oj.uz

Submission #926241

# Submission time Handle Problem Language Result Execution time Memory
926241 2024-02-12T17:42:38 Z mansur Joker (BOI20_joker) C++14
71 / 100
 2000 ms 18896 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();
	}
}

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 12376 KB Output is correct
2 Correct 2 ms 12380 KB Output is correct
3 Correct 3 ms 12380 KB Output is correct
4 Correct 3 ms 12380 KB Output is correct
5 Correct 3 ms 12380 KB Output is correct
6 Correct 2 ms 12380 KB Output is correct
7 Correct 3 ms 12380 KB Output is correct
8 Correct 3 ms 12380 KB Output is correct
9 Correct 3 ms 12376 KB Output is correct
10 Correct 2 ms 12376 KB Output is correct
11 Correct 2 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 12376 KB Output is correct
15 Correct 3 ms 12380 KB Output is correct
16 Correct 3 ms 12380 KB Output is correct
17 Correct 3 ms 12376 KB Output is correct
18 Correct 3 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 12376 KB Output is correct
22 Correct 3 ms 12380 KB Output is correct
23 Correct 2 ms 12376 KB Output is correct
24 Correct 2 ms 12380 KB Output is correct
25 Correct 2 ms 12380 KB Output is correct
26 Correct 3 ms 12380 KB Output is correct
27 Correct 2 ms 12604 KB Output is correct
28 Correct 3 ms 12380 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 12376 KB Output is correct
2 Correct 2 ms 12380 KB Output is correct
3 Correct 3 ms 12380 KB Output is correct
4 Correct 3 ms 12380 KB Output is correct
5 Correct 3 ms 12380 KB Output is correct
6 Correct 2 ms 12380 KB Output is correct
7 Correct 3 ms 12380 KB Output is correct
8 Correct 3 ms 12380 KB Output is correct
9 Correct 3 ms 12376 KB Output is correct
10 Correct 2 ms 12376 KB Output is correct
11 Correct 2 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 12376 KB Output is correct
15 Correct 3 ms 12380 KB Output is correct
16 Correct 3 ms 12380 KB Output is correct
17 Correct 3 ms 12376 KB Output is correct
18 Correct 3 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 12376 KB Output is correct
22 Correct 3 ms 12380 KB Output is correct
23 Correct 2 ms 12376 KB Output is correct
24 Correct 2 ms 12380 KB Output is correct
25 Correct 2 ms 12380 KB Output is correct
26 Correct 3 ms 12380 KB Output is correct
27 Correct 2 ms 12604 KB Output is correct
28 Correct 3 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 12636 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 4 ms 12888 KB Output is correct
36 Correct 3 ms 12636 KB Output is correct
37 Correct 4 ms 12636 KB Output is correct
38 Correct 3 ms 12636 KB Output is correct
39 Correct 4 ms 12636 KB Output is correct
40 Correct 3 ms 12636 KB Output is correct
41 Correct 3 ms 12504 KB Output is correct
42 Correct 3 ms 12632 KB Output is correct
43 Correct 3 ms 12636 KB Output is correct
44 Correct 3 ms 12636 KB Output is correct
45 Correct 4 ms 12636 KB Output is correct
46 Correct 4 ms 12636 KB Output is correct
47 Correct 3 ms 12636 KB Output is correct
48 Correct 3 ms 12636 KB Output is correct
49 Correct 3 ms 12632 KB Output is correct
50 Correct 4 ms 12860 KB Output is correct
51 Correct 3 ms 12632 KB Output is correct
52 Correct 3 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 12376 KB Output is correct
2 Correct 2 ms 12380 KB Output is correct
3 Correct 118 ms 15056 KB Output is correct
4 Correct 177 ms 17096 KB Output is correct
5 Correct 114 ms 18124 KB Output is correct
6 Correct 115 ms 15048 KB Output is correct
7 Correct 129 ms 15052 KB Output is correct
8 Correct 125 ms 14540 KB Output is correct
9 Correct 154 ms 15052 KB Output is correct
10 Correct 180 ms 18376 KB Output is correct
11 Correct 150 ms 15012 KB Output is correct
12 Correct 148 ms 17104 KB Output is correct
13 Correct 134 ms 13804 KB Output is correct
14 Correct 131 ms 14284 KB Output is correct
15 Correct 181 ms 17100 KB Output is correct
16 Correct 188 ms 18888 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 12376 KB Output is correct
2 Correct 2 ms 12380 KB Output is correct
3 Correct 3 ms 12380 KB Output is correct
4 Correct 3 ms 12380 KB Output is correct
5 Correct 3 ms 12380 KB Output is correct
6 Correct 2 ms 12380 KB Output is correct
7 Correct 3 ms 12380 KB Output is correct
8 Correct 3 ms 12380 KB Output is correct
9 Correct 3 ms 12376 KB Output is correct
10 Correct 2 ms 12376 KB Output is correct
11 Correct 2 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 12376 KB Output is correct
15 Correct 3 ms 12380 KB Output is correct
16 Correct 3 ms 12380 KB Output is correct
17 Correct 3 ms 12376 KB Output is correct
18 Correct 3 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 12376 KB Output is correct
22 Correct 3 ms 12380 KB Output is correct
23 Correct 2 ms 12376 KB Output is correct
24 Correct 2 ms 12380 KB Output is correct
25 Correct 2 ms 12380 KB Output is correct
26 Correct 3 ms 12380 KB Output is correct
27 Correct 2 ms 12604 KB Output is correct
28 Correct 3 ms 12380 KB Output is correct
29 Correct 118 ms 15056 KB Output is correct
30 Correct 177 ms 17096 KB Output is correct
31 Correct 114 ms 18124 KB Output is correct
32 Correct 115 ms 15048 KB Output is correct
33 Correct 129 ms 15052 KB Output is correct
34 Correct 125 ms 14540 KB Output is correct
35 Correct 154 ms 15052 KB Output is correct
36 Correct 180 ms 18376 KB Output is correct
37 Correct 150 ms 15012 KB Output is correct
38 Correct 148 ms 17104 KB Output is correct
39 Correct 134 ms 13804 KB Output is correct
40 Correct 131 ms 14284 KB Output is correct
41 Correct 181 ms 17100 KB Output is correct
42 Correct 188 ms 18888 KB Output is correct
43 Correct 119 ms 15048 KB Output is correct
44 Correct 175 ms 17672 KB Output is correct
45 Correct 1324 ms 18120 KB Output is correct
46 Correct 116 ms 15056 KB Output is correct
47 Correct 126 ms 15052 KB Output is correct
48 Correct 155 ms 15012 KB Output is correct
49 Correct 183 ms 18388 KB Output is correct
50 Correct 142 ms 14736 KB Output is correct
51 Correct 150 ms 17620 KB Output is correct
52 Correct 159 ms 17364 KB Output is correct
53 Correct 141 ms 13740 KB Output is correct
54 Correct 156 ms 14552 KB Output is correct
55 Correct 169 ms 18120 KB Output is correct
56 Correct 189 ms 18856 KB Output is correct

