oj.uz

Submission #926242

# Submission time Handle Problem Language Result Execution time Memory
926242 2024-02-12T17:43:26 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<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)};
}
 
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)]) {
		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();
	}
}

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 3 ms 12376 KB Output is correct
2 Correct 2 ms 12376 KB Output is correct
3 Correct 2 ms 12380 KB Output is correct
4 Correct 3 ms 12440 KB Output is correct
5 Correct 3 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 2 ms 12380 KB Output is correct
9 Correct 3 ms 12528 KB Output is correct
10 Correct 2 ms 12380 KB Output is correct
11 Correct 2 ms 12380 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 12376 KB Output is correct
15 Correct 3 ms 12380 KB Output is correct
16 Correct 2 ms 12380 KB Output is correct
17 Correct 3 ms 12380 KB Output is correct
18 Correct 2 ms 12380 KB Output is correct
19 Correct 2 ms 12376 KB Output is correct
20 Correct 2 ms 12376 KB Output is correct
21 Correct 2 ms 12376 KB Output is correct
22 Correct 2 ms 12608 KB Output is correct
23 Correct 2 ms 12376 KB Output is correct
24 Correct 2 ms 12380 KB Output is correct
25 Correct 3 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 3 ms 12612 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 12376 KB Output is correct
2 Correct 2 ms 12376 KB Output is correct
3 Correct 2 ms 12380 KB Output is correct
4 Correct 3 ms 12440 KB Output is correct
5 Correct 3 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 2 ms 12380 KB Output is correct
9 Correct 3 ms 12528 KB Output is correct
10 Correct 2 ms 12380 KB Output is correct
11 Correct 2 ms 12380 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 12376 KB Output is correct
15 Correct 3 ms 12380 KB Output is correct
16 Correct 2 ms 12380 KB Output is correct
17 Correct 3 ms 12380 KB Output is correct
18 Correct 2 ms 12380 KB Output is correct
19 Correct 2 ms 12376 KB Output is correct
20 Correct 2 ms 12376 KB Output is correct
21 Correct 2 ms 12376 KB Output is correct
22 Correct 2 ms 12608 KB Output is correct
23 Correct 2 ms 12376 KB Output is correct
24 Correct 2 ms 12380 KB Output is correct
25 Correct 3 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 3 ms 12612 KB Output is correct
29 Correct 3 ms 12636 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 12636 KB Output is correct
35 Correct 4 ms 12636 KB Output is correct
36 Correct 3 ms 12636 KB Output is correct
37 Correct 4 ms 12600 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 12440 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 12684 KB Output is correct
51 Correct 3 ms 12636 KB Output is correct
52 Correct 3 ms 12636 KB Output is correct
53 Correct 4 ms 12888 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 3 ms 12376 KB Output is correct
2 Correct 2 ms 12376 KB Output is correct
3 Correct 120 ms 15068 KB Output is correct
4 Correct 172 ms 18380 KB Output is correct
5 Correct 114 ms 18588 KB Output is correct
6 Correct 115 ms 15048 KB Output is correct
7 Correct 129 ms 15048 KB Output is correct
8 Correct 129 ms 14556 KB Output is correct
9 Correct 159 ms 15176 KB Output is correct
10 Correct 180 ms 18376 KB Output is correct
11 Correct 146 ms 15040 KB Output is correct
12 Correct 155 ms 17864 KB Output is correct
13 Correct 131 ms 13804 KB Output is correct
14 Correct 145 ms 14444 KB Output is correct
15 Correct 174 ms 18644 KB Output is correct
16 Correct 183 ms 18892 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 12376 KB Output is correct
2 Correct 2 ms 12376 KB Output is correct
3 Correct 2 ms 12380 KB Output is correct
4 Correct 3 ms 12440 KB Output is correct
5 Correct 3 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 2 ms 12380 KB Output is correct
9 Correct 3 ms 12528 KB Output is correct
10 Correct 2 ms 12380 KB Output is correct
11 Correct 2 ms 12380 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 12376 KB Output is correct
15 Correct 3 ms 12380 KB Output is correct
16 Correct 2 ms 12380 KB Output is correct
17 Correct 3 ms 12380 KB Output is correct
18 Correct 2 ms 12380 KB Output is correct
19 Correct 2 ms 12376 KB Output is correct
20 Correct 2 ms 12376 KB Output is correct
21 Correct 2 ms 12376 KB Output is correct
22 Correct 2 ms 12608 KB Output is correct
23 Correct 2 ms 12376 KB Output is correct
24 Correct 2 ms 12380 KB Output is correct
25 Correct 3 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 3 ms 12612 KB Output is correct
29 Correct 120 ms 15068 KB Output is correct
30 Correct 172 ms 18380 KB Output is correct
31 Correct 114 ms 18588 KB Output is correct
32 Correct 115 ms 15048 KB Output is correct
33 Correct 129 ms 15048 KB Output is correct
34 Correct 129 ms 14556 KB Output is correct
35 Correct 159 ms 15176 KB Output is correct
36 Correct 180 ms 18376 KB Output is correct
37 Correct 146 ms 15040 KB Output is correct
38 Correct 155 ms 17864 KB Output is correct
39 Correct 131 ms 13804 KB Output is correct
40 Correct 145 ms 14444 KB Output is correct
41 Correct 174 ms 18644 KB Output is correct
42 Correct 183 ms 18892 KB Output is correct
43 Correct 121 ms 14992 KB Output is correct
44 Correct 186 ms 17096 KB Output is correct
45 Correct 1377 ms 17864 KB Output is correct
46 Correct 110 ms 14972 KB Output is correct
47 Correct 134 ms 15052 KB Output is correct
48 Correct 152 ms 15016 KB Output is correct
49 Correct 186 ms 17864 KB Output is correct
50 Correct 150 ms 14772 KB Output is correct
51 Correct 160 ms 18248 KB Output is correct
52 Correct 160 ms 18632 KB Output is correct
53 Correct 136 ms 13796 KB Output is correct
54 Correct 159 ms 14792 KB Output is correct
55 Correct 168 ms 17100 KB Output is correct
56 Correct 197 ms 18376 KB Output is correct

