oj.uz

Submission #926230

# Submission time Handle Problem Language Result Execution time Memory
926230 2024-02-12T17:38:07 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,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 2 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 2 ms 12380 KB Output is correct
11 Correct 3 ms 12376 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 3 ms 12376 KB Output is correct
16 Correct 2 ms 12380 KB Output is correct
17 Correct 3 ms 12376 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 12376 KB Output is correct
21 Correct 2 ms 12380 KB Output is correct
22 Correct 2 ms 12380 KB Output is correct
23 Correct 2 ms 12380 KB Output is correct
24 Correct 2 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 12632 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 2 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 2 ms 12380 KB Output is correct
11 Correct 3 ms 12376 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 3 ms 12376 KB Output is correct
16 Correct 2 ms 12380 KB Output is correct
17 Correct 3 ms 12376 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 12376 KB Output is correct
21 Correct 2 ms 12380 KB Output is correct
22 Correct 2 ms 12380 KB Output is correct
23 Correct 2 ms 12380 KB Output is correct
24 Correct 2 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 12632 KB Output is correct
28 Correct 2 ms 12380 KB Output is correct
29 Correct 4 ms 12888 KB Output is correct
30 Correct 4 ms 12632 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 12636 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 12632 KB Output is correct
37 Correct 4 ms 12636 KB Output is correct
38 Correct 4 ms 12636 KB Output is correct
39 Correct 3 ms 12636 KB Output is correct
40 Correct 4 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 3 ms 12636 KB Output is correct
45 Correct 3 ms 12636 KB Output is correct
46 Correct 3 ms 12636 KB Output is correct
47 Correct 3 ms 13144 KB Output is correct
48 Correct 3 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 4 ms 12636 KB Output is correct
52 Correct 4 ms 12636 KB Output is correct
53 Correct 3 ms 12636 KB Output is correct
54 Correct 4 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 123 ms 15052 KB Output is correct
4 Correct 178 ms 17072 KB Output is correct
5 Correct 121 ms 17356 KB Output is correct
6 Correct 122 ms 15048 KB Output is correct
7 Correct 141 ms 15052 KB Output is correct
8 Correct 131 ms 14424 KB Output is correct
9 Correct 155 ms 15048 KB Output is correct
10 Correct 191 ms 17056 KB Output is correct
11 Correct 157 ms 14956 KB Output is correct
12 Correct 176 ms 17044 KB Output is correct
13 Correct 138 ms 13780 KB Output is correct
14 Correct 136 ms 14288 KB Output is correct
15 Correct 196 ms 17416 KB Output is correct
16 Correct 202 ms 18388 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 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 2 ms 12380 KB Output is correct
11 Correct 3 ms 12376 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 3 ms 12376 KB Output is correct
16 Correct 2 ms 12380 KB Output is correct
17 Correct 3 ms 12376 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 12376 KB Output is correct
21 Correct 2 ms 12380 KB Output is correct
22 Correct 2 ms 12380 KB Output is correct
23 Correct 2 ms 12380 KB Output is correct
24 Correct 2 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 12632 KB Output is correct
28 Correct 2 ms 12380 KB Output is correct
29 Correct 123 ms 15052 KB Output is correct
30 Correct 178 ms 17072 KB Output is correct
31 Correct 121 ms 17356 KB Output is correct
32 Correct 122 ms 15048 KB Output is correct
33 Correct 141 ms 15052 KB Output is correct
34 Correct 131 ms 14424 KB Output is correct
35 Correct 155 ms 15048 KB Output is correct
36 Correct 191 ms 17056 KB Output is correct
37 Correct 157 ms 14956 KB Output is correct
38 Correct 176 ms 17044 KB Output is correct
39 Correct 138 ms 13780 KB Output is correct
40 Correct 136 ms 14288 KB Output is correct
41 Correct 196 ms 17416 KB Output is correct
42 Correct 202 ms 18388 KB Output is correct
43 Correct 124 ms 15016 KB Output is correct
44 Correct 182 ms 18632 KB Output is correct
45 Correct 1381 ms 17316 KB Output is correct
46 Correct 121 ms 15092 KB Output is correct
47 Correct 134 ms 15052 KB Output is correct
48 Correct 165 ms 15024 KB Output is correct
49 Correct 197 ms 17100 KB Output is correct
50 Correct 159 ms 14668 KB Output is correct
51 Correct 167 ms 17352 KB Output is correct
52 Correct 181 ms 18632 KB Output is correct
53 Correct 142 ms 13776 KB Output is correct
54 Correct 171 ms 14788 KB Output is correct
55 Correct 195 ms 17448 KB Output is correct
56 Correct 209 ms 17364 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 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 2 ms 12380 KB Output is correct
11 Correct 3 ms 12376 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 3 ms 12376 KB Output is correct