Subtask #5
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 12376 KB Output is correct
2 Correct 2 ms 12380 KB Output is correct
3 Correct 3 ms 12380 KB Output is correct
4 Correct 3 ms 12380 KB Output is correct
5 Correct 3 ms 12380 KB Output is correct
6 Correct 2 ms 12380 KB Output is correct
7 Correct 3 ms 12380 KB Output is correct
8 Correct 3 ms 12380 KB Output is correct
9 Correct 3 ms 12376 KB Output is correct
10 Correct 2 ms 12376 KB Output is correct
11 Correct 2 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 12376 KB Output is correct
15 Correct 3 ms 12380 KB Output is correct
16 Correct 3 ms 12380 KB Output is correct
17 Correct 3 ms 12376 KB Output is correct
18 Correct 3 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 12376 KB Output is correct
22 Correct 3 ms 12380 KB Output is correct
23 Correct 2 ms 12376 KB Output is correct
24 Correct 2 ms 12380 KB Output is correct
25 Correct 2 ms 12380 KB Output is correct
26 Correct 3 ms 12380 KB Output is correct
27 Correct 2 ms 12604 KB Output is correct
28 Correct 3 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 12636 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 4 ms 12888 KB Output is correct
36 Correct 3 ms 12636 KB Output is correct
37 Correct 4 ms 12636 KB Output is correct
38 Correct 3 ms 12636 KB Output is correct
39 Correct 4 ms 12636 KB Output is correct
40 Correct 3 ms 12636 KB Output is correct
41 Correct 3 ms 12504 KB Output is correct
42 Correct 3 ms 12632 KB Output is correct
43 Correct 3 ms 12636 KB Output is correct
44 Correct 3 ms 12636 KB Output is correct
45 Correct 4 ms 12636 KB Output is correct
46 Correct 4 ms 12636 KB Output is correct
47 Correct 3 ms 12636 KB Output is correct
48 Correct 3 ms 12636 KB Output is correct
49 Correct 3 ms 12632 KB Output is correct
50 Correct 4 ms 12860 KB Output is correct
51 Correct 3 ms 12632 KB Output is correct
52 Correct 3 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 94 ms 14544 KB Output is correct
56 Correct 138 ms 18896 KB Output is correct
57 Correct 88 ms 16840 KB Output is correct
58 Correct 91 ms 14764 KB Output is correct
59 Correct 124 ms 14544 KB Output is correct
60 Correct 157 ms 17868 KB Output is correct
61 Correct 132 ms 14540 KB Output is correct
62 Correct 128 ms 17056 KB Output is correct
63 Correct 102 ms 13724 KB Output is correct
64 Correct 132 ms 14712 KB Output is correct
65 Correct 169 ms 17608 KB Output is correct

