oj.uz

Submission #926234

# Submission time Handle Problem Language Result Execution time Memory
926234 2024-02-12T17:39:12 Z mansur Joker (BOI20_joker) C++17
71 / 100
 2000 ms 18632 KB 
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx")
#pragma GCC optimize("Ofast,fast-math")

#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)};
}

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];
}

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();
	}
}
//wenomechainsama

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 12380 KB Output is correct
2 Correct 2 ms 12380 KB Output is correct
3 Correct 2 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 2 ms 12380 KB Output is correct
7 Correct 2 ms 12380 KB Output is correct
8 Correct 2 ms 12380 KB Output is correct
9 Correct 2 ms 12380 KB Output is correct
10 Correct 3 ms 12380 KB Output is correct
11 Correct 3 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 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 3 ms 12380 KB Output is correct
18 Correct 2 ms 12380 KB Output is correct
19 Correct 2 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 12596 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 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 3 ms 12380 KB Output is correct
2 Correct 2 ms 12380 KB Output is correct
3 Correct 2 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 2 ms 12380 KB Output is correct
7 Correct 2 ms 12380 KB Output is correct
8 Correct 2 ms 12380 KB Output is correct
9 Correct 2 ms 12380 KB Output is correct
10 Correct 3 ms 12380 KB Output is correct
11 Correct 3 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 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 3 ms 12380 KB Output is correct
18 Correct 2 ms 12380 KB Output is correct
19 Correct 2 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 12596 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 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 3 ms 12632 KB Output is correct
32 Correct 3 ms 12636 KB Output is correct
33 Correct 3 ms 12888 KB Output is correct
34 Correct 3 ms 12636 KB Output is correct
35 Correct 3 ms 12636 KB Output is correct
36 Correct 3 ms 12636 KB Output is correct
37 Correct 4 ms 12684 KB Output is correct
38 Correct 3 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 12888 KB Output is correct
42 Correct 3 ms 12636 KB Output is correct
43 Correct 4 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 12896 KB Output is correct
47 Correct 3 ms 12644 KB Output is correct
48 Correct 3 ms 12644 KB Output is correct
49 Correct 3 ms 12644 KB Output is correct
50 Correct 4 ms 12636 KB Output is correct
51 Correct 3 ms 12640 KB Output is correct
52 Correct 3 ms 12640 KB Output is correct
53 Correct 4 ms 12644 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 3 ms 12380 KB Output is correct
2 Correct 2 ms 12380 KB Output is correct
3 Correct 123 ms 15048 KB Output is correct
4 Correct 188 ms 17868 KB Output is correct
5 Correct 121 ms 17352 KB Output is correct
6 Correct 122 ms 15052 KB Output is correct
7 Correct 140 ms 15012 KB Output is correct
8 Correct 135 ms 14604 KB Output is correct
9 Correct 148 ms 15200 KB Output is correct
10 Correct 197 ms 18632 KB Output is correct
11 Correct 161 ms 15048 KB Output is correct
12 Correct 179 ms 18380 KB Output is correct
13 Correct 135 ms 13812 KB Output is correct
14 Correct 133 ms 14288 KB Output is correct
15 Correct 190 ms 17300 KB Output is correct
16 Correct 192 ms 17868 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 2 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 2 ms 12380 KB Output is correct
7 Correct 2 ms 12380 KB Output is correct
8 Correct 2 ms 12380 KB Output is correct
9 Correct 2 ms 12380 KB Output is correct
10 Correct 3 ms 12380 KB Output is correct
11 Correct 3 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 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 3 ms 12380 KB Output is correct
18 Correct 2 ms 12380 KB Output is correct
19 Correct 2 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 12596 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 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 123 ms 15048 KB Output is correct
30 Correct 188 ms 17868 KB Output is correct
31 Correct 121 ms 17352 KB Output is correct
32 Correct 122 ms 15052 KB Output is correct
33 Correct 140 ms 15012 KB Output is correct
34 Correct 135 ms 14604 KB Output is correct
35 Correct 148 ms 15200 KB Output is correct
36 Correct 197 ms 18632 KB Output is correct
37 Correct 161 ms 15048 KB Output is correct
38 Correct 179 ms 18380 KB Output is correct
39 Correct 135 ms 13812 KB Output is correct
40 Correct 133 ms 14288 KB Output is correct
41 Correct 190 ms 17300 KB Output is correct
42 Correct 192 ms 17868 KB Output is correct
43 Correct 126 ms 15052 KB Output is correct
44 Correct 181 ms 18572 KB Output is correct
45 Correct 1354 ms 18120 KB Output is correct
46 Correct 118 ms 15052 KB Output is correct
47 Correct 133 ms 15048 KB Output is correct
48 Correct 169 ms 15264 KB Output is correct
49 Correct 196 ms 18632 KB Output is correct
50 Correct 150 ms 14548 KB Output is correct
51 Correct 161 ms 17876 KB Output is correct
52 Correct 181 ms 17864 KB Output is correct
53 Correct 142 ms 14036 KB Output is correct
54 Correct 163 ms 14612 KB Output is correct
55 Correct 179 ms 16804 KB Output is correct
