oj.uz

Submission #926221

# Submission time Handle Problem Language Result Execution time Memory
926221 2024-02-12T17:32:55 Z mansur Joker (BOI20_joker) C++17
71 / 100
 2000 ms 16336 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 = 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 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 2 ms 9564 KB Output is correct
2 Correct 2 ms 9564 KB Output is correct
3 Correct 2 ms 9560 KB Output is correct
4 Correct 2 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 2 ms 9564 KB Output is correct
9 Correct 3 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 9564 KB Output is correct
14 Correct 2 ms 9564 KB Output is correct
15 Correct 2 ms 9564 KB Output is correct
16 Correct 2 ms 9560 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 2 ms 9564 KB Output is correct
22 Correct 2 ms 9564 KB Output is correct
23 Correct 2 ms 9564 KB Output is correct
24 Correct 2 ms 9560 KB Output is correct
25 Correct 2 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 9560 KB Output is correct
4 Correct 2 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 2 ms 9564 KB Output is correct
9 Correct 3 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 9564 KB Output is correct
14 Correct 2 ms 9564 KB Output is correct
15 Correct 2 ms 9564 KB Output is correct
16 Correct 2 ms 9560 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 2 ms 9564 KB Output is correct
22 Correct 2 ms 9564 KB Output is correct
23 Correct 2 ms 9564 KB Output is correct
24 Correct 2 ms 9560 KB Output is correct
25 Correct 2 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 2 ms 9564 KB Output is correct
30 Correct 3 ms 9836 KB Output is correct
31 Correct 3 ms 9816 KB Output is correct
32 Correct 3 ms 9564 KB Output is correct
33 Correct 3 ms 9564 KB Output is correct
34 Correct 4 ms 9820 KB Output is correct
35 Correct 3 ms 9820 KB Output is correct
36 Correct 3 ms 9564 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 9816 KB Output is correct
41 Correct 3 ms 9816 KB Output is correct
42 Correct 3 ms 9564 KB Output is correct
43 Correct 3 ms 9564 KB Output is correct
44 Correct 3 ms 9564 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 9564 KB Output is correct
48 Correct 3 ms 9564 KB Output is correct
49 Correct 3 ms 9820 KB Output is correct
50 Correct 4 ms 9816 KB Output is correct
51 Correct 3 ms 9564 KB Output is correct
52 Correct 4 ms 9564 KB Output is correct
53 Correct 4 ms 9840 KB Output is correct
54 Correct 5 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 118 ms 12492 KB Output is correct
4 Correct 180 ms 15564 KB Output is correct
5 Correct 119 ms 15304 KB Output is correct
6 Correct 117 ms 12492 KB Output is correct
7 Correct 138 ms 12536 KB Output is correct
8 Correct 136 ms 11940 KB Output is correct
9 Correct 144 ms 12700 KB Output is correct
10 Correct 207 ms 16280 KB Output is correct
11 Correct 146 ms 12448 KB Output is correct
12 Correct 160 ms 14988 KB Output is correct
13 Correct 132 ms 10960 KB Output is correct
14 Correct 129 ms 11728 KB Output is correct
15 Correct 187 ms 14996 KB Output is correct
16 Correct 189 ms 15304 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 9560 KB Output is correct
4 Correct 2 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 2 ms 9564 KB Output is correct
9 Correct 3 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 9564 KB Output is correct
14 Correct 2 ms 9564 KB Output is correct
15 Correct 2 ms 9564 KB Output is correct
16 Correct 2 ms 9560 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 2 ms 9564 KB Output is correct
22 Correct 2 ms 9564 KB Output is correct
23 Correct 2 ms 9564 KB Output is correct
24 Correct 2 ms 9560 KB Output is correct
25 Correct 2 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 118 ms 12492 KB Output is correct
30 Correct 180 ms 15564 KB Output is correct
31 Correct 119 ms 15304 KB Output is correct
32 Correct 117 ms 12492 KB Output is correct
33 Correct 138 ms 12536 KB Output is correct
34 Correct 136 ms 11940 KB Output is correct
35 Correct 144 ms 12700 KB Output is correct
36 Correct 207 ms 16280 KB Output is correct
37 Correct 146 ms 12448 KB Output is correct
38 Correct 160 ms 14988 KB Output is correct
39 Correct 132 ms 10960 KB Output is correct
40 Correct 129 ms 11728 KB Output is correct
41 Correct 187 ms 14996 KB Output is correct
42 Correct 189 ms 15304 KB Output is correct
43 Correct 122 ms 12340 KB Output is correct
44 Correct 186 ms 16336 KB Output is correct
45 Correct 1434 ms 15512 KB Output is correct
46 Correct 112 ms 12560 KB Output is correct
47 Correct 133 ms 12748 KB Output is correct
48 Correct 173 ms 12520 KB Output is correct
49 Correct 194 ms 15564 KB Output is correct
50 Correct 167 ms 12060 KB Output is correct
51 Correct 154 ms 14796 KB Output is correct
52 Correct 163 ms 15256 KB Output is correct
53 Correct 143 ms 10976 KB Output is correct
54 Correct 153 ms 12184 KB Output is correct
55 Correct 182 ms 14284 KB Output is correct
56 Correct 191 ms 15048 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 9560 KB Output is correct
4 Correct 2 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 2 ms 9564 KB Output is correct
