oj.uz

답안 #926293

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
926293 2024-02-12T18:26:30 Z mansur Joker (BOI20_joker) C++17
71 / 100
 178 ms 28876 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 = 1e6 + 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], pr[N];
int sz[N], pt[N];
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);
	if (ps[m] == tr + 1) {
		for (int i = m + 1; i <= r; i++) 
			ps[i] = tr + 1;
	}else f(m + 1, r, tr);
	rb();
	if (!ps[m]) return;
	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 (l > r) {
			cout << 5 / 0;
		}
		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: In function 'void slv()':
Joker.cpp:128:14: warning: division by zero [-Wdiv-by-zero]
  128 |    cout << 5 / 0;
      |            ~~^~~
Joker.cpp: At global scope:
Joker.cpp:135:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
  135 | main() {
      | ^~~~

Subtask #1
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 16472 KB Output is correct
2 Correct 3 ms 16472 KB Output is correct
3 Correct 3 ms 16476 KB Output is correct
4 Correct 4 ms 16476 KB Output is correct
5 Correct 3 ms 16472 KB Output is correct
6 Correct 4 ms 16472 KB Output is correct
7 Correct 3 ms 16476 KB Output is correct
8 Correct 3 ms 16476 KB Output is correct
9 Correct 3 ms 16476 KB Output is correct
10 Correct 3 ms 16476 KB Output is correct
11 Correct 3 ms 16476 KB Output is correct
12 Correct 4 ms 16476 KB Output is correct
13 Correct 3 ms 16476 KB Output is correct
14 Correct 3 ms 16476 KB Output is correct
15 Correct 3 ms 16476 KB Output is correct
16 Correct 3 ms 16472 KB Output is correct
17 Correct 3 ms 16476 KB Output is correct
18 Correct 4 ms 16476 KB Output is correct
19 Correct 3 ms 16476 KB Output is correct
20 Correct 3 ms 16476 KB Output is correct
21 Correct 3 ms 16476 KB Output is correct
22 Correct 3 ms 16476 KB Output is correct
23 Correct 3 ms 16476 KB Output is correct
24 Correct 3 ms 16476 KB Output is correct
25 Correct 3 ms 16476 KB Output is correct
26 Correct 3 ms 16476 KB Output is correct
27 Correct 3 ms 16476 KB Output is correct
28 Correct 3 ms 16476 KB Output is correct

Subtask #2
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 16472 KB Output is correct
2 Correct 3 ms 16472 KB Output is correct
3 Correct 3 ms 16476 KB Output is correct
4 Correct 4 ms 16476 KB Output is correct
5 Correct 3 ms 16472 KB Output is correct
6 Correct 4 ms 16472 KB Output is correct
7 Correct 3 ms 16476 KB Output is correct
8 Correct 3 ms 16476 KB Output is correct
9 Correct 3 ms 16476 KB Output is correct
10 Correct 3 ms 16476 KB Output is correct
11 Correct 3 ms 16476 KB Output is correct
12 Correct 4 ms 16476 KB Output is correct
13 Correct 3 ms 16476 KB Output is correct
14 Correct 3 ms 16476 KB Output is correct
15 Correct 3 ms 16476 KB Output is correct
16 Correct 3 ms 16472 KB Output is correct
17 Correct 3 ms 16476 KB Output is correct
18 Correct 4 ms 16476 KB Output is correct
19 Correct 3 ms 16476 KB Output is correct
20 Correct 3 ms 16476 KB Output is correct
21 Correct 3 ms 16476 KB Output is correct
22 Correct 3 ms 16476 KB Output is correct
23 Correct 3 ms 16476 KB Output is correct
24 Correct 3 ms 16476 KB Output is correct
25 Correct 3 ms 16476 KB Output is correct
26 Correct 3 ms 16476 KB Output is correct
27 Correct 3 ms 16476 KB Output is correct
28 Correct 3 ms 16476 KB Output is correct
29 Correct 5 ms 16476 KB Output is correct
30 Correct 4 ms 16476 KB Output is correct
31 Correct 4 ms 16476 KB Output is correct
32 Correct 4 ms 16472 KB Output is correct
33 Correct 4 ms 16728 KB Output is correct
34 Correct 4 ms 16544 KB Output is correct
35 Correct 5 ms 16476 KB Output is correct
36 Correct 5 ms 16476 KB Output is correct
37 Correct 5 ms 16476 KB Output is correct
38 Correct 4 ms 16476 KB Output is correct
39 Correct 4 ms 16476 KB Output is correct
40 Correct 4 ms 16476 KB Output is correct
41 Correct 4 ms 16476 KB Output is correct
42 Correct 4 ms 16400 KB Output is correct
43 Correct 4 ms 16476 KB Output is correct
44 Correct 4 ms 16476 KB Output is correct
45 Correct 4 ms 16476 KB Output is correct
46 Correct 4 ms 16472 KB Output is correct
47 Correct 4 ms 16476 KB Output is correct
48 Correct 4 ms 16404 KB Output is correct
49 Correct 4 ms 16472 KB Output is correct
50 Correct 4 ms 16476 KB Output is correct
51 Correct 4 ms 16476 KB Output is correct
52 Correct 4 ms 16472 KB Output is correct
53 Correct 5 ms 16552 KB Output is correct
54 Correct 4 ms 16476 KB Output is correct

