oj.uz

Submission #926255

# Submission time Handle Problem Language Result Execution time Memory
926255 2024-02-12T17:53:52 Z mansur Joker (BOI20_joker) C++17
71 / 100
 2000 ms 18644 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>;
      
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<pii> 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)};
}
 
inline 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];
}
 
inline void rb() {
	while (sz(h) && !pt[sz(h)]) {
		pii x = h.back();
		h.pop_back();
		if (x.f == -1) {
			ok = 1;
			continue;
		}
		p[x.f] = x.f;
		pr[x.f] = 0;
		sz[x.f] = x.s;
	}
	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:126:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
  126 | main() {
      | ^~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 12380 KB Output is correct
2 Correct 3 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 3 ms 12380 KB Output is correct
7 Correct 3 ms 12516 KB Output is correct
8 Correct 3 ms 12380 KB Output is correct
9 Correct 3 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 3 ms 12380 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 12380 KB Output is correct
16 Correct 3 ms 12632 KB Output is correct
17 Correct 3 ms 12380 KB Output is correct
18 Correct 2 ms 12376 KB Output is correct
19 Correct 2 ms 12380 KB Output is correct
20 Correct 3 ms 12380 KB Output is correct
21 Correct 3 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 12380 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 3 ms 12380 KB Output is correct
2 Correct 3 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 3 ms 12380 KB Output is correct
7 Correct 3 ms 12516 KB Output is correct
8 Correct 3 ms 12380 KB Output is correct
9 Correct 3 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 3 ms 12380 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 12380 KB Output is correct
16 Correct 3 ms 12632 KB Output is correct
17 Correct 3 ms 12380 KB Output is correct
18 Correct 2 ms 12376 KB Output is correct
19 Correct 2 ms 12380 KB Output is correct
20 Correct 3 ms 12380 KB Output is correct
21 Correct 3 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 12380 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 4 ms 12636 KB Output is correct
32 Correct 3 ms 12604 KB Output is correct
33 Correct 3 ms 13044 KB Output is correct
34 Correct 5 ms 12636 KB Output is correct
35 Correct 4 ms 12636 KB Output is correct
36 Correct 3 ms 12636 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 3 ms 12636 KB Output is correct
41 Correct 3 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 4 ms 12636 KB Output is correct
45 Correct 3 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 4 ms 12636 KB Output is correct
49 Correct 3 ms 12636 KB Output is correct
50 Correct 4 ms 12636 KB Output is correct
51 Correct 3 ms 12636 KB Output is correct
52 Correct 3 ms 12636 KB Output is correct
53 Correct 4 ms 12620 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 12380 KB Output is correct
2 Correct 3 ms 12380 KB Output is correct
3 Correct 121 ms 15056 KB Output is correct
4 Correct 170 ms 17864 KB Output is correct
5 Correct 122 ms 17872 KB Output is correct
6 Correct 114 ms 15016 KB Output is correct
7 Correct 129 ms 15084 KB Output is correct
8 Correct 123 ms 14428 KB Output is correct
9 Correct 138 ms 15048 KB Output is correct
10 Correct 181 ms 18092 KB Output is correct
11 Correct 145 ms 14976 KB Output is correct
12 Correct 152 ms 18120 KB Output is correct
13 Correct 133 ms 13716 KB Output is correct
14 Correct 126 ms 14440 KB Output is correct
15 Correct 180 ms 17352 KB Output is correct
16 Correct 180 ms 18636 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 12380 KB Output is correct
2 Correct 3 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 3 ms 12380 KB Output is correct
7 Correct 3 ms 12516 KB Output is correct
8 Correct 3 ms 12380 KB Output is correct
9 Correct 3 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 3 ms 12380 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 12380 KB Output is correct
16 Correct 3 ms 12632 KB Output is correct
17 Correct 3 ms 12380 KB Output is correct
18 Correct 2 ms 12376 KB Output is correct
19 Correct 2 ms 12380 KB Output is correct
20 Correct 3 ms 12380 KB Output is correct
21 Correct 3 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 12380 KB Output is correct
28 Correct 3 ms 12380 KB Output is correct
29 Correct 121 ms 15056 KB Output is correct
30 Correct 170 ms 17864 KB Output is correct
31 Correct 122 ms 17872 KB Output is correct
32 Correct 114 ms 15016 KB Output is correct
33 Correct 129 ms 15084 KB Output is correct
34 Correct 123 ms 14428 KB Output is correct
35 Correct 138 ms 15048 KB Output is correct
36 Correct 181 ms 18092 KB Output is correct
37 Correct 145 ms 14976 KB Output is correct
38 Correct 152 ms 18120 KB Output is correct
39 Correct 133 ms 13716 KB Output is correct
40 Correct 126 ms 14440 KB Output is correct
41 Correct 180 ms 17352 KB Output is correct
42 Correct 180 ms 18636 KB Output is correct
43 Correct 125 ms 15052 KB Output is correct
44 Correct 183 ms 18644 KB Output is correct
45 Correct 1324 ms 18632 KB Output is correct
46 Correct 114 ms 15052 KB Output is correct
47 Correct 131 ms 15052 KB Output is correct
48 Correct 157 ms 15036 KB Output is correct
49 Correct 184 ms 17356 KB Output is correct
50 Correct 145 ms 14540 KB Output is correct
51 Correct 150 ms 17868 KB Output is correct
52 Correct 158 ms 17352 KB Output is correct
53 Correct 145 ms 13820 KB Output is correct
54 Correct 148 ms 14540 KB Output is correct
55 Correct 171 ms 18124 KB Output is correct
56 Correct 189 ms 17356 KB Output is correct