Subtask #5
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 12376 KB Output is correct
2 Correct 2 ms 12376 KB Output is correct
3 Correct 2 ms 12380 KB Output is correct
4 Correct 3 ms 12440 KB Output is correct
5 Correct 3 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 2 ms 12380 KB Output is correct
9 Correct 3 ms 12528 KB Output is correct
10 Correct 2 ms 12380 KB Output is correct
11 Correct 2 ms 12380 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 12376 KB Output is correct
15 Correct 3 ms 12380 KB Output is correct
16 Correct 2 ms 12380 KB Output is correct
17 Correct 3 ms 12380 KB Output is correct
18 Correct 2 ms 12380 KB Output is correct
19 Correct 2 ms 12376 KB Output is correct
20 Correct 2 ms 12376 KB Output is correct
21 Correct 2 ms 12376 KB Output is correct
22 Correct 2 ms 12608 KB Output is correct
23 Correct 2 ms 12376 KB Output is correct
24 Correct 2 ms 12380 KB Output is correct
25 Correct 3 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 3 ms 12612 KB Output is correct
29 Correct 3 ms 12636 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 12636 KB Output is correct
35 Correct 4 ms 12636 KB Output is correct
36 Correct 3 ms 12636 KB Output is correct
37 Correct 4 ms 12600 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 12440 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 12684 KB Output is correct
51 Correct 3 ms 12636 KB Output is correct
52 Correct 3 ms 12636 KB Output is correct
53 Correct 4 ms 12888 KB Output is correct
54 Correct 4 ms 12636 KB Output is correct
55 Correct 95 ms 14756 KB Output is correct
56 Correct 133 ms 17868 KB Output is correct
57 Correct 94 ms 17608 KB Output is correct
58 Correct 90 ms 14552 KB Output is correct
59 Correct 122 ms 14548 KB Output is correct
60 Correct 154 ms 18836 KB Output is correct
61 Correct 138 ms 15016 KB Output is correct
62 Correct 131 ms 18352 KB Output is correct
63 Correct 110 ms 13740 KB Output is correct
64 Correct 137 ms 14544 KB Output is correct
65 Correct 163 ms 18808 KB Output is correct