16 Correct 2 ms 12380 KB Output is correct
17 Correct 3 ms 12376 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 12376 KB Output is correct
21 Correct 2 ms 12380 KB Output is correct
22 Correct 2 ms 12380 KB Output is correct
23 Correct 2 ms 12380 KB Output is correct
24 Correct 2 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 12632 KB Output is correct
28 Correct 2 ms 12380 KB Output is correct
29 Correct 4 ms 12888 KB Output is correct
30 Correct 4 ms 12632 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 12636 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 12632 KB Output is correct
37 Correct 4 ms 12636 KB Output is correct
38 Correct 4 ms 12636 KB Output is correct
39 Correct 3 ms 12636 KB Output is correct
40 Correct 4 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 3 ms 12636 KB Output is correct
45 Correct 3 ms 12636 KB Output is correct
46 Correct 3 ms 12636 KB Output is correct
47 Correct 3 ms 13144 KB Output is correct
48 Correct 3 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 4 ms 12636 KB Output is correct
52 Correct 4 ms 12636 KB Output is correct
53 Correct 3 ms 12636 KB Output is correct
54 Correct 4 ms 12636 KB Output is correct
55 Correct 100 ms 14760 KB Output is correct
56 Correct 141 ms 17864 KB Output is correct
57 Correct 98 ms 16804 KB Output is correct
58 Correct 99 ms 14548 KB Output is correct
59 Correct 141 ms 14548 KB Output is correct
60 Correct 182 ms 17872 KB Output is correct
61 Correct 148 ms 14664 KB Output is correct
62 Correct 149 ms 17352 KB Output is correct
63 Correct 111 ms 13524 KB Output is correct
64 Correct 169 ms 14544 KB Output is correct
65 Correct 183 ms 18388 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 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 2 ms 12380 KB Output is correct
11 Correct 3 ms 12376 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 3 ms 12376 KB Output is correct
16 Correct 2 ms 12380 KB Output is correct
17 Correct 3 ms 12376 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 12376 KB Output is correct
21 Correct 2 ms 12380 KB Output is correct
22 Correct 2 ms 12380 KB Output is correct
23 Correct 2 ms 12380 KB Output is correct
24 Correct 2 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 12632 KB Output is correct
28 Correct 2 ms 12380 KB Output is correct
29 Correct 4 ms 12888 KB Output is correct
30 Correct 4 ms 12632 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 12636 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 12632 KB Output is correct
37 Correct 4 ms 12636 KB Output is correct
38 Correct 4 ms 12636 KB Output is correct
39 Correct 3 ms 12636 KB Output is correct
40 Correct 4 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 3 ms 12636 KB Output is correct
45 Correct 3 ms 12636 KB Output is correct
46 Correct 3 ms 12636 KB Output is correct
47 Correct 3 ms 13144 KB Output is correct
48 Correct 3 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 4 ms 12636 KB Output is correct
52 Correct 4 ms 12636 KB Output is correct
53 Correct 3 ms 12636 KB Output is correct
54 Correct 4 ms 12636 KB Output is correct
55 Correct 123 ms 15052 KB Output is correct
56 Correct 178 ms 17072 KB Output is correct
57 Correct 121 ms 17356 KB Output is correct
58 Correct 122 ms 15048 KB Output is correct
59 Correct 141 ms 15052 KB Output is correct
60 Correct 131 ms 14424 KB Output is correct
61 Correct 155 ms 15048 KB Output is correct
62 Correct 191 ms 17056 KB Output is correct
63 Correct 157 ms 14956 KB Output is correct
64 Correct 176 ms 17044 KB Output is correct
65 Correct 138 ms 13780 KB Output is correct
66 Correct 136 ms 14288 KB Output is correct
67 Correct 196 ms 17416 KB Output is correct
68 Correct 202 ms 18388 KB Output is correct
69 Correct 124 ms 15016 KB Output is correct
70 Correct 182 ms 18632 KB Output is correct
71 Correct 1381 ms 17316 KB Output is correct
72 Correct 121 ms 15092 KB Output is correct
73 Correct 134 ms 15052 KB Output is correct
74 Correct 165 ms 15024 KB Output is correct
75 Correct 197 ms 17100 KB Output is correct
76 Correct 159 ms 14668 KB Output is correct
77 Correct 167 ms 17352 KB Output is correct
78 Correct 181 ms 18632 KB Output is correct
79 Correct 142 ms 13776 KB Output is correct
80 Correct 171 ms 14788 KB Output is correct
81 Correct 195 ms 17448 KB Output is correct
82 Correct 209 ms 17364 KB Output is correct
83 Correct 100 ms 14760 KB Output is correct
84 Correct 141 ms 17864 KB Output is correct
85 Correct 98 ms 16804 KB Output is correct
86 Correct 99 ms 14548 KB Output is correct
87 Correct 141 ms 14548 KB Output is correct
88 Correct 182 ms 17872 KB Output is correct
89 Correct 148 ms 14664 KB Output is correct
90 Correct 149 ms 17352 KB Output is correct
91 Correct 111 ms 13524 KB Output is correct
92 Correct 169 ms 14544 KB Output is correct
93 Correct 183 ms 18388 KB Output is correct
94 Correct 130 ms 15216 KB Output is correct
95 Execution timed out 2061 ms 17108 KB Time limit exceeded
96 Halted 0 ms 0 KB -