oj.uz

Submission #926229

# Submission time Handle Problem Language Result Execution time Memory
926229 2024-02-12T17:37:36 Z mansur Joker (BOI20_joker) C++17
71 / 100
 2000 ms 22044 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<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 12376 KB Output is correct
2 Correct 3 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 2 ms 12376 KB Output is correct
7 Correct 2 ms 12376 KB Output is correct
8 Correct 3 ms 12380 KB Output is correct
9 Correct 3 ms 12604 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 12376 KB Output is correct
13 Correct 2 ms 12380 KB Output is correct
14 Correct 3 ms 12380 KB Output is correct
15 Correct 4 ms 12608 KB Output is correct
16 Correct 2 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 3 ms 12376 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 3 ms 12516 KB Output is correct
24 Correct 2 ms 12380 KB Output is correct
25 Correct 3 ms 12376 KB Output is correct
26 Correct 2 ms 12380 KB Output is correct
27 Correct 2 ms 12436 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 12376 KB Output is correct
2 Correct 3 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 2 ms 12376 KB Output is correct
7 Correct 2 ms 12376 KB Output is correct
8 Correct 3 ms 12380 KB Output is correct
9 Correct 3 ms 12604 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 12376 KB Output is correct
13 Correct 2 ms 12380 KB Output is correct
14 Correct 3 ms 12380 KB Output is correct
15 Correct 4 ms 12608 KB Output is correct
16 Correct 2 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 3 ms 12376 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 3 ms 12516 KB Output is correct
24 Correct 2 ms 12380 KB Output is correct
25 Correct 3 ms 12376 KB Output is correct
26 Correct 2 ms 12380 KB Output is correct
27 Correct 2 ms 12436 KB Output is correct
28 Correct 2 ms 12380 KB Output is correct
29 Correct 3 ms 12636 KB Output is correct
30 Correct 4 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 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 12632 KB Output is correct
37 Correct 4 ms 12544 KB Output is correct
38 Correct 4 ms 12636 KB Output is correct
39 Correct 3 ms 12632 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 12652 KB Output is correct
43 Correct 3 ms 12640 KB Output is correct
44 Correct 3 ms 12636 KB Output is correct
45 Correct 4 ms 12888 KB Output is correct
46 Correct 3 ms 12648 KB Output is correct
47 Correct 3 ms 12636 KB Output is correct
48 Correct 4 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 12632 KB Output is correct
52 Correct 3 ms 12632 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 3 ms 12376 KB Output is correct
2 Correct 3 ms 12380 KB Output is correct
3 Correct 117 ms 15092 KB Output is correct
4 Correct 171 ms 17868 KB Output is correct
5 Correct 126 ms 18600 KB Output is correct
6 Correct 117 ms 14936 KB Output is correct
7 Correct 128 ms 14928 KB Output is correct
8 Correct 126 ms 14816 KB Output is correct
9 Correct 141 ms 15028 KB Output is correct
10 Correct 184 ms 17516 KB Output is correct
11 Correct 175 ms 14992 KB Output is correct
12 Correct 152 ms 18128 KB Output is correct
13 Correct 131 ms 13780 KB Output is correct
14 Correct 127 ms 14284 KB Output is correct
15 Correct 174 ms 17864 KB Output is correct
16 Correct 180 ms 18632 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 3 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 2 ms 12376 KB Output is correct
7 Correct 2 ms 12376 KB Output is correct
8 Correct 3 ms 12380 KB Output is correct
9 Correct 3 ms 12604 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 12376 KB Output is correct