Subtask #3
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 16472 KB Output is correct
2 Correct 3 ms 16472 KB Output is correct
3 Correct 118 ms 21064 KB Output is correct
4 Correct 76 ms 25568 KB Output is correct
5 Correct 111 ms 26092 KB Output is correct
6 Correct 95 ms 21448 KB Output is correct
7 Correct 100 ms 21452 KB Output is correct
8 Correct 111 ms 20556 KB Output is correct
9 Correct 126 ms 21196 KB Output is correct
10 Correct 178 ms 28872 KB Output is correct
11 Correct 127 ms 21224 KB Output is correct
12 Correct 132 ms 25300 KB Output is correct
13 Correct 110 ms 19688 KB Output is correct
14 Correct 111 ms 20808 KB Output is correct
15 Correct 142 ms 21708 KB Output is correct
16 Correct 152 ms 27340 KB Output is correct

Subtask #4
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 16472 KB Output is correct
2 Correct 3 ms 16472 KB Output is correct
3 Correct 3 ms 16476 KB Output is correct
4 Correct 4 ms 16476 KB Output is correct
5 Correct 3 ms 16472 KB Output is correct
6 Correct 4 ms 16472 KB Output is correct
7 Correct 3 ms 16476 KB Output is correct
8 Correct 3 ms 16476 KB Output is correct
9 Correct 3 ms 16476 KB Output is correct
10 Correct 3 ms 16476 KB Output is correct
11 Correct 3 ms 16476 KB Output is correct
12 Correct 4 ms 16476 KB Output is correct
13 Correct 3 ms 16476 KB Output is correct
14 Correct 3 ms 16476 KB Output is correct
15 Correct 3 ms 16476 KB Output is correct
16 Correct 3 ms 16472 KB Output is correct
17 Correct 3 ms 16476 KB Output is correct
18 Correct 4 ms 16476 KB Output is correct
19 Correct 3 ms 16476 KB Output is correct
20 Correct 3 ms 16476 KB Output is correct
21 Correct 3 ms 16476 KB Output is correct
22 Correct 3 ms 16476 KB Output is correct
23 Correct 3 ms 16476 KB Output is correct
24 Correct 3 ms 16476 KB Output is correct
25 Correct 3 ms 16476 KB Output is correct
26 Correct 3 ms 16476 KB Output is correct
27 Correct 3 ms 16476 KB Output is correct
28 Correct 3 ms 16476 KB Output is correct
29 Correct 118 ms 21064 KB Output is correct
30 Correct 76 ms 25568 KB Output is correct
31 Correct 111 ms 26092 KB Output is correct
32 Correct 95 ms 21448 KB Output is correct
33 Correct 100 ms 21452 KB Output is correct
34 Correct 111 ms 20556 KB Output is correct
35 Correct 126 ms 21196 KB Output is correct
36 Correct 178 ms 28872 KB Output is correct
37 Correct 127 ms 21224 KB Output is correct
38 Correct 132 ms 25300 KB Output is correct
39 Correct 110 ms 19688 KB Output is correct
40 Correct 111 ms 20808 KB Output is correct
41 Correct 142 ms 21708 KB Output is correct
42 Correct 152 ms 27340 KB Output is correct
43 Correct 128 ms 21068 KB Output is correct
44 Correct 66 ms 26344 KB Output is correct
45 Correct 176 ms 28876 KB Output is correct
46 Correct 98 ms 21488 KB Output is correct
47 Correct 98 ms 21420 KB Output is correct
48 Correct 126 ms 21328 KB Output is correct
49 Correct 154 ms 28104 KB Output is correct
50 Correct 134 ms 20964 KB Output is correct
51 Correct 125 ms 21452 KB Output is correct
52 Correct 135 ms 28112 KB Output is correct
53 Correct 112 ms 19736 KB Output is correct
54 Correct 129 ms 20936 KB Output is correct
55 Correct 153 ms 21708 KB Output is correct
56 Correct 177 ms 28104 KB Output is correct

