oj.uz

Submission #926257

# Submission time Handle Problem Language Result Execution time Memory
926257 2024-02-12T17:57:52 Z mansur Joker (BOI20_joker) C++17
71 / 100
 186 ms 19392 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();
	if (!ps[m]) return;
	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:129:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
  129 | main() {
      | ^~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 3 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 2 ms 12380 KB Output is correct
5 Correct 2 ms 12380 KB Output is correct
6 Correct 3 ms 12380 KB Output is correct
7 Correct 3 ms 12632 KB Output is correct
8 Correct 3 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 2 ms 12380 KB Output is correct
12 Correct 3 ms 12376 KB Output is correct
13 Correct 3 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 12632 KB Output is correct
18 Correct 2 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 2 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 3 ms 12380 KB Output is correct
25 Correct 2 ms 12380 KB Output is correct
26 Correct 3 ms 12380 KB Output is correct
27 Correct 3 ms 12596 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 3 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 2 ms 12380 KB Output is correct
5 Correct 2 ms 12380 KB Output is correct
6 Correct 3 ms 12380 KB Output is correct
7 Correct 3 ms 12632 KB Output is correct
8 Correct 3 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 2 ms 12380 KB Output is correct
12 Correct 3 ms 12376 KB Output is correct
13 Correct 3 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 12632 KB Output is correct
18 Correct 2 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 2 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 3 ms 12380 KB Output is correct
25 Correct 2 ms 12380 KB Output is correct
26 Correct 3 ms 12380 KB Output is correct
27 Correct 3 ms 12596 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 3 ms 12636 KB Output is correct
37 Correct 3 ms 12648 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 3 ms 12636 KB Output is correct
43 Correct 3 ms 12636 KB Output is correct
44 Correct 3 ms 12592 KB Output is correct
45 Correct 5 ms 12636 KB Output is correct
46 Correct 3 ms 12636 KB Output is correct
47 Correct 3 ms 12632 KB Output is correct
48 Correct 5 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 4 ms 12636 KB Output is correct
53 Correct 4 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 3 ms 12380 KB Output is correct
2 Correct 2 ms 12380 KB Output is correct
3 Correct 116 ms 15012 KB Output is correct
4 Correct 60 ms 17360 KB Output is correct
5 Correct 123 ms 18636 KB Output is correct
6 Correct 116 ms 15004 KB Output is correct
7 Correct 131 ms 15056 KB Output is correct
8 Correct 122 ms 14504 KB Output is correct
9 Correct 143 ms 14992 KB Output is correct
10 Correct 173 ms 17620 KB Output is correct
11 Correct 146 ms 14956 KB Output is correct
12 Correct 151 ms 18120 KB Output is correct
13 Correct 133 ms 13612 KB Output is correct
14 Correct 144 ms 14428 KB Output is correct
15 Correct 181 ms 17364 KB Output is correct
16 Correct 176 ms 18636 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 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 2 ms 12380 KB Output is correct
5 Correct 2 ms 12380 KB Output is correct
6 Correct 3 ms 12380 KB Output is correct
7 Correct 3 ms 12632 KB Output is correct
8 Correct 3 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 2 ms 12380 KB Output is correct
12 Correct 3 ms 12376 KB Output is correct
13 Correct 3 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 12632 KB Output is correct
18 Correct 2 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 2 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 3 ms 12380 KB Output is correct
25 Correct 2 ms 12380 KB Output is correct
26 Correct 3 ms 12380 KB Output is correct
27 Correct 3 ms 12596 KB Output is correct
28 Correct 2 ms 12380 KB Output is correct
29 Correct 116 ms 15012 KB Output is correct
30 Correct 60 ms 17360 KB Output is correct
31 Correct 123 ms 18636 KB Output is correct
32 Correct 116 ms 15004 KB Output is correct
33 Correct 131 ms 15056 KB Output is correct
34 Correct 122 ms 14504 KB Output is correct
35 Correct 143 ms 14992 KB Output is correct
36 Correct 173 ms 17620 KB Output is correct
37 Correct 146 ms 14956 KB Output is correct
38 Correct 151 ms 18120 KB Output is correct
39 Correct 133 ms 13612 KB Output is correct
40 Correct 144 ms 14428 KB Output is correct
41 Correct 181 ms 17364 KB Output is correct
42 Correct 176 ms 18636 KB Output is correct
43 Correct 117 ms 15052 KB Output is correct
44 Correct 65 ms 16840 KB Output is correct
45 Correct 163 ms 18064 KB Output is correct
46 Correct 111 ms 15072 KB Output is correct
47 Correct 128 ms 15052 KB Output is correct
48 Correct 153 ms 15140 KB Output is correct
49 Correct 186 ms 17616 KB Output is correct
50 Correct 139 ms 14740 KB Output is correct
51 Correct 156 ms 17616 KB Output is correct
52 Correct 156 ms 18124 KB Output is correct
53 Correct 136 ms 13796 KB Output is correct
54 Correct 160 ms 14804 KB Output is correct
55 Correct 177 ms 18684 KB Output is correct
56 Correct 180 ms 17096 KB Output is correct

