 12380 KB Output is correct
21 Correct 3 ms 12380 KB Output is correct
22 Correct 2 ms 12380 KB Output is correct
23 Correct 2 ms 12380 KB Output is correct
24 Correct 2 ms 12632 KB Output is correct
25 Correct 2 ms 12380 KB Output is correct
26 Correct 2 ms 12380 KB Output is correct
27 Correct 2 ms 12380 KB Output is correct
28 Correct 2 ms 12380 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 3 ms 12636 KB Output is correct
33 Correct 3 ms 12636 KB Output is correct
34 Correct 3 ms 12636 KB Output is correct
35 Correct 4 ms 12636 KB Output is correct
36 Correct 4 ms 12636 KB Output is correct
37 Correct 4 ms 12632 KB Output is correct
38 Correct 4 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 3 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 3 ms 12636 KB Output is correct
47 Correct 3 ms 12636 KB Output is correct
48 Correct 4 ms 12636 KB Output is correct
49 Correct 3 ms 12636 KB Output is correct
50 Correct 3 ms 12636 KB Output is correct
51 Correct 3 ms 12636 KB Output is correct
52 Correct 3 ms 12636 KB Output is correct
53 Correct 3 ms 12676 KB Output is correct
54 Correct 3 ms 12676 KB Output is correct
55 Correct 93 ms 14552 KB Output is correct
56 Correct 128 ms 17876 KB Output is correct
57 Correct 89 ms 18120 KB Output is correct
58 Correct 90 ms 14540 KB Output is correct
59 Correct 126 ms 14544 KB Output is correct
60 Correct 155 ms 18380 KB Output is correct
61 Correct 133 ms 14768 KB Output is correct
62 Correct 154 ms 17604 KB Output is correct
63 Correct 103 ms 13532 KB Output is correct
64 Correct 135 ms 14552 KB Output is correct
65 Correct 166 ms 16840 KB Output is correct

Subtask #6
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 12380 KB Output is correct
2 Correct 2 ms 12380 KB Output is correct
3 Correct 3 ms 12380 KB Output is correct
4 Correct 3 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 3 ms 12380 KB Output is correct
10 Correct 3 ms 12380 KB Output is correct
11 Correct 2 ms 12376 KB Output is correct
12 Correct 2 ms 12380 KB Output is correct
13 Correct 2 ms 12376 KB Output is correct
14 Correct 3 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 3 ms 12380 KB Output is correct
20 Correct 2 ms 12380 KB Output is correct
21 Correct 3 ms 12380 KB Output is correct
22 Correct 2 ms 12380 KB Output is correct
23 Correct 2 ms 12380 KB Output is correct
24 Correct 2 ms 12632 KB Output is correct
25 Correct 2 ms 12380 KB Output is correct
26 Correct 2 ms 12380 KB Output is correct
27 Correct 2 ms 12380 KB Output is correct
28 Correct 2 ms 12380 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 3 ms 12636 KB Output is correct
33 Correct 3 ms 12636 KB Output is correct
34 Correct 3 ms 12636 KB Output is correct
35 Correct 4 ms 12636 KB Output is correct
36 Correct 4 ms 12636 KB Output is correct
37 Correct 4 ms 12632 KB Output is correct
38 Correct 4 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 3 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 3 ms 12636 KB Output is correct
47 Correct 3 ms 12636 KB Output is correct
48 Correct 4 ms 12636 KB Output is correct
49 Correct 3 ms 12636 KB Output is correct
50 Correct 3 ms 12636 KB Output is correct
51 Correct 3 ms 12636 KB Output is correct
52 Correct 3 ms 12636 KB Output is correct
53 Correct 3 ms 12676 KB Output is correct
54 Correct 3 ms 12676 KB Output is correct
55 Correct 118 ms 15048 KB Output is correct
56 Correct 176 ms 17352 KB Output is correct
57 Correct 117 ms 18892 KB Output is correct
58 Correct 116 ms 15072 KB Output is correct
59 Correct 134 ms 15212 KB Output is correct
60 Correct 122 ms 14444 KB Output is correct
61 Correct 136 ms 15052 KB Output is correct
62 Correct 175 ms 17060 KB Output is correct
63 Correct 142 ms 15564 KB Output is correct
64 Correct 154 ms 18380 KB Output is correct
65 Correct 130 ms 13604 KB Output is correct
66 Correct 134 ms 14488 KB Output is correct
67 Correct 176 ms 17720 KB Output is correct
68 Correct 177 ms 18888 KB Output is correct
69 Correct 121 ms 15008 KB Output is correct
70 Correct 184 ms 17864 KB Output is correct
71 Correct 1293 ms 17276 KB Output is correct
72 Correct 111 ms 15056 KB Output is correct
73 Correct 126 ms 15076 KB Output is correct
74 Correct 152 ms 15056 KB Output is correct
75 Correct 188 ms 17068 KB Output is correct
76 Correct 140 ms 14992 KB Output is correct
77 Correct 155 ms 17064 KB Output is correct
78 Correct 161 ms 18336 KB Output is correct
79 Correct 133 ms 13720 KB Output is correct
80 Correct 148 ms 14752 KB Output is correct
81 Correct 171 ms 18628 KB Output is correct
82 Correct 187 ms 17868 KB Output is correct
83 Correct 93 ms 14552 KB Output is correct
84 Correct 128 ms 17876 KB Output is correct
85 Correct 89 ms 18120 KB Output is correct
86 Correct 90 ms 14540 KB Output is correct
87 Correct 126 ms 14544 KB Output is correct
88 Correct 155 ms 18380 KB Output is correct
89 Correct 133 ms 14768 KB Output is correct
90 Correct 154 ms 17604 KB Output is correct
91 Correct 103 ms 13532 KB Output is correct
92 Correct 135 ms 14552 KB Output is correct
93 Correct 166 ms 16840 KB Output is correct
94 Correct 123 ms 15048 KB Output is correct
95 Execution timed out 2005 ms 18604 KB Time limit exceeded
96 Halted 0 ms 0 KB -