Subtask #5
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 16472 KB Output is correct
2 Correct 3 ms 16472 KB Output is correct
3 Correct 3 ms 16476 KB Output is correct
4 Correct 4 ms 16476 KB Output is correct
5 Correct 3 ms 16472 KB Output is correct
6 Correct 4 ms 16472 KB Output is correct
7 Correct 3 ms 16476 KB Output is correct
8 Correct 3 ms 16476 KB Output is correct
9 Correct 3 ms 16476 KB Output is correct
10 Correct 3 ms 16476 KB Output is correct
11 Correct 3 ms 16476 KB Output is correct
12 Correct 4 ms 16476 KB Output is correct
13 Correct 3 ms 16476 KB Output is correct
14 Correct 3 ms 16476 KB Output is correct
15 Correct 3 ms 16476 KB Output is correct
16 Correct 3 ms 16472 KB Output is correct
17 Correct 3 ms 16476 KB Output is correct
18 Correct 4 ms 16476 KB Output is correct
19 Correct 3 ms 16476 KB Output is correct
20 Correct 3 ms 16476 KB Output is correct
21 Correct 3 ms 16476 KB Output is correct
22 Correct 3 ms 16476 KB Output is correct
23 Correct 3 ms 16476 KB Output is correct
24 Correct 3 ms 16476 KB Output is correct
25 Correct 3 ms 16476 KB Output is correct
26 Correct 3 ms 16476 KB Output is correct
27 Correct 3 ms 16476 KB Output is correct
28 Correct 3 ms 16476 KB Output is correct
29 Correct 5 ms 16476 KB Output is correct
30 Correct 4 ms 16476 KB Output is correct
31 Correct 4 ms 16476 KB Output is correct
32 Correct 4 ms 16472 KB Output is correct
33 Correct 4 ms 16728 KB Output is correct
34 Correct 4 ms 16544 KB Output is correct
35 Correct 5 ms 16476 KB Output is correct
36 Correct 5 ms 16476 KB Output is correct
37 Correct 5 ms 16476 KB Output is correct
38 Correct 4 ms 16476 KB Output is correct
39 Correct 4 ms 16476 KB Output is correct
40 Correct 4 ms 16476 KB Output is correct
41 Correct 4 ms 16476 KB Output is correct
42 Correct 4 ms 16400 KB Output is correct
43 Correct 4 ms 16476 KB Output is correct
44 Correct 4 ms 16476 KB Output is correct
45 Correct 4 ms 16476 KB Output is correct
46 Correct 4 ms 16472 KB Output is correct
47 Correct 4 ms 16476 KB Output is correct
48 Correct 4 ms 16404 KB Output is correct
49 Correct 4 ms 16472 KB Output is correct
50 Correct 4 ms 16476 KB Output is correct
51 Correct 4 ms 16476 KB Output is correct
52 Correct 4 ms 16472 KB Output is correct
53 Correct 5 ms 16552 KB Output is correct
54 Correct 4 ms 16476 KB Output is correct
55 Correct 101 ms 20436 KB Output is correct
56 Correct 42 ms 26684 KB Output is correct
57 Correct 84 ms 26580 KB Output is correct
58 Correct 74 ms 20600 KB Output is correct
59 Correct 105 ms 20892 KB Output is correct
60 Correct 139 ms 23064 KB Output is correct
61 Correct 119 ms 20528 KB Output is correct
62 Correct 112 ms 25300 KB Output is correct
63 Correct 80 ms 19472 KB Output is correct
64 Correct 109 ms 20684 KB Output is correct
65 Correct 130 ms 24776 KB Output is correct