Subtask #6
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 12376 KB Output is correct
2 Correct 2 ms 12380 KB Output is correct
3 Correct 3 ms 12380 KB Output is correct
4 Correct 3 ms 12380 KB Output is correct
5 Correct 3 ms 12380 KB Output is correct
6 Correct 2 ms 12380 KB Output is correct
7 Correct 3 ms 12380 KB Output is correct
8 Correct 3 ms 12380 KB Output is correct
9 Correct 3 ms 12376 KB Output is correct
10 Correct 2 ms 12376 KB Output is correct
11 Correct 2 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 12376 KB Output is correct
15 Correct 3 ms 12380 KB Output is correct
16 Correct 3 ms 12380 KB Output is correct
17 Correct 3 ms 12376 KB Output is correct
18 Correct 3 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 12376 KB Output is correct
22 Correct 3 ms 12380 KB Output is correct
23 Correct 2 ms 12376 KB Output is correct
24 Correct 2 ms 12380 KB Output is correct
25 Correct 2 ms 12380 KB Output is correct
26 Correct 3 ms 12380 KB Output is correct
27 Correct 2 ms 12604 KB Output is correct
28 Correct 3 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 12636 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 4 ms 12888 KB Output is correct
36 Correct 3 ms 12636 KB Output is correct
37 Correct 4 ms 12636 KB Output is correct
38 Correct 3 ms 12636 KB Output is correct
39 Correct 4 ms 12636 KB Output is correct
40 Correct 3 ms 12636 KB Output is correct
41 Correct 3 ms 12504 KB Output is correct
42 Correct 3 ms 12632 KB Output is correct
43 Correct 3 ms 12636 KB Output is correct
44 Correct 3 ms 12636 KB Output is correct
45 Correct 4 ms 12636 KB Output is correct
46 Correct 4 ms 12636 KB Output is correct
47 Correct 3 ms 12636 KB Output is correct
48 Correct 3 ms 12636 KB Output is correct
49 Correct 3 ms 12632 KB Output is correct
50 Correct 4 ms 12860 KB Output is correct
51 Correct 3 ms 12632 KB Output is correct
52 Correct 3 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 118 ms 15056 KB Output is correct
56 Correct 177 ms 17096 KB Output is correct
57 Correct 114 ms 18124 KB Output is correct
58 Correct 115 ms 15048 KB Output is correct
59 Correct 129 ms 15052 KB Output is correct
60 Correct 125 ms 14540 KB Output is correct
61 Correct 154 ms 15052 KB Output is correct
62 Correct 180 ms 18376 KB Output is correct
63 Correct 150 ms 15012 KB Output is correct
64 Correct 148 ms 17104 KB Output is correct
65 Correct 134 ms 13804 KB Output is correct
66 Correct 131 ms 14284 KB Output is correct
67 Correct 181 ms 17100 KB Output is correct
68 Correct 188 ms 18888 KB Output is correct
69 Correct 119 ms 15048 KB Output is correct
70 Correct 175 ms 17672 KB Output is correct
71 Correct 1324 ms 18120 KB Output is correct
72 Correct 116 ms 15056 KB Output is correct
73 Correct 126 ms 15052 KB Output is correct
74 Correct 155 ms 15012 KB Output is correct
75 Correct 183 ms 18388 KB Output is correct
76 Correct 142 ms 14736 KB Output is correct
77 Correct 150 ms 17620 KB Output is correct
78 Correct 159 ms 17364 KB Output is correct
79 Correct 141 ms 13740 KB Output is correct
80 Correct 156 ms 14552 KB Output is correct
81 Correct 169 ms 18120 KB Output is correct
82 Correct 189 ms 18856 KB Output is correct
83 Correct 94 ms 14544 KB Output is correct
84 Correct 138 ms 18896 KB Output is correct
85 Correct 88 ms 16840 KB Output is correct
86 Correct 91 ms 14764 KB Output is correct
87 Correct 124 ms 14544 KB Output is correct
88 Correct 157 ms 17868 KB Output is correct
89 Correct 132 ms 14540 KB Output is correct
90 Correct 128 ms 17056 KB Output is correct
91 Correct 102 ms 13724 KB Output is correct
92 Correct 132 ms 14712 KB Output is correct
93 Correct 169 ms 17608 KB Output is correct
94 Correct 126 ms 15056 KB Output is correct
95 Execution timed out 2021 ms 18896 KB Time limit exceeded
96 Halted 0 ms 0 KB -