13 Correct 2 ms 12380 KB Output is correct
14 Correct 3 ms 12380 KB Output is correct
15 Correct 4 ms 12608 KB Output is correct
16 Correct 2 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 3 ms 12376 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 3 ms 12516 KB Output is correct
24 Correct 2 ms 12380 KB Output is correct
25 Correct 3 ms 12376 KB Output is correct
26 Correct 2 ms 12380 KB Output is correct
27 Correct 2 ms 12436 KB Output is correct
28 Correct 2 ms 12380 KB Output is correct
29 Correct 117 ms 15092 KB Output is correct
30 Correct 171 ms 17868 KB Output is correct
31 Correct 126 ms 18600 KB Output is correct
32 Correct 117 ms 14936 KB Output is correct
33 Correct 128 ms 14928 KB Output is correct
34 Correct 126 ms 14816 KB Output is correct
35 Correct 141 ms 15028 KB Output is correct
36 Correct 184 ms 17516 KB Output is correct
37 Correct 175 ms 14992 KB Output is correct
38 Correct 152 ms 18128 KB Output is correct
39 Correct 131 ms 13780 KB Output is correct
40 Correct 127 ms 14284 KB Output is correct
41 Correct 174 ms 17864 KB Output is correct
42 Correct 180 ms 18632 KB Output is correct
43 Correct 123 ms 19404 KB Output is correct
44 Correct 182 ms 20540 KB Output is correct
45 Correct 1303 ms 22044 KB Output is correct
46 Correct 119 ms 19416 KB Output is correct
47 Correct 129 ms 19240 KB Output is correct
48 Correct 150 ms 18884 KB Output is correct
49 Correct 186 ms 21252 KB Output is correct
50 Correct 155 ms 18952 KB Output is correct
51 Correct 152 ms 21120 KB Output is correct
52 Correct 161 ms 20664 KB Output is correct
53 Correct 136 ms 17900 KB Output is correct
54 Correct 152 ms 18888 KB Output is correct
55 Correct 168 ms 20928 KB Output is correct
56 Correct 190 ms 21936 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 3 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 2 ms 12376 KB Output is correct
7 Correct 2 ms 12376 KB Output is correct
8 Correct 3 ms 12380 KB Output is correct
9 Correct 3 ms 12604 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 12376 KB Output is correct
13 Correct 2 ms 12380 KB Output is correct
14 Correct 3 ms 12380 KB Output is correct
15 Correct 4 ms 12608 KB Output is correct
16 Correct 2 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 3 ms 12376 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 3 ms 12516 KB Output is correct
24 Correct 2 ms 12380 KB Output is correct
25 Correct 3 ms 12376 KB Output is correct
26 Correct 2 ms 12380 KB Output is correct
27 Correct 2 ms 12436 KB Output is correct
28 Correct 2 ms 12380 KB Output is correct
29 Correct 3 ms 12636 KB Output is correct
30 Correct 4 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 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 12632 KB Output is correct
37 Correct 4 ms 12544 KB Output is correct
38 Correct 4 ms 12636 KB Output is correct
39 Correct 3 ms 12632 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 12652 KB Output is correct
43 Correct 3 ms 12640 KB Output is correct
44 Correct 3 ms 12636 KB Output is correct
45 Correct 4 ms 12888 KB Output is correct
46 Correct 3 ms 12648 KB Output is correct
47 Correct 3 ms 12636 KB Output is correct
48 Correct 4 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 12632 KB Output is correct
52 Correct 3 ms 12632 KB Output is correct
53 Correct 4 ms 12636 KB Output is correct
54 Correct 3 ms 12636 KB Output is correct
55 Correct 92 ms 14540 KB Output is correct
56 Correct 129 ms 17096 KB Output is correct
57 Correct 91 ms 18900 KB Output is correct
58 Correct 92 ms 17040 KB Output is correct
59 Correct 124 ms 16916 KB Output is correct
60 Correct 157 ms 21196 KB Output is correct
61 Correct 140 ms 17104 KB Output is correct