Subtask #6
0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 16472 KB Output is correct
2 Correct 3 ms 16472 KB Output is correct
3 Correct 3 ms 16476 KB Output is correct
4 Correct 4 ms 16476 KB Output is correct
5 Correct 3 ms 16472 KB Output is correct
6 Correct 4 ms 16472 KB Output is correct
7 Correct 3 ms 16476 KB Output is correct
8 Correct 3 ms 16476 KB Output is correct
9 Correct 3 ms 16476 KB Output is correct
10 Correct 3 ms 16476 KB Output is correct
11 Correct 3 ms 16476 KB Output is correct
12 Correct 4 ms 16476 KB Output is correct
13 Correct 3 ms 16476 KB Output is correct
14 Correct 3 ms 16476 KB Output is correct
15 Correct 3 ms 16476 KB Output is correct
16 Correct 3 ms 16472 KB Output is correct
17 Correct 3 ms 16476 KB Output is correct
18 Correct 4 ms 16476 KB Output is correct
19 Correct 3 ms 16476 KB Output is correct
20 Correct 3 ms 16476 KB Output is correct
21 Correct 3 ms 16476 KB Output is correct
22 Correct 3 ms 16476 KB Output is correct
23 Correct 3 ms 16476 KB Output is correct
24 Correct 3 ms 16476 KB Output is correct
25 Correct 3 ms 16476 KB Output is correct
26 Correct 3 ms 16476 KB Output is correct
27 Correct 3 ms 16476 KB Output is correct
28 Correct 3 ms 16476 KB Output is correct
29 Correct 5 ms 16476 KB Output is correct
30 Correct 4 ms 16476 KB Output is correct
31 Correct 4 ms 16476 KB Output is correct
32 Correct 4 ms 16472 KB Output is correct
33 Correct 4 ms 16728 KB Output is correct
34 Correct 4 ms 16544 KB Output is correct
35 Correct 5 ms 16476 KB Output is correct
36 Correct 5 ms 16476 KB Output is correct
37 Correct 5 ms 16476 KB Output is correct
38 Correct 4 ms 16476 KB Output is correct
39 Correct 4 ms 16476 KB Output is correct
40 Correct 4 ms 16476 KB Output is correct
41 Correct 4 ms 16476 KB Output is correct
42 Correct 4 ms 16400 KB Output is correct
43 Correct 4 ms 16476 KB Output is correct
44 Correct 4 ms 16476 KB Output is correct
45 Correct 4 ms 16476 KB Output is correct
46 Correct 4 ms 16472 KB Output is correct
47 Correct 4 ms 16476 KB Output is correct
48 Correct 4 ms 16404 KB Output is correct
49 Correct 4 ms 16472 KB Output is correct
50 Correct 4 ms 16476 KB Output is correct
51 Correct 4 ms 16476 KB Output is correct
52 Correct 4 ms 16472 KB Output is correct
53 Correct 5 ms 16552 KB Output is correct
54 Correct 4 ms 16476 KB Output is correct
55 Correct 118 ms 21064 KB Output is correct
56 Correct 76 ms 25568 KB Output is correct
57 Correct 111 ms 26092 KB Output is correct
58 Correct 95 ms 21448 KB Output is correct
59 Correct 100 ms 21452 KB Output is correct
60 Correct 111 ms 20556 KB Output is correct
61 Correct 126 ms 21196 KB Output is correct
62 Correct 178 ms 28872 KB Output is correct
63 Correct 127 ms 21224 KB Output is correct
64 Correct 132 ms 25300 KB Output is correct
65 Correct 110 ms 19688 KB Output is correct
66 Correct 111 ms 20808 KB Output is correct
67 Correct 142 ms 21708 KB Output is correct
68 Correct 152 ms 27340 KB Output is correct
69 Correct 128 ms 21068 KB Output is correct
70 Correct 66 ms 26344 KB Output is correct
71 Correct 176 ms 28876 KB Output is correct
72 Correct 98 ms 21488 KB Output is correct
73 Correct 98 ms 21420 KB Output is correct
74 Correct 126 ms 21328 KB Output is correct
75 Correct 154 ms 28104 KB Output is correct
76 Correct 134 ms 20964 KB Output is correct
77 Correct 125 ms 21452 KB Output is correct
78 Correct 135 ms 28112 KB Output is correct
79 Correct 112 ms 19736 KB Output is correct
80 Correct 129 ms 20936 KB Output is correct
81 Correct 153 ms 21708 KB Output is correct
82 Correct 177 ms 28104 KB Output is correct
83 Correct 101 ms 20436 KB Output is correct
84 Correct 42 ms 26684 KB Output is correct
85 Correct 84 ms 26580 KB Output is correct
86 Correct 74 ms 20600 KB Output is correct
87 Correct 105 ms 20892 KB Output is correct
88 Correct 139 ms 23064 KB Output is correct
89 Correct 119 ms 20528 KB Output is correct
90 Correct 112 ms 25300 KB Output is correct
91 Correct 80 ms 19472 KB Output is correct
92 Correct 109 ms 20684 KB Output is correct
93 Correct 130 ms 24776 KB Output is correct
94 Correct 119 ms 20968 KB Output is correct
95 Incorrect 126 ms 27388 KB Output isn't correct
96 Halted 0 ms 0 KB -