Subtask #5
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 3 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 2 ms 12380 KB Output is correct
5 Correct 2 ms 12380 KB Output is correct
6 Correct 3 ms 12380 KB Output is correct
7 Correct 3 ms 12632 KB Output is correct
8 Correct 3 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 2 ms 12380 KB Output is correct
12 Correct 3 ms 12376 KB Output is correct
13 Correct 3 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 12632 KB Output is correct
18 Correct 2 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 2 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 3 ms 12380 KB Output is correct
25 Correct 2 ms 12380 KB Output is correct
26 Correct 3 ms 12380 KB Output is correct
27 Correct 3 ms 12596 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 3 ms 12636 KB Output is correct
37 Correct 3 ms 12648 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 3 ms 12636 KB Output is correct
43 Correct 3 ms 12636 KB Output is correct
44 Correct 3 ms 12592 KB Output is correct
45 Correct 5 ms 12636 KB Output is correct
46 Correct 3 ms 12636 KB Output is correct
47 Correct 3 ms 12632 KB Output is correct
48 Correct 5 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 4 ms 12636 KB Output is correct
53 Correct 4 ms 12636 KB Output is correct
54 Correct 4 ms 12636 KB Output is correct
55 Correct 103 ms 14540 KB Output is correct
56 Correct 40 ms 17620 KB Output is correct
57 Correct 86 ms 18388 KB Output is correct
58 Correct 91 ms 14760 KB Output is correct
59 Correct 121 ms 14544 KB Output is correct
60 Correct 157 ms 18376 KB Output is correct
61 Correct 157 ms 14552 KB Output is correct
62 Correct 128 ms 17868 KB Output is correct
63 Correct 101 ms 13520 KB Output is correct
64 Correct 137 ms 14544 KB Output is correct
65 Correct 157 ms 18124 KB Output is correct

Subtask #6
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 3 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 2 ms 12380 KB Output is correct
5 Correct 2 ms 12380 KB Output is correct
6 Correct 3 ms 12380 KB Output is correct
7 Correct 3 ms 12632 KB Output is correct
8 Correct 3 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 2 ms 12380 KB Output is correct
12 Correct 3 ms 12376 KB Output is correct
13 Correct 3 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 12632 KB Output is correct
18 Correct 2 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 2 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 3 ms 12380 KB Output is correct
25 Correct 2 ms 12380 KB Output is correct
26 Correct 3 ms 12380 KB Output is correct
27 Correct 3 ms 12596 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 3 ms 12636 KB Output is correct
37 Correct 3 ms 12648 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 3 ms 12636 KB Output is correct
43 Correct 3 ms 12636 KB Output is correct
44 Correct 3 ms 12592 KB Output is correct
45 Correct 5 ms 12636 KB Output is correct
46 Correct 3 ms 12636 KB Output is correct
47 Correct 3 ms 12632 KB Output is correct
48 Correct 5 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 4 ms 12636 KB Output is correct
53 Correct 4 ms 12636 KB Output is correct
54 Correct 4 ms 12636 KB Output is correct
55 Correct 116 ms 15012 KB Output is correct
56 Correct 60 ms 17360 KB Output is correct
57 Correct 123 ms 18636 KB Output is correct
58 Correct 116 ms 15004 KB Output is correct
59 Correct 131 ms 15056 KB Output is correct
60 Correct 122 ms 14504 KB Output is correct
61 Correct 143 ms 14992 KB Output is correct
62 Correct 173 ms 17620 KB Output is correct
63 Correct 146 ms 14956 KB Output is correct
64 Correct 151 ms 18120 KB Output is correct
65 Correct 133 ms 13612 KB Output is correct
66 Correct 144 ms 14428 KB Output is correct
67 Correct 181 ms 17364 KB Output is correct
68 Correct 176 ms 18636 KB Output is correct
69 Correct 117 ms 15052 KB Output is correct
70 Correct 65 ms 16840 KB Output is correct
71 Correct 163 ms 18064 KB Output is correct
72 Correct 111 ms 15072 KB Output is correct
73 Correct 128 ms 15052 KB Output is correct
74 Correct 153 ms 15140 KB Output is correct
75 Correct 186 ms 17616 KB Output is correct
76 Correct 139 ms 14740 KB Output is correct
77 Correct 156 ms 17616 KB Output is correct
78 Correct 156 ms 18124 KB Output is correct
79 Correct 136 ms 13796 KB Output is correct
80 Correct 160 ms 14804 KB Output is correct
81 Correct 177 ms 18684 KB Output is correct
82 Correct 180 ms 17096 KB Output is correct
83 Correct 103 ms 14540 KB Output is correct
84 Correct 40 ms 17620 KB Output is correct
85 Correct 86 ms 18388 KB Output is correct
86 Correct 91 ms 14760 KB Output is correct
87 Correct 121 ms 14544 KB Output is correct
88 Correct 157 ms 18376 KB Output is correct
89 Correct 157 ms 14552 KB Output is correct
90 Correct 128 ms 17868 KB Output is correct
91 Correct 101 ms 13520 KB Output is correct
92 Correct 137 ms 14544 KB Output is correct
93 Correct 157 ms 18124 KB Output is correct
94 Correct 125 ms 15048 KB Output is correct
95 Incorrect 138 ms 19392 KB Output isn't correct
96 Halted 0 ms 0 KB -