56 Correct 212 ms 17612 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 2 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 2 ms 12380 KB Output is correct
7 Correct 2 ms 12380 KB Output is correct
8 Correct 2 ms 12380 KB Output is correct
9 Correct 2 ms 12380 KB Output is correct
10 Correct 3 ms 12380 KB Output is correct
11 Correct 3 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 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 3 ms 12380 KB Output is correct
18 Correct 2 ms 12380 KB Output is correct
19 Correct 2 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 12596 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 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 3 ms 12632 KB Output is correct
32 Correct 3 ms 12636 KB Output is correct
33 Correct 3 ms 12888 KB Output is correct
34 Correct 3 ms 12636 KB Output is correct
35 Correct 3 ms 12636 KB Output is correct
36 Correct 3 ms 12636 KB Output is correct
37 Correct 4 ms 12684 KB Output is correct
38 Correct 3 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 12888 KB Output is correct
42 Correct 3 ms 12636 KB Output is correct
43 Correct 4 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 12896 KB Output is correct
47 Correct 3 ms 12644 KB Output is correct
48 Correct 3 ms 12644 KB Output is correct
49 Correct 3 ms 12644 KB Output is correct
50 Correct 4 ms 12636 KB Output is correct
51 Correct 3 ms 12640 KB Output is correct
52 Correct 3 ms 12640 KB Output is correct
53 Correct 4 ms 12644 KB Output is correct
54 Correct 3 ms 12636 KB Output is correct
55 Correct 100 ms 14540 KB Output is correct
56 Correct 141 ms 18376 KB Output is correct
57 Correct 91 ms 17608 KB Output is correct
58 Correct 99 ms 14560 KB Output is correct
59 Correct 131 ms 14544 KB Output is correct
60 Correct 180 ms 17368 KB Output is correct
61 Correct 145 ms 14756 KB Output is correct
62 Correct 143 ms 17176 KB Output is correct
63 Correct 108 ms 13740 KB Output is correct
64 Correct 144 ms 14756 KB Output is correct
65 Correct 176 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 2 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 2 ms 12380 KB Output is correct
7 Correct 2 ms 12380 KB Output is correct
8 Correct 2 ms 12380 KB Output is correct
9 Correct 2 ms 12380 KB Output is correct
10 Correct 3 ms 12380 KB Output is correct
11 Correct 3 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 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 3 ms 12380 KB Output is correct
18 Correct 2 ms 12380 KB Output is correct
19 Correct 2 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 12596 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 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 3 ms 12632 KB Output is correct
32 Correct 3 ms 12636 KB Output is correct
33 Correct 3 ms 12888 KB Output is correct
34 Correct 3 ms 12636 KB Output is correct
35 Correct 3 ms 12636 KB Output is correct
36 Correct 3 ms 12636 KB Output is correct
37 Correct 4 ms 12684 KB Output is correct
38 Correct 3 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 12888 KB Output is correct
42 Correct 3 ms 12636 KB Output is correct
43 Correct 4 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 12896 KB Output is correct
47 Correct 3 ms 12644 KB Output is correct
48 Correct 3 ms 12644 KB Output is correct
49 Correct 3 ms 12644 KB Output is correct
50 Correct 4 ms 12636 KB Output is correct
51 Correct 3 ms 12640 KB Output is correct
52 Correct 3 ms 12640 KB Output is correct
53 Correct 4 ms 12644 KB Output is correct
54 Correct 3 ms 12636 KB Output is correct
55 Correct 123 ms 15048 KB Output is correct
56 Correct 188 ms 17868 KB Output is correct
57 Correct 121 ms 17352 KB Output is correct
58 Correct 122 ms 15052 KB Output is correct
59 Correct 140 ms 15012 KB Output is correct
60 Correct 135 ms 14604 KB Output is correct
61 Correct 148 ms 15200 KB Output is correct
62 Correct 197 ms 18632 KB Output is correct
63 Correct 161 ms 15048 KB Output is correct
64 Correct 179 ms 18380 KB Output is correct
65 Correct 135 ms 13812 KB Output is correct
66 Correct 133 ms 14288 KB Output is correct
67 Correct 190 ms 17300 KB Output is correct
68 Correct 192 ms 17868 KB Output is correct
69 Correct 126 ms 15052 KB Output is correct
70 Correct 181 ms 18572 KB Output is correct
71 Correct 1354 ms 18120 KB Output is correct
72 Correct 118 ms 15052 KB Output is correct
73 Correct 133 ms 15048 KB Output is correct
74 Correct 169 ms 15264 KB Output is correct
75 Correct 196 ms 18632 KB Output is correct
76 Correct 150 ms 14548 KB Output is correct
77 Correct 161 ms 17876 KB Output is correct
78 Correct 181 ms 17864 KB Output is correct
79 Correct 142 ms 14036 KB Output is correct
80 Correct 163 ms 14612 KB Output is correct
81 Correct 179 ms 16804 KB Output is correct
82 Correct 212 ms 17612 KB Output is correct
83 Correct 100 ms 14540 KB Output is correct
84 Correct 141 ms 18376 KB Output is correct
85 Correct 91 ms 17608 KB Output is correct
86 Correct 99 ms 14560 KB Output is correct
87 Correct 131 ms 14544 KB Output is correct
88 Correct 180 ms 17368 KB Output is correct
89 Correct 145 ms 14756 KB Output is correct
90 Correct 143 ms 17176 KB Output is correct
91 Correct 108 ms 13740 KB Output is correct
92 Correct 144 ms 14756 KB Output is correct
93 Correct 176 ms 18124 KB Output is correct
94 Correct 136 ms 15052 KB Output is correct
95 Execution timed out 2044 ms 18340 KB Time limit exceeded
96 Halted 0 ms 0 KB -