oj.uz

Submission #926251

# Submission time Handle Problem Language Result Execution time Memory
926251 2024-02-12T17:51:51 Z mansur Joker (BOI20_joker) C++17
71 / 100
 2000 ms 18900 KB 
#pragma GCC target("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 3 ms 12376 KB Output is correct
2 Correct 2 ms 12380 KB Output is correct
3 Correct 2 ms 12500 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 12632 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 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 3 ms 12380 KB Output is correct
15 Correct 3 ms 12376 KB Output is correct
16 Correct 2 ms 12380 KB Output is correct
17 Correct 3 ms 12376 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 2 ms 12408 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 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 2 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 3 ms 12376 KB Output is correct
2 Correct 2 ms 12380 KB Output is correct
3 Correct 2 ms 12500 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 12632 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 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 3 ms 12380 KB Output is correct
15 Correct 3 ms 12376 KB Output is correct
16 Correct 2 ms 12380 KB Output is correct
17 Correct 3 ms 12376 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 2 ms 12408 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 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 2 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 3 ms 12632 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 3 ms 12632 KB Output is correct
36 Correct 3 ms 12636 KB Output is correct
37 Correct 4 ms 12636 KB Output is correct
38 Correct 5 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 12628 KB Output is correct
47 Correct 3 ms 12636 KB Output is correct
48 Correct 3 ms 12636 KB Output is correct
49 Correct 3 ms 12636 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 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 12376 KB Output is correct
2 Correct 2 ms 12380 KB Output is correct
3 Correct 116 ms 15052 KB Output is correct
4 Correct 176 ms 18364 KB Output is correct
5 Correct 119 ms 17752 KB Output is correct
6 Correct 114 ms 15056 KB Output is correct
7 Correct 137 ms 15052 KB Output is correct
8 Correct 124 ms 14544 KB Output is correct
9 Correct 138 ms 15128 KB Output is correct
10 Correct 186 ms 17356 KB Output is correct
11 Correct 146 ms 15048 KB Output is correct
12 Correct 150 ms 17352 KB Output is correct
13 Correct 131 ms 13804 KB Output is correct
14 Correct 127 ms 14436 KB Output is correct
15 Correct 172 ms 18132 KB Output is correct
16 Correct 186 ms 18596 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 12380 KB Output is correct
3 Correct 2 ms 12500 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 12632 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 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 3 ms 12380 KB Output is correct
15 Correct 3 ms 12376 KB Output is correct
16 Correct 2 ms 12380 KB Output is correct
17 Correct 3 ms 12376 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 2 ms 12408 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 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 2 ms 12380 KB Output is correct
28 Correct 2 ms 12376 KB Output is correct
29 Correct 116 ms 15052 KB Output is correct
30 Correct 176 ms 18364 KB Output is correct
31 Correct 119 ms 17752 KB Output is correct
32 Correct 114 ms 15056 KB Output is correct
33 Correct 137 ms 15052 KB Output is correct
34 Correct 124 ms 14544 KB Output is correct
35 Correct 138 ms 15128 KB Output is correct
36 Correct 186 ms 17356 KB Output is correct
37 Correct 146 ms 15048 KB Output is correct
38 Correct 150 ms 17352 KB Output is correct
39 Correct 131 ms 13804 KB Output is correct
40 Correct 127 ms 14436 KB Output is correct
41 Correct 172 ms 18132 KB Output is correct
42 Correct 186 ms 18596 KB Output is correct
43 Correct 122 ms 15052 KB Output is correct
44 Correct 172 ms 17056 KB Output is correct
45 Correct 1323 ms 17608 KB Output is correct
46 Correct 115 ms 15048 KB Output is correct
47 Correct 127 ms 15048 KB Output is correct
48 Correct 155 ms 15048 KB Output is correct
49 Correct 183 ms 17316 KB Output is correct
50 Correct 141 ms 14760 KB Output is correct
51 Correct 149 ms 17356 KB Output is correct
52 Correct 195 ms 18852 KB Output is correct
53 Correct 135 ms 13732 KB Output is correct
54 Correct 145 ms 14756 KB Output is correct
55 Correct 169 ms 17876 KB Output is correct
56 Correct 186 ms 18208 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 12380 KB Output is correct
