oj.uz

Submission #926247

# Submission time Handle Problem Language Result Execution time Memory
926247 2024-02-12T17:49:55 Z mansur Joker (BOI20_joker) C++17
71 / 100
 2000 ms 18888 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 2 ms 12568 KB Output is correct
5 Correct 2 ms 12380 KB Output is correct
6 Correct 3 ms 12416 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 12380 KB Output is correct
10 Correct 3 ms 12380 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 12380 KB Output is correct
14 Correct 3 ms 12376 KB Output is correct
15 Correct 2 ms 12380 KB Output is correct
16 Correct 3 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 2 ms 12380 KB Output is correct
20 Correct 3 ms 12380 KB Output is correct
21 Correct 3 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 3 ms 12380 KB Output is correct
25 Correct 2 ms 12560 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 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 2 ms 12568 KB Output is correct
5 Correct 2 ms 12380 KB Output is correct
6 Correct 3 ms 12416 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 12380 KB Output is correct
10 Correct 3 ms 12380 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 12380 KB Output is correct
14 Correct 3 ms 12376 KB Output is correct
15 Correct 2 ms 12380 KB Output is correct
16 Correct 3 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 2 ms 12380 KB Output is correct
20 Correct 3 ms 12380 KB Output is correct
21 Correct 3 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 3 ms 12380 KB Output is correct
25 Correct 2 ms 12560 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 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 4 ms 12636 KB Output is correct
33 Correct 3 ms 12632 KB Output is correct
34 Correct 4 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 3 ms 12632 KB Output is correct
39 Correct 3 ms 12636 KB Output is correct
40 Correct 3 ms 12636 KB Output is correct
41 Correct 4 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 4 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 5 ms 12636 KB Output is correct
48 Correct 3 ms 12636 KB Output is correct
49 Correct 4 ms 12636 KB Output is correct
50 Correct 4 ms 12636 KB Output is correct
51 Correct 3 ms 12500 KB Output is correct
52 Correct 3 ms 12636 KB Output is correct
53 Correct 4 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 12380 KB Output is correct
2 Correct 2 ms 12380 KB Output is correct
3 Correct 122 ms 15052 KB Output is correct
4 Correct 168 ms 17064 KB Output is correct
5 Correct 113 ms 17064 KB Output is correct
6 Correct 115 ms 15056 KB Output is correct
7 Correct 129 ms 14976 KB Output is correct
8 Correct 123 ms 14544 KB Output is correct
9 Correct 148 ms 15352 KB Output is correct
10 Correct 176 ms 18380 KB Output is correct
11 Correct 145 ms 15052 KB Output is correct
12 Correct 152 ms 17352 KB Output is correct
13 Correct 130 ms 13780 KB Output is correct
14 Correct 135 ms 14352 KB Output is correct
15 Correct 175 ms 17864 KB Output is correct
16 Correct 193 ms 17100 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 2 ms 12568 KB Output is correct
5 Correct 2 ms 12380 KB Output is correct
6 Correct 3 ms 12416 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 12380 KB Output is correct
10 Correct 3 ms 12380 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 12380 KB Output is correct
14 Correct 3 ms 12376 KB Output is correct
15 Correct 2 ms 12380 KB Output is correct
16 Correct 3 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 2 ms 12380 KB Output is correct
20 Correct 3 ms 12380 KB Output is correct
21 Correct 3 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 3 ms 12380 KB Output is correct
25 Correct 2 ms 12560 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 122 ms 15052 KB Output is correct
30 Correct 168 ms 17064 KB Output is correct
31 Correct 113 ms 17064 KB Output is correct
32 Correct 115 ms 15056 KB Output is correct
33 Correct 129 ms 14976 KB Output is correct
34 Correct 123 ms 14544 KB Output is correct
35 Correct 148 ms 15352 KB Output is correct
36 Correct 176 ms 18380 KB Output is correct
37 Correct 145 ms 15052 KB Output is correct
38 Correct 152 ms 17352 KB Output is correct
39 Correct 130 ms 13780 KB Output is correct
40 Correct 135 ms 14352 KB Output is correct
41 Correct 175 ms 17864 KB Output is correct
42 Correct 193 ms 17100 KB Output is correct
43 Correct 123 ms 15056 KB Output is correct
44 Correct 171 ms 18120 KB Output is correct
45 Correct 1294 ms 18888 KB Output is correct
46 Correct 113 ms 15056 KB Output is correct
47 Correct 132 ms 15056 KB Output is correct
48 Correct 158 ms 15132 KB Output is correct
49 Correct 177 ms 17580 KB Output is correct
50 Correct 139 ms 14748 KB Output is correct
51 Correct 152 ms 17356 KB Output is correct
52 Correct 159 ms 18380 KB Output is correct
53 Correct 133 ms 13780 KB Output is correct
54 Correct 148 ms 14768 KB Output is correct
55 Correct 170 ms 18132 KB Output is correct
56 Correct 186 ms 18124 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 2 ms 12568 KB Output is correct
5 Correct 2 ms 12380 KB Output is correct