9 Correct 3 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 9564 KB Output is correct
14 Correct 2 ms 9564 KB Output is correct
15 Correct 2 ms 9564 KB Output is correct
16 Correct 2 ms 9560 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 2 ms 9564 KB Output is correct
22 Correct 2 ms 9564 KB Output is correct
23 Correct 2 ms 9564 KB Output is correct
24 Correct 2 ms 9560 KB Output is correct
25 Correct 2 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 2 ms 9564 KB Output is correct
30 Correct 3 ms 9836 KB Output is correct
31 Correct 3 ms 9816 KB Output is correct
32 Correct 3 ms 9564 KB Output is correct
33 Correct 3 ms 9564 KB Output is correct
34 Correct 4 ms 9820 KB Output is correct
35 Correct 3 ms 9820 KB Output is correct
36 Correct 3 ms 9564 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 9816 KB Output is correct
41 Correct 3 ms 9816 KB Output is correct
42 Correct 3 ms 9564 KB Output is correct
43 Correct 3 ms 9564 KB Output is correct
44 Correct 3 ms 9564 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 9564 KB Output is correct
48 Correct 3 ms 9564 KB Output is correct
49 Correct 3 ms 9820 KB Output is correct
50 Correct 4 ms 9816 KB Output is correct
51 Correct 3 ms 9564 KB Output is correct
52 Correct 4 ms 9564 KB Output is correct
53 Correct 4 ms 9840 KB Output is correct
54 Correct 5 ms 9820 KB Output is correct
55 Correct 97 ms 12236 KB Output is correct
56 Correct 147 ms 15244 KB Output is correct
57 Correct 90 ms 16328 KB Output is correct
58 Correct 99 ms 12240 KB Output is correct
59 Correct 134 ms 12188 KB Output is correct
60 Correct 185 ms 15004 KB Output is correct
61 Correct 162 ms 12248 KB Output is correct
62 Correct 141 ms 15256 KB Output is correct
63 Correct 113 ms 10964 KB Output is correct
64 Correct 168 ms 12240 KB Output is correct
65 Correct 174 ms 15256 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 9560 KB Output is correct
4 Correct 2 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 2 ms 9564 KB Output is correct
9 Correct 3 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 9564 KB Output is correct
14 Correct 2 ms 9564 KB Output is correct
15 Correct 2 ms 9564 KB Output is correct
16 Correct 2 ms 9560 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 2 ms 9564 KB Output is correct
22 Correct 2 ms 9564 KB Output is correct
23 Correct 2 ms 9564 KB Output is correct
24 Correct 2 ms 9560 KB Output is correct
25 Correct 2 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 2 ms 9564 KB Output is correct
30 Correct 3 ms 9836 KB Output is correct
31 Correct 3 ms 9816 KB Output is correct
32 Correct 3 ms 9564 KB Output is correct
33 Correct 3 ms 9564 KB Output is correct
34 Correct 4 ms 9820 KB Output is correct
35 Correct 3 ms 9820 KB Output is correct
36 Correct 3 ms 9564 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 9816 KB Output is correct
41 Correct 3 ms 9816 KB Output is correct
42 Correct 3 ms 9564 KB Output is correct
43 Correct 3 ms 9564 KB Output is correct
44 Correct 3 ms 9564 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 9564 KB Output is correct
48 Correct 3 ms 9564 KB Output is correct
49 Correct 3 ms 9820 KB Output is correct
50 Correct 4 ms 9816 KB Output is correct
51 Correct 3 ms 9564 KB Output is correct
52 Correct 4 ms 9564 KB Output is correct
53 Correct 4 ms 9840 KB Output is correct
54 Correct 5 ms 9820 KB Output is correct
55 Correct 118 ms 12492 KB Output is correct
56 Correct 180 ms 15564 KB Output is correct
57 Correct 119 ms 15304 KB Output is correct
58 Correct 117 ms 12492 KB Output is correct
59 Correct 138 ms 12536 KB Output is correct
60 Correct 136 ms 11940 KB Output is correct
61 Correct 144 ms 12700 KB Output is correct
62 Correct 207 ms 16280 KB Output is correct
63 Correct 146 ms 12448 KB Output is correct
64 Correct 160 ms 14988 KB Output is correct
65 Correct 132 ms 10960 KB Output is correct
66 Correct 129 ms 11728 KB Output is correct
67 Correct 187 ms 14996 KB Output is correct
68 Correct 189 ms 15304 KB Output is correct
69 Correct 122 ms 12340 KB Output is correct
70 Correct 186 ms 16336 KB Output is correct
71 Correct 1434 ms 15512 KB Output is correct
72 Correct 112 ms 12560 KB Output is correct
73 Correct 133 ms 12748 KB Output is correct
74 Correct 173 ms 12520 KB Output is correct
75 Correct 194 ms 15564 KB Output is correct
76 Correct 167 ms 12060 KB Output is correct
77 Correct 154 ms 14796 KB Output is correct
78 Correct 163 ms 15256 KB Output is correct
79 Correct 143 ms 10976 KB Output is correct
80 Correct 153 ms 12184 KB Output is correct
81 Correct 182 ms 14284 KB Output is correct
82 Correct 191 ms 15048 KB Output is correct
83 Correct 97 ms 12236 KB Output is correct
84 Correct 147 ms 15244 KB Output is correct
85 Correct 90 ms 16328 KB Output is correct
86 Correct 99 ms 12240 KB Output is correct
87 Correct 134 ms 12188 KB Output is correct
88 Correct 185 ms 15004 KB Output is correct
89 Correct 162 ms 12248 KB Output is correct
90 Correct 141 ms 15256 KB Output is correct
91 Correct 113 ms 10964 KB Output is correct
92 Correct 168 ms 12240 KB Output is correct
93 Correct 174 ms 15256 KB Output is correct
94 Correct 132 ms 12428 KB Output is correct
95 Execution timed out 2039 ms 16004 KB Time limit exceeded
96 Halted 0 ms 0 KB -