Subtask #5
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 12380 KB Output is correct
2 Correct 3 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 3 ms 12380 KB Output is correct
7 Correct 3 ms 12516 KB Output is correct
8 Correct 3 ms 12380 KB Output is correct
9 Correct 3 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 3 ms 12380 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 12380 KB Output is correct
16 Correct 3 ms 12632 KB Output is correct
17 Correct 3 ms 12380 KB Output is correct
18 Correct 2 ms 12376 KB Output is correct
19 Correct 2 ms 12380 KB Output is correct
20 Correct 3 ms 12380 KB Output is correct
21 Correct 3 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 12380 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 4 ms 12636 KB Output is correct
32 Correct 3 ms 12604 KB Output is correct
33 Correct 3 ms 13044 KB Output is correct
34 Correct 5 ms 12636 KB Output is correct
35 Correct 4 ms 12636 KB Output is correct
36 Correct 3 ms 12636 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 3 ms 12636 KB Output is correct
41 Correct 3 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 4 ms 12636 KB Output is correct
45 Correct 3 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 4 ms 12636 KB Output is correct
49 Correct 3 ms 12636 KB Output is correct
50 Correct 4 ms 12636 KB Output is correct
51 Correct 3 ms 12636 KB Output is correct
52 Correct 3 ms 12636 KB Output is correct
53 Correct 4 ms 12620 KB Output is correct
54 Correct 3 ms 12636 KB Output is correct
55 Correct 95 ms 14548 KB Output is correct
56 Correct 139 ms 18592 KB Output is correct
57 Correct 88 ms 18640 KB Output is correct
58 Correct 98 ms 14800 KB Output is correct
59 Correct 123 ms 14544 KB Output is correct
60 Correct 155 ms 17108 KB Output is correct
61 Correct 134 ms 14544 KB Output is correct
62 Correct 132 ms 17832 KB Output is correct
63 Correct 102 ms 13520 KB Output is correct
64 Correct 133 ms 14804 KB Output is correct
65 Correct 155 ms 17620 KB Output is correct

Subtask #6
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 12380 KB Output is correct
2 Correct 3 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 3 ms 12380 KB Output is correct
7 Correct 3 ms 12516 KB Output is correct
8 Correct 3 ms 12380 KB Output is correct
9 Correct 3 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 3 ms 12380 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 12380 KB Output is correct
16 Correct 3 ms 12632 KB Output is correct
17 Correct 3 ms 12380 KB Output is correct
18 Correct 2 ms 12376 KB Output is correct
19 Correct 2 ms 12380 KB Output is correct
20 Correct 3 ms 12380 KB Output is correct
21 Correct 3 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 12380 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 4 ms 12636 KB Output is correct
32 Correct 3 ms 12604 KB Output is correct
33 Correct 3 ms 13044 KB Output is correct
34 Correct 5 ms 12636 KB Output is correct
35 Correct 4 ms 12636 KB Output is correct
36 Correct 3 ms 12636 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 3 ms 12636 KB Output is correct
41 Correct 3 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 4 ms 12636 KB Output is correct
45 Correct 3 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 4 ms 12636 KB Output is correct
49 Correct 3 ms 12636 KB Output is correct
50 Correct 4 ms 12636 KB Output is correct
51 Correct 3 ms 12636 KB Output is correct
52 Correct 3 ms 12636 KB Output is correct
53 Correct 4 ms 12620 KB Output is correct
54 Correct 3 ms 12636 KB Output is correct
55 Correct 121 ms 15056 KB Output is correct
56 Correct 170 ms 17864 KB Output is correct
57 Correct 122 ms 17872 KB Output is correct
58 Correct 114 ms 15016 KB Output is correct
59 Correct 129 ms 15084 KB Output is correct
60 Correct 123 ms 14428 KB Output is correct
61 Correct 138 ms 15048 KB Output is correct
62 Correct 181 ms 18092 KB Output is correct
63 Correct 145 ms 14976 KB Output is correct
64 Correct 152 ms 18120 KB Output is correct
65 Correct 133 ms 13716 KB Output is correct
66 Correct 126 ms 14440 KB Output is correct
67 Correct 180 ms 17352 KB Output is correct
68 Correct 180 ms 18636 KB Output is correct
69 Correct 125 ms 15052 KB Output is correct
70 Correct 183 ms 18644 KB Output is correct
71 Correct 1324 ms 18632 KB Output is correct
72 Correct 114 ms 15052 KB Output is correct
73 Correct 131 ms 15052 KB Output is correct
74 Correct 157 ms 15036 KB Output is correct
75 Correct 184 ms 17356 KB Output is correct
76 Correct 145 ms 14540 KB Output is correct
77 Correct 150 ms 17868 KB Output is correct
78 Correct 158 ms 17352 KB Output is correct
79 Correct 145 ms 13820 KB Output is correct
80 Correct 148 ms 14540 KB Output is correct
81 Correct 171 ms 18124 KB Output is correct
82 Correct 189 ms 17356 KB Output is correct
83 Correct 95 ms 14548 KB Output is correct
84 Correct 139 ms 18592 KB Output is correct
85 Correct 88 ms 18640 KB Output is correct
86 Correct 98 ms 14800 KB Output is correct
87 Correct 123 ms 14544 KB Output is correct
88 Correct 155 ms 17108 KB Output is correct
89 Correct 134 ms 14544 KB Output is correct
90 Correct 132 ms 17832 KB Output is correct
91 Correct 102 ms 13520 KB Output is correct
92 Correct 133 ms 14804 KB Output is correct
93 Correct 155 ms 17620 KB Output is correct
94 Correct 135 ms 15112 KB Output is correct
95 Execution timed out 2073 ms 17104 KB Time limit exceeded
96 Halted 0 ms 0 KB -