oj.uz

Submission #926211

# Submission time Handle Problem Language Result Execution time Memory
926211 2024-02-12T17:22:03 Z vjudge1 Joker (BOI20_joker) C++17
71 / 100
 2000 ms 19480 KB 
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
//#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 = 4e5 + 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) % 2};
}

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) % 2;  	
	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 tl, 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, ps[m], tr);
	rb();
	pt[sz(h)]++;
	for (int i = tr; i > ps[m]; i--)
		add(i);
	f(l, m - 1, tl, 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] = g[i + m] = {u, v};
	}
	for (int i = 1; i <= n; i++) 
		p[i] = i, sz[i] = 1;
	f(1, m, 1, 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 2 ms 9564 KB Output is correct
2 Correct 2 ms 9564 KB Output is correct
3 Correct 2 ms 9716 KB Output is correct
4 Correct 3 ms 9564 KB Output is correct
5 Correct 2 ms 9564 KB Output is correct
6 Correct 2 ms 9564 KB Output is correct
7 Correct 2 ms 9564 KB Output is correct
8 Correct 3 ms 9656 KB Output is correct
9 Correct 2 ms 9564 KB Output is correct
10 Correct 2 ms 9564 KB Output is correct
11 Correct 2 ms 9564 KB Output is correct
12 Correct 2 ms 9564 KB Output is correct
13 Correct 2 ms 9728 KB Output is correct
14 Correct 2 ms 9760 KB Output is correct
15 Correct 2 ms 9768 KB Output is correct
16 Correct 2 ms 9564 KB Output is correct
17 Correct 2 ms 9564 KB Output is correct
18 Correct 2 ms 9564 KB Output is correct
19 Correct 2 ms 9564 KB Output is correct
20 Correct 2 ms 9564 KB Output is correct
21 Correct 3 ms 9764 KB Output is correct
22 Correct 3 ms 9564 KB Output is correct
23 Correct 2 ms 9772 KB Output is correct
24 Correct 2 ms 9564 KB Output is correct
25 Correct 3 ms 9564 KB Output is correct
26 Correct 2 ms 9564 KB Output is correct
27 Correct 2 ms 9564 KB Output is correct
28 Correct 2 ms 9564 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 9564 KB Output is correct
2 Correct 2 ms 9564 KB Output is correct
3 Correct 2 ms 9716 KB Output is correct
4 Correct 3 ms 9564 KB Output is correct
5 Correct 2 ms 9564 KB Output is correct
6 Correct 2 ms 9564 KB Output is correct
7 Correct 2 ms 9564 KB Output is correct
8 Correct 3 ms 9656 KB Output is correct
9 Correct 2 ms 9564 KB Output is correct
10 Correct 2 ms 9564 KB Output is correct
11 Correct 2 ms 9564 KB Output is correct
12 Correct 2 ms 9564 KB Output is correct
13 Correct 2 ms 9728 KB Output is correct
14 Correct 2 ms 9760 KB Output is correct
15 Correct 2 ms 9768 KB Output is correct
16 Correct 2 ms 9564 KB Output is correct
17 Correct 2 ms 9564 KB Output is correct
18 Correct 2 ms 9564 KB Output is correct
19 Correct 2 ms 9564 KB Output is correct
20 Correct 2 ms 9564 KB Output is correct
21 Correct 3 ms 9764 KB Output is correct
22 Correct 3 ms 9564 KB Output is correct
23 Correct 2 ms 9772 KB Output is correct
24 Correct 2 ms 9564 KB Output is correct
25 Correct 3 ms 9564 KB Output is correct
26 Correct 2 ms 9564 KB Output is correct
27 Correct 2 ms 9564 KB Output is correct
28 Correct 2 ms 9564 KB Output is correct
29 Correct 3 ms 9820 KB Output is correct
30 Correct 3 ms 9820 KB Output is correct
31 Correct 3 ms 9820 KB Output is correct
32 Correct 3 ms 9820 KB Output is correct
33 Correct 3 ms 9820 KB Output is correct
34 Correct 3 ms 9820 KB Output is correct
35 Correct 3 ms 9816 KB Output is correct
36 Correct 4 ms 9772 KB Output is correct
37 Correct 5 ms 9820 KB Output is correct
38 Correct 3 ms 9820 KB Output is correct