Subtask #6
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 12376 KB Output is correct
2 Correct 2 ms 12376 KB Output is correct
3 Correct 2 ms 12380 KB Output is correct
4 Correct 3 ms 12440 KB Output is correct
5 Correct 3 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 2 ms 12380 KB Output is correct
9 Correct 3 ms 12528 KB Output is correct
10 Correct 2 ms 12380 KB Output is correct
11 Correct 2 ms 12380 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 12376 KB Output is correct
15 Correct 3 ms 12380 KB Output is correct
16 Correct 2 ms 12380 KB Output is correct
17 Correct 3 ms 12380 KB Output is correct
18 Correct 2 ms 12380 KB Output is correct
19 Correct 2 ms 12376 KB Output is correct
20 Correct 2 ms 12376 KB Output is correct
21 Correct 2 ms 12376 KB Output is correct
22 Correct 2 ms 12608 KB Output is correct
23 Correct 2 ms 12376 KB Output is correct
24 Correct 2 ms 12380 KB Output is correct
25 Correct 3 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 3 ms 12612 KB Output is correct
29 Correct 3 ms 12636 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 12636 KB Output is correct
35 Correct 4 ms 12636 KB Output is correct
36 Correct 3 ms 12636 KB Output is correct
37 Correct 4 ms 12600 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 12440 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 12684 KB Output is correct
51 Correct 3 ms 12636 KB Output is correct
52 Correct 3 ms 12636 KB Output is correct
53 Correct 4 ms 12888 KB Output is correct
54 Correct 4 ms 12636 KB Output is correct
55 Correct 120 ms 15068 KB Output is correct
56 Correct 172 ms 18380 KB Output is correct
57 Correct 114 ms 18588 KB Output is correct
58 Correct 115 ms 15048 KB Output is correct
59 Correct 129 ms 15048 KB Output is correct
60 Correct 129 ms 14556 KB Output is correct
61 Correct 159 ms 15176 KB Output is correct
62 Correct 180 ms 18376 KB Output is correct
63 Correct 146 ms 15040 KB Output is correct
64 Correct 155 ms 17864 KB Output is correct
65 Correct 131 ms 13804 KB Output is correct
66 Correct 145 ms 14444 KB Output is correct
67 Correct 174 ms 18644 KB Output is correct
68 Correct 183 ms 18892 KB Output is correct
69 Correct 121 ms 14992 KB Output is correct
70 Correct 186 ms 17096 KB Output is correct
71 Correct 1377 ms 17864 KB Output is correct
72 Correct 110 ms 14972 KB Output is correct
73 Correct 134 ms 15052 KB Output is correct
74 Correct 152 ms 15016 KB Output is correct
75 Correct 186 ms 17864 KB Output is correct
76 Correct 150 ms 14772 KB Output is correct
77 Correct 160 ms 18248 KB Output is correct
78 Correct 160 ms 18632 KB Output is correct
79 Correct 136 ms 13796 KB Output is correct
80 Correct 159 ms 14792 KB Output is correct
81 Correct 168 ms 17100 KB Output is correct
82 Correct 197 ms 18376 KB Output is correct
83 Correct 95 ms 14756 KB Output is correct
84 Correct 133 ms 17868 KB Output is correct
85 Correct 94 ms 17608 KB Output is correct
86 Correct 90 ms 14552 KB Output is correct
87 Correct 122 ms 14548 KB Output is correct
88 Correct 154 ms 18836 KB Output is correct
89 Correct 138 ms 15016 KB Output is correct
90 Correct 131 ms 18352 KB Output is correct
91 Correct 110 ms 13740 KB Output is correct
92 Correct 137 ms 14544 KB Output is correct
93 Correct 163 ms 18808 KB Output is correct
94 Correct 137 ms 15052 KB Output is correct
95 Execution timed out 2064 ms 18340 KB Time limit exceeded
96 Halted 0 ms 0 KB -