6 Correct 3 ms 12416 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 12380 KB Output is correct
10 Correct 3 ms 12380 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 12380 KB Output is correct
14 Correct 3 ms 12376 KB Output is correct
15 Correct 2 ms 12380 KB Output is correct
16 Correct 3 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 2 ms 12380 KB Output is correct
20 Correct 3 ms 12380 KB Output is correct
21 Correct 3 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 3 ms 12380 KB Output is correct
25 Correct 2 ms 12560 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 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 4 ms 12636 KB Output is correct
33 Correct 3 ms 12632 KB Output is correct
34 Correct 4 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 3 ms 12632 KB Output is correct
39 Correct 3 ms 12636 KB Output is correct
40 Correct 3 ms 12636 KB Output is correct
41 Correct 4 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 4 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 5 ms 12636 KB Output is correct
48 Correct 3 ms 12636 KB Output is correct
49 Correct 4 ms 12636 KB Output is correct
50 Correct 4 ms 12636 KB Output is correct
51 Correct 3 ms 12500 KB Output is correct
52 Correct 3 ms 12636 KB Output is correct
53 Correct 4 ms 12636 KB Output is correct
54 Correct 3 ms 12636 KB Output is correct
55 Correct 100 ms 14552 KB Output is correct
56 Correct 130 ms 17544 KB Output is correct
57 Correct 85 ms 17352 KB Output is correct
58 Correct 90 ms 14544 KB Output is correct
59 Correct 121 ms 14540 KB Output is correct
60 Correct 159 ms 18116 KB Output is correct
61 Correct 133 ms 14552 KB Output is correct
62 Correct 129 ms 17608 KB Output is correct
63 Correct 103 ms 13532 KB Output is correct
64 Correct 135 ms 14768 KB Output is correct
65 Correct 156 ms 18636 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 2 ms 12568 KB Output is correct
5 Correct 2 ms 12380 KB Output is correct
6 Correct 3 ms 12416 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 12380 KB Output is correct
10 Correct 3 ms 12380 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 12380 KB Output is correct
14 Correct 3 ms 12376 KB Output is correct
15 Correct 2 ms 12380 KB Output is correct
16 Correct 3 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 2 ms 12380 KB Output is correct
20 Correct 3 ms 12380 KB Output is correct
21 Correct 3 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 3 ms 12380 KB Output is correct
25 Correct 2 ms 12560 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 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 4 ms 12636 KB Output is correct
33 Correct 3 ms 12632 KB Output is correct
34 Correct 4 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 3 ms 12632 KB Output is correct
39 Correct 3 ms 12636 KB Output is correct
40 Correct 3 ms 12636 KB Output is correct
41 Correct 4 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 4 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 5 ms 12636 KB Output is correct
48 Correct 3 ms 12636 KB Output is correct
49 Correct 4 ms 12636 KB Output is correct
50 Correct 4 ms 12636 KB Output is correct
51 Correct 3 ms 12500 KB Output is correct
52 Correct 3 ms 12636 KB Output is correct
53 Correct 4 ms 12636 KB Output is correct
54 Correct 3 ms 12636 KB Output is correct
55 Correct 122 ms 15052 KB Output is correct
56 Correct 168 ms 17064 KB Output is correct
57 Correct 113 ms 17064 KB Output is correct
58 Correct 115 ms 15056 KB Output is correct
59 Correct 129 ms 14976 KB Output is correct
60 Correct 123 ms 14544 KB Output is correct
61 Correct 148 ms 15352 KB Output is correct
62 Correct 176 ms 18380 KB Output is correct
63 Correct 145 ms 15052 KB Output is correct
64 Correct 152 ms 17352 KB Output is correct
65 Correct 130 ms 13780 KB Output is correct
66 Correct 135 ms 14352 KB Output is correct
67 Correct 175 ms 17864 KB Output is correct
68 Correct 193 ms 17100 KB Output is correct
69 Correct 123 ms 15056 KB Output is correct
70 Correct 171 ms 18120 KB Output is correct
71 Correct 1294 ms 18888 KB Output is correct
72 Correct 113 ms 15056 KB Output is correct
73 Correct 132 ms 15056 KB Output is correct
74 Correct 158 ms 15132 KB Output is correct
75 Correct 177 ms 17580 KB Output is correct
76 Correct 139 ms 14748 KB Output is correct
77 Correct 152 ms 17356 KB Output is correct
78 Correct 159 ms 18380 KB Output is correct
79 Correct 133 ms 13780 KB Output is correct
80 Correct 148 ms 14768 KB Output is correct
81 Correct 170 ms 18132 KB Output is correct
82 Correct 186 ms 18124 KB Output is correct
83 Correct 100 ms 14552 KB Output is correct
84 Correct 130 ms 17544 KB Output is correct
85 Correct 85 ms 17352 KB Output is correct
86 Correct 90 ms 14544 KB Output is correct
87 Correct 121 ms 14540 KB Output is correct
88 Correct 159 ms 18116 KB Output is correct
89 Correct 133 ms 14552 KB Output is correct
90 Correct 129 ms 17608 KB Output is correct
91 Correct 103 ms 13532 KB Output is correct
92 Correct 135 ms 14768 KB Output is correct
93 Correct 156 ms 18636 KB Output is correct
94 Correct 125 ms 15052 KB Output is correct
95 Execution timed out 2071 ms 17828 KB Time limit exceeded
96 Halted 0 ms 0 KB -