#include "circuit.h"
#include <bits/stdc++.h>
#define fr(i, a, b) for(int i = a; i <= b; i++)
#define rf(i, a, b) for(int i = a; i >= b; i--)
#define fe(x, y) for (auto& x : y)
#define fi first
#define se second
#define pb push_back
#define all(x) x.begin(), x.end()
#define pw(x) (1LL << (x))
#define sz(x) (int)x.size()
using namespace std;
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
#define fbo find_by_order
#define ook order_of_key
template <typename T>
using oset = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
template <typename T>
using ve = vector <T>;
template <typename T>
bool umx (T& a, T b) { return a < b ? a = b, 1 : 0; }
template <typename T>
bool umn (T& a, T b) { return a > b ? a = b, 1 : 0; }
using ll = long long;
using ld = long double;
using pll = pair <ll, ll>;
using pii = pair <int, int>;
using ull = unsigned long long;
const int oo = 1e9;
const ll OO = 1e18;
const int N = 2e5 + 10;
const int M = 5e3 + 100;
const int mod = 1e9 + 2022;
int a[N];
int dp[N][2];
int dp1[N][2];
bool rev[N];
ve <int> G[N];
void push(int v) {
if(!rev[v]) return;
fe (to, G[v]) {
swap(dp1[to], dp[to]);
rev[to] ^= 1;
}
rev[v] = 0;
}
int n, m;
int add(int a, int b) {
return a + b < mod ? a + b : a + b - mod;
}
int mul (int a, int b) {
return 1LL * a * b % mod;
}
int tin[N];
int tout[N];
int tim;
int mn[N];
int mx[N];
bool isupper(int u, int v) {
return tin[u] <= tin[v] && tout[v] <= tout[u];
}
void dfs(int u) {
tin[u] = tim++;
if (!sz(G[u])) {
mn[u] = u;
mx[u] = u;
if(a[u]) {
dp[u][0] = 0;
dp[u][1] = 1;
dp1[u][0] = 1;
dp1[u][1] = 0;
} else {
dp[u][0] = 1;
dp[u][1] = 0;
dp1[u][1] = 1;
dp1[u][0] = 0;
}
return;
}
mx[u] = -oo;
mn[u] = oo;
for (auto to : G[u]) {
dfs(to);
mx[u] = max(mx[u], mx[to]);
mn[u] = min(mn[u], mn[to]);
}
ve <ve <int>> d(sz(G[u]) + 1);
ve <ve <int>> d1(sz(G[u]) + 1);
fe (x, d) x.resize(sz(G[u]) + 1);
fe (x, d1) x.resize(sz(G[u]) + 1);
d[0][0] = 1;
d1[0][0] = 1;
for (int i = 0; i < sz(G[u]); i++) {
int to = G[u][i];
for (int cnt_al = 0; cnt_al <= i; cnt_al++) {
d[i + 1][cnt_al + 1] = add(d[i + 1][cnt_al + 1], mul(d[i][cnt_al], dp[to][1]));
d[i + 1][cnt_al] = add(d[i + 1][cnt_al], mul(d[i][cnt_al], dp[to][0]));
d1[i + 1][cnt_al + 1] = add(d1[i + 1][cnt_al + 1], mul(d1[i][cnt_al], dp1[to][1]));
d1[i + 1][cnt_al] = add(d1[i + 1][cnt_al], mul(d1[i][cnt_al], dp1[to][0]));
}
}
dp[u][0] = dp[u][1] = 0;
for (int cnt_al = 0; cnt_al <= sz(G[u]); cnt_al++) {
dp[u][1] = add(dp[u][1], mul(d[sz(G[u])][cnt_al], max(0, cnt_al)));
dp[u][0] = add(dp[u][0], mul(d[sz(G[u])][cnt_al], sz(G[u]) - cnt_al));
}
dp1[u][0] = dp1[u][1] = 0;
for (int cnt_al = 0; cnt_al <= sz(G[u]); cnt_al++) {
dp1[u][1] = add(dp1[u][1], mul(d1[sz(G[u])][cnt_al], max(0, cnt_al)));
dp1[u][0] = add(dp1[u][0], mul(d1[sz(G[u])][cnt_al], sz(G[u]) - cnt_al));
}
tout[u] = tim;
}
void calc(int u, int L, int R) {
umx(L, mn[u]);
umn(R, mx[u]);
if (L > mx[u] || R < mn[u] || L > R) return;
if (L == mn[u] && R == mx[u]) {
rev[u] ^= 1;
swap(dp[u], dp1[u]);
return;
}
push(u);
for (auto to : G[u]) calc(to, L, R);
ve <ve <int>> d(sz(G[u]) + 1);
ve <ve <int>> d1(sz(G[u]) + 1);
fe (x, d) x.resize(sz(G[u]) + 1);
fe (x, d1) x.resize(sz(G[u]) + 1);
d[0][0] = 1;
d1[0][0] = 1;
for (int i = 0; i < sz(G[u]); i++) {
int to = G[u][i];
for (int cnt_al = 0; cnt_al <= i; cnt_al++) {
d[i + 1][cnt_al + 1] = add(d[i + 1][cnt_al + 1], mul(d[i][cnt_al], dp[to][1]));
d[i + 1][cnt_al] = add(d[i + 1][cnt_al], mul(d[i][cnt_al], dp[to][0]));
d1[i + 1][cnt_al + 1] = add(d1[i + 1][cnt_al + 1], mul(d1[i][cnt_al], dp1[to][1]));
d1[i + 1][cnt_al] = add(d1[i + 1][cnt_al], mul(d1[i][cnt_al], dp1[to][0]));
}
}
dp[u][0] = dp[u][1] = 0;