39 Correct 4 ms 9820 KB Output is correct
40 Correct 3 ms 9820 KB Output is correct
41 Correct 3 ms 9804 KB Output is correct
42 Correct 4 ms 9820 KB Output is correct
43 Correct 3 ms 9820 KB Output is correct
44 Correct 3 ms 9820 KB Output is correct
45 Correct 3 ms 9820 KB Output is correct
46 Correct 3 ms 9820 KB Output is correct
47 Correct 3 ms 9820 KB Output is correct
48 Correct 3 ms 9772 KB Output is correct
49 Correct 3 ms 9820 KB Output is correct
50 Correct 3 ms 9820 KB Output is correct
51 Correct 4 ms 9820 KB Output is correct
52 Correct 3 ms 9856 KB Output is correct
53 Correct 3 ms 9820 KB Output is correct
54 Correct 3 ms 9820 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 9564 KB Output is correct
2 Correct 2 ms 9564 KB Output is correct
3 Correct 121 ms 12404 KB Output is correct
4 Correct 217 ms 16260 KB Output is correct
5 Correct 121 ms 16328 KB Output is correct
6 Correct 122 ms 12416 KB Output is correct
7 Correct 160 ms 12548 KB Output is correct
8 Correct 132 ms 11728 KB Output is correct
9 Correct 151 ms 12688 KB Output is correct
10 Correct 238 ms 16260 KB Output is correct
11 Correct 187 ms 12488 KB Output is correct
12 Correct 169 ms 15304 KB Output is correct
13 Correct 138 ms 11112 KB Output is correct
14 Correct 134 ms 11756 KB Output is correct
15 Correct 184 ms 15820 KB Output is correct
16 Correct 201 ms 15308 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 9564 KB Output is correct
2 Correct 2 ms 9564 KB Output is correct
3 Correct 2 ms 9716 KB Output is correct
4 Correct 3 ms 9564 KB Output is correct
5 Correct 2 ms 9564 KB Output is correct
6 Correct 2 ms 9564 KB Output is correct
7 Correct 2 ms 9564 KB Output is correct
8 Correct 3 ms 9656 KB Output is correct
9 Correct 2 ms 9564 KB Output is correct
10 Correct 2 ms 9564 KB Output is correct
11 Correct 2 ms 9564 KB Output is correct
12 Correct 2 ms 9564 KB Output is correct
13 Correct 2 ms 9728 KB Output is correct
14 Correct 2 ms 9760 KB Output is correct
15 Correct 2 ms 9768 KB Output is correct
16 Correct 2 ms 9564 KB Output is correct
17 Correct 2 ms 9564 KB Output is correct
18 Correct 2 ms 9564 KB Output is correct
19 Correct 2 ms 9564 KB Output is correct
20 Correct 2 ms 9564 KB Output is correct
21 Correct 3 ms 9764 KB Output is correct
22 Correct 3 ms 9564 KB Output is correct
23 Correct 2 ms 9772 KB Output is correct
24 Correct 2 ms 9564 KB Output is correct
25 Correct 3 ms 9564 KB Output is correct
26 Correct 2 ms 9564 KB Output is correct
27 Correct 2 ms 9564 KB Output is correct
28 Correct 2 ms 9564 KB Output is correct
29 Correct 121 ms 12404 KB Output is correct
30 Correct 217 ms 16260 KB Output is correct
31 Correct 121 ms 16328 KB Output is correct
32 Correct 122 ms 12416 KB Output is correct
33 Correct 160 ms 12548 KB Output is correct
34 Correct 132 ms 11728 KB Output is correct
35 Correct 151 ms 12688 KB Output is correct
36 Correct 238 ms 16260 KB Output is correct
37 Correct 187 ms 12488 KB Output is correct
38 Correct 169 ms 15304 KB Output is correct
39 Correct 138 ms 11112 KB Output is correct
40 Correct 134 ms 11756 KB Output is correct
41 Correct 184 ms 15820 KB Output is correct
42 Correct 201 ms 15308 KB Output is correct
43 Correct 124 ms 16872 KB Output is correct
44 Correct 184 ms 18368 KB Output is correct
45 Correct 1489 ms 19024 KB Output is correct
46 Correct 121 ms 16728 KB Output is correct
47 Correct 140 ms 16904 KB Output is correct
48 Correct 161 ms 16396 KB Output is correct
49 Correct 194 ms 18044 KB Output is correct
50 Correct 161 ms 16584 KB Output is correct
51 Correct 176 ms 18720 KB Output is correct