62 Correct 133 ms 19824 KB Output is correct
63 Correct 102 ms 15824 KB Output is correct
64 Correct 143 ms 17104 KB Output is correct
65 Correct 166 ms 20436 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 3 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 2 ms 12376 KB Output is correct
7 Correct 2 ms 12376 KB Output is correct
8 Correct 3 ms 12380 KB Output is correct
9 Correct 3 ms 12604 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 12376 KB Output is correct
13 Correct 2 ms 12380 KB Output is correct
14 Correct 3 ms 12380 KB Output is correct
15 Correct 4 ms 12608 KB Output is correct
16 Correct 2 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 3 ms 12376 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 3 ms 12516 KB Output is correct
24 Correct 2 ms 12380 KB Output is correct
25 Correct 3 ms 12376 KB Output is correct
26 Correct 2 ms 12380 KB Output is correct
27 Correct 2 ms 12436 KB Output is correct
28 Correct 2 ms 12380 KB Output is correct
29 Correct 3 ms 12636 KB Output is correct
30 Correct 4 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 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 12632 KB Output is correct
37 Correct 4 ms 12544 KB Output is correct
38 Correct 4 ms 12636 KB Output is correct
39 Correct 3 ms 12632 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 12652 KB Output is correct
43 Correct 3 ms 12640 KB Output is correct
44 Correct 3 ms 12636 KB Output is correct
45 Correct 4 ms 12888 KB Output is correct
46 Correct 3 ms 12648 KB Output is correct
47 Correct 3 ms 12636 KB Output is correct
48 Correct 4 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 12632 KB Output is correct
52 Correct 3 ms 12632 KB Output is correct
53 Correct 4 ms 12636 KB Output is correct
54 Correct 3 ms 12636 KB Output is correct
55 Correct 117 ms 15092 KB Output is correct
56 Correct 171 ms 17868 KB Output is correct
57 Correct 126 ms 18600 KB Output is correct
58 Correct 117 ms 14936 KB Output is correct
59 Correct 128 ms 14928 KB Output is correct
60 Correct 126 ms 14816 KB Output is correct
61 Correct 141 ms 15028 KB Output is correct
62 Correct 184 ms 17516 KB Output is correct
63 Correct 175 ms 14992 KB Output is correct
64 Correct 152 ms 18128 KB Output is correct
65 Correct 131 ms 13780 KB Output is correct
66 Correct 127 ms 14284 KB Output is correct
67 Correct 174 ms 17864 KB Output is correct
68 Correct 180 ms 18632 KB Output is correct
69 Correct 123 ms 19404 KB Output is correct
70 Correct 182 ms 20540 KB Output is correct
71 Correct 1303 ms 22044 KB Output is correct
72 Correct 119 ms 19416 KB Output is correct
73 Correct 129 ms 19240 KB Output is correct
74 Correct 150 ms 18884 KB Output is correct
75 Correct 186 ms 21252 KB Output is correct
76 Correct 155 ms 18952 KB Output is correct
77 Correct 152 ms 21120 KB Output is correct
78 Correct 161 ms 20664 KB Output is correct
79 Correct 136 ms 17900 KB Output is correct
80 Correct 152 ms 18888 KB Output is correct
81 Correct 168 ms 20928 KB Output is correct
82 Correct 190 ms 21936 KB Output is correct
83 Correct 92 ms 14540 KB Output is correct
84 Correct 129 ms 17096 KB Output is correct
85 Correct 91 ms 18900 KB Output is correct
86 Correct 92 ms 17040 KB Output is correct
87 Correct 124 ms 16916 KB Output is correct
88 Correct 157 ms 21196 KB Output is correct
89 Correct 140 ms 17104 KB Output is correct
90 Correct 133 ms 19824 KB Output is correct
91 Correct 102 ms 15824 KB Output is correct
92 Correct 143 ms 17104 KB Output is correct
93 Correct 166 ms 20436 KB Output is correct
94 Correct 145 ms 19916 KB Output is correct
95 Execution timed out 2017 ms 20436 KB Time limit exceeded
96 Halted 0 ms 0 KB -