3 Correct 2 ms 12500 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 12632 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 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 3 ms 12380 KB Output is correct
15 Correct 3 ms 12376 KB Output is correct
16 Correct 2 ms 12380 KB Output is correct
17 Correct 3 ms 12376 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 2 ms 12408 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 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 2 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 3 ms 12632 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 3 ms 12632 KB Output is correct
36 Correct 3 ms 12636 KB Output is correct
37 Correct 4 ms 12636 KB Output is correct
38 Correct 5 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 12628 KB Output is correct
47 Correct 3 ms 12636 KB Output is correct
48 Correct 3 ms 12636 KB Output is correct
49 Correct 3 ms 12636 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 4 ms 12636 KB Output is correct
54 Correct 4 ms 12636 KB Output is correct
55 Correct 92 ms 14544 KB Output is correct
56 Correct 131 ms 18900 KB Output is correct
57 Correct 93 ms 17096 KB Output is correct
58 Correct 95 ms 14548 KB Output is correct
59 Correct 122 ms 14548 KB Output is correct
60 Correct 155 ms 18636 KB Output is correct
61 Correct 133 ms 14544 KB Output is correct
62 Correct 131 ms 16844 KB Output is correct
63 Correct 103 ms 13780 KB Output is correct
64 Correct 136 ms 14544 KB Output is correct
65 Correct 162 ms 17096 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 12380 KB Output is correct
3 Correct 2 ms 12500 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 12632 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 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 3 ms 12380 KB Output is correct
15 Correct 3 ms 12376 KB Output is correct
16 Correct 2 ms 12380 KB Output is correct
17 Correct 3 ms 12376 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 2 ms 12408 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 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 2 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 3 ms 12632 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 3 ms 12632 KB Output is correct
36 Correct 3 ms 12636 KB Output is correct
37 Correct 4 ms 12636 KB Output is correct
38 Correct 5 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 12628 KB Output is correct
47 Correct 3 ms 12636 KB Output is correct
48 Correct 3 ms 12636 KB Output is correct
49 Correct 3 ms 12636 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 4 ms 12636 KB Output is correct
54 Correct 4 ms 12636 KB Output is correct
55 Correct 116 ms 15052 KB Output is correct
56 Correct 176 ms 18364 KB Output is correct
57 Correct 119 ms 17752 KB Output is correct
58 Correct 114 ms 15056 KB Output is correct
59 Correct 137 ms 15052 KB Output is correct
60 Correct 124 ms 14544 KB Output is correct
61 Correct 138 ms 15128 KB Output is correct
62 Correct 186 ms 17356 KB Output is correct
63 Correct 146 ms 15048 KB Output is correct
64 Correct 150 ms 17352 KB Output is correct
65 Correct 131 ms 13804 KB Output is correct
66 Correct 127 ms 14436 KB Output is correct
67 Correct 172 ms 18132 KB Output is correct
68 Correct 186 ms 18596 KB Output is correct
69 Correct 122 ms 15052 KB Output is correct
70 Correct 172 ms 17056 KB Output is correct
71 Correct 1323 ms 17608 KB Output is correct
72 Correct 115 ms 15048 KB Output is correct
73 Correct 127 ms 15048 KB Output is correct
74 Correct 155 ms 15048 KB Output is correct
75 Correct 183 ms 17316 KB Output is correct
76 Correct 141 ms 14760 KB Output is correct
77 Correct 149 ms 17356 KB Output is correct
78 Correct 195 ms 18852 KB Output is correct
79 Correct 135 ms 13732 KB Output is correct
80 Correct 145 ms 14756 KB Output is correct
81 Correct 169 ms 17876 KB Output is correct
82 Correct 186 ms 18208 KB Output is correct
83 Correct 92 ms 14544 KB Output is correct
84 Correct 131 ms 18900 KB Output is correct
85 Correct 93 ms 17096 KB Output is correct
86 Correct 95 ms 14548 KB Output is correct
87 Correct 122 ms 14548 KB Output is correct
88 Correct 155 ms 18636 KB Output is correct
89 Correct 133 ms 14544 KB Output is correct
90 Correct 131 ms 16844 KB Output is correct
91 Correct 103 ms 13780 KB Output is correct
92 Correct 136 ms 14544 KB Output is correct
93 Correct 162 ms 17096 KB Output is correct
94 Correct 123 ms 15048 KB Output is correct
95 Execution timed out 2059 ms 18132 KB Time limit exceeded
96 Halted 0 ms 0 KB -