52 Correct 167 ms 19480 KB Output is correct
53 Correct 146 ms 15052 KB Output is correct
54 Correct 153 ms 16272 KB Output is correct
55 Correct 179 ms 17856 KB Output is correct
56 Correct 196 ms 18884 KB Output is correct

Subtask #5
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 9564 KB Output is correct
2 Correct 2 ms 9564 KB Output is correct
3 Correct 2 ms 9716 KB Output is correct
4 Correct 3 ms 9564 KB Output is correct
5 Correct 2 ms 9564 KB Output is correct
6 Correct 2 ms 9564 KB Output is correct
7 Correct 2 ms 9564 KB Output is correct
8 Correct 3 ms 9656 KB Output is correct
9 Correct 2 ms 9564 KB Output is correct
10 Correct 2 ms 9564 KB Output is correct
11 Correct 2 ms 9564 KB Output is correct
12 Correct 2 ms 9564 KB Output is correct
13 Correct 2 ms 9728 KB Output is correct
14 Correct 2 ms 9760 KB Output is correct
15 Correct 2 ms 9768 KB Output is correct
16 Correct 2 ms 9564 KB Output is correct
17 Correct 2 ms 9564 KB Output is correct
18 Correct 2 ms 9564 KB Output is correct
19 Correct 2 ms 9564 KB Output is correct
20 Correct 2 ms 9564 KB Output is correct
21 Correct 3 ms 9764 KB Output is correct
22 Correct 3 ms 9564 KB Output is correct
23 Correct 2 ms 9772 KB Output is correct
24 Correct 2 ms 9564 KB Output is correct
25 Correct 3 ms 9564 KB Output is correct
26 Correct 2 ms 9564 KB Output is correct
27 Correct 2 ms 9564 KB Output is correct
28 Correct 2 ms 9564 KB Output is correct
29 Correct 3 ms 9820 KB Output is correct
30 Correct 3 ms 9820 KB Output is correct
31 Correct 3 ms 9820 KB Output is correct
32 Correct 3 ms 9820 KB Output is correct
33 Correct 3 ms 9820 KB Output is correct
34 Correct 3 ms 9820 KB Output is correct
35 Correct 3 ms 9816 KB Output is correct
36 Correct 4 ms 9772 KB Output is correct
37 Correct 5 ms 9820 KB Output is correct
38 Correct 3 ms 9820 KB Output is correct
39 Correct 4 ms 9820 KB Output is correct
40 Correct 3 ms 9820 KB Output is correct
41 Correct 3 ms 9804 KB Output is correct
42 Correct 4 ms 9820 KB Output is correct
43 Correct 3 ms 9820 KB Output is correct
44 Correct 3 ms 9820 KB Output is correct
45 Correct 3 ms 9820 KB Output is correct
46 Correct 3 ms 9820 KB Output is correct
47 Correct 3 ms 9820 KB Output is correct
48 Correct 3 ms 9772 KB Output is correct
49 Correct 3 ms 9820 KB Output is correct
50 Correct 3 ms 9820 KB Output is correct
51 Correct 4 ms 9820 KB Output is correct
52 Correct 3 ms 9856 KB Output is correct
53 Correct 3 ms 9820 KB Output is correct
54 Correct 3 ms 9820 KB Output is correct
55 Correct 97 ms 14544 KB Output is correct
56 Correct 138 ms 18436 KB Output is correct
57 Correct 90 ms 17412 KB Output is correct
58 Correct 96 ms 14340 KB Output is correct
59 Correct 129 ms 14544 KB Output is correct
60 Correct 174 ms 17268 KB Output is correct
61 Correct 137 ms 14540 KB Output is correct
62 Correct 135 ms 17096 KB Output is correct
63 Correct 109 ms 13008 KB Output is correct
64 Correct 140 ms 14496 KB Output is correct
65 Correct 164 ms 17352 KB Output is correct

Subtask #6
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 9564 KB Output is correct
2 Correct 2 ms 9564 KB Output is correct
3 Correct 2 ms 9716 KB Output is correct
4 Correct 3 ms 9564 KB Output is correct
5 Correct 2 ms 9564 KB Output is correct
6 Correct 2 ms 9564 KB Output is correct
7 Correct 2 ms 9564 KB Output is correct
8 Correct 3 ms 9656 KB Output is correct
9 Correct 2 ms 9564 KB Output is correct
10 Correct 2 ms 9564 KB Output is correct
11 Correct 2 ms 9564 KB Output is correct
12 Correct 2 ms 9564 KB Output is correct
13 Correct 2 ms 9728 KB Output is correct
14 Correct 2 ms 9760 KB Output is correct
15 Correct 2 ms 9768 KB Output is correct
16 Correct 2 ms 9564 KB Output is correct
17 Correct 2 ms 9564 KB Output is correct
18 Correct 2 ms 9564 KB Output is correct
19 Correct 2 ms 9564 KB Output is correct
20 Correct 2 ms 9564 KB Output is correct
21 Correct 3 ms 9764 KB Output is correct
22 Correct 3 ms 9564 KB Output is correct
23 Correct 2 ms 9772 KB Output is correct
24 Correct 2 ms 9564 KB Output is correct
25 Correct 3 ms 9564 KB Output is correct
26 Correct 2 ms 9564 KB Output is correct
27 Correct 2 ms 9564 KB Output is correct
28 Correct 2 ms 9564 KB Output is correct
29 Correct 3 ms 9820 KB Output is correct
30 Correct 3 ms 9820 KB Output is correct
31 Correct 3 ms 9820 KB Output is correct
32 Correct 3 ms 9820 KB Output is correct
33 Correct 3 ms 9820 KB Output is correct
34 Correct 3 ms 9820 KB Output is correct
35 Correct 3 ms 9816 KB Output is correct
36 Correct 4 ms 9772 KB Output is correct
37 Correct 5 ms 9820 KB Output is correct
38 Correct 3 ms 9820 KB Output is correct
39 Correct 4 ms 9820 KB Output is correct
40 Correct 3 ms 9820 KB Output is correct
41 Correct 3 ms 9804 KB Output is correct
42 Correct 4 ms 9820 KB Output is correct
43 Correct 3 ms 9820 KB Output is correct
44 Correct 3 ms 9820 KB Output is correct
45 Correct 3 ms 9820 KB Output is correct
46 Correct 3 ms 9820 KB Output is correct
47 Correct 3 ms 9820 KB Output is correct
48 Correct 3 ms 9772 KB Output is correct
49 Correct 3 ms 9820 KB Output is correct
50 Correct 3 ms 9820 KB Output is correct
51 Correct 4 ms 9820 KB Output is correct
52 Correct 3 ms 9856 KB Output is correct
53 Correct 3 ms 9820 KB Output is correct
54 Correct 3 ms 9820 KB Output is correct
55 Correct 121 ms 12404 KB Output is correct
56 Correct 217 ms 16260 KB Output is correct
57 Correct 121 ms 16328 KB Output is correct
58 Correct 122 ms 12416 KB Output is correct
59 Correct 160 ms 12548 KB Output is correct
60 Correct 132 ms 11728 KB Output is correct
61 Correct 151 ms 12688 KB Output is correct
62 Correct 238 ms 16260 KB Output is correct
63 Correct 187 ms 12488 KB Output is correct
64 Correct 169 ms 15304 KB Output is correct
65 Correct 138 ms 11112 KB Output is correct
66 Correct 134 ms 11756 KB Output is correct
67 Correct 184 ms 15820 KB Output is correct
68 Correct 201 ms 15308 KB Output is correct
69 Correct 124 ms 16872 KB Output is correct
70 Correct 184 ms 18368 KB Output is correct
71 Correct 1489 ms 19024 KB Output is correct
72 Correct 121 ms 16728 KB Output is correct
73 Correct 140 ms 16904 KB Output is correct
74 Correct 161 ms 16396 KB Output is correct
75 Correct 194 ms 18044 KB Output is correct
76 Correct 161 ms 16584 KB Output is correct
77 Correct 176 ms 18720 KB Output is correct
78 Correct 167 ms 19480 KB Output is correct
79 Correct 146 ms 15052 KB Output is correct
80 Correct 153 ms 16272 KB Output is correct
81 Correct 179 ms 17856 KB Output is correct
82 Correct 196 ms 18884 KB Output is correct
83 Correct 97 ms 14544 KB Output is correct
84 Correct 138 ms 18436 KB Output is correct
85 Correct 90 ms 17412 KB Output is correct
86 Correct 96 ms 14340 KB Output is correct
87 Correct 129 ms 14544 KB Output is correct
88 Correct 174 ms 17268 KB Output is correct
89 Correct 137 ms 14540 KB Output is correct
90 Correct 135 ms 17096 KB Output is correct
91 Correct 109 ms 13008 KB Output is correct
92 Correct 140 ms 14496 KB Output is correct
93 Correct 164 ms 17352 KB Output is correct
94 Correct 129 ms 17396 KB Output is correct
95 Execution timed out 2017 ms 18128 KB Time limit exceeded
96 Halted 0 ms 0 KB -