for (int cnt_al = 0; cnt_al <= sz(G[u]); cnt_al++) {
dp[u][1] = add(dp[u][1], mul(d[sz(G[u])][cnt_al], max(0, cnt_al)));
dp[u][0] = add(dp[u][0], mul(d[sz(G[u])][cnt_al], sz(G[u]) - cnt_al));
}
dp1[u][0] = dp1[u][1] = 0;
for (int cnt_al = 0; cnt_al <= sz(G[u]); cnt_al++) {
dp1[u][1] = add(dp1[u][1], mul(d1[sz(G[u])][cnt_al], max(0, cnt_al)));
dp1[u][0] = add(dp1[u][0], mul(d1[sz(G[u])][cnt_al], sz(G[u]) - cnt_al));
}
}
void init(int N, int M, vector<int> P, vector<int> A) {
n = N;
m = M;
for (int i = 0; i < M; i++) a[i + N] = A[i];
for (int i = 1; i < N + M; i++) G[P[i]].pb(i);
dfs(0);
}
int count_ways(int L, int R) {
if (n <= 1000) {
for (int i = L; i <= R; i++) {
a[i] = 1 - a[i];
}
}
if (__builtin_popcountll(m) == 1 && n == m - 1) {
calc(0, L, R);
} else dfs(0);
return dp[0][1];
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
4944 KB |
Output is correct |
2 |
Correct |
2 ms |
5000 KB |
Output is correct |
3 |
Correct |
41 ms |
12584 KB |
Output is correct |
4 |
Correct |
40 ms |
13044 KB |
Output is correct |
5 |
Correct |
44 ms |
13016 KB |
Output is correct |
6 |
Correct |
41 ms |
13028 KB |
Output is correct |
7 |
Correct |
41 ms |
13012 KB |
Output is correct |
8 |
Correct |
53 ms |
13008 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
5028 KB |
Output is correct |
2 |
Correct |
3 ms |
5080 KB |
Output is correct |
3 |
Correct |
3 ms |
5072 KB |
Output is correct |
4 |
Correct |
3 ms |
5072 KB |
Output is correct |
5 |
Correct |
3 ms |
5072 KB |
Output is correct |
6 |
Correct |
3 ms |
5072 KB |
Output is correct |
7 |
Correct |
4 ms |
5140 KB |
Output is correct |
8 |
Correct |
4 ms |
5072 KB |
Output is correct |
9 |
Correct |
5 ms |
5072 KB |
Output is correct |
10 |
Correct |
6 ms |
5328 KB |
Output is correct |
11 |
Correct |
5 ms |
5328 KB |
Output is correct |
12 |
Correct |
4 ms |
5072 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
4944 KB |
Output is correct |
2 |
Correct |
2 ms |
5000 KB |
Output is correct |
3 |
Correct |
41 ms |
12584 KB |
Output is correct |
4 |
Correct |
40 ms |
13044 KB |
Output is correct |
5 |
Correct |
44 ms |
13016 KB |
Output is correct |
6 |
Correct |
41 ms |
13028 KB |
Output is correct |
7 |
Correct |
41 ms |
13012 KB |
Output is correct |
8 |
Correct |
53 ms |
13008 KB |
Output is correct |
9 |
Correct |
3 ms |
5028 KB |
Output is correct |
10 |
Correct |
3 ms |
5080 KB |
Output is correct |
11 |
Correct |
3 ms |
5072 KB |
Output is correct |
12 |
Correct |
3 ms |
5072 KB |
Output is correct |
13 |
Correct |
3 ms |
5072 KB |
Output is correct |
14 |
Correct |
3 ms |
5072 KB |
Output is correct |
15 |
Correct |
4 ms |
5140 KB |
Output is correct |
16 |
Correct |
4 ms |
5072 KB |
Output is correct |
17 |
Correct |
5 ms |
5072 KB |
Output is correct |
18 |
Correct |
6 ms |
5328 KB |
Output is correct |
19 |
Correct |
5 ms |
5328 KB |
Output is correct |
20 |
Correct |
4 ms |
5072 KB |
Output is correct |
21 |
Correct |
4 ms |
5072 KB |
Output is correct |
22 |
Correct |
3 ms |
5072 KB |
Output is correct |
23 |
Correct |
4 ms |
5072 KB |
Output is correct |
24 |
Correct |
6 ms |
5072 KB |
Output is correct |
25 |
Correct |
5 ms |
5072 KB |
Output is correct |
26 |
Correct |
4 ms |
5160 KB |
Output is correct |
27 |
Correct |
4 ms |
5056 KB |
Output is correct |
28 |
Correct |
7 ms |
5072 KB |
Output is correct |
29 |
Correct |
41 ms |
13024 KB |
Output is correct |
30 |
Correct |
41 ms |
13032 KB |
Output is correct |
31 |
Correct |
5 ms |
5200 KB |
Output is correct |
32 |
Correct |
6 ms |
5148 KB |
Output is correct |
33 |
Correct |
4 ms |
5072 KB |
Output is correct |
34 |
Correct |
3 ms |
5072 KB |
Output is correct |
35 |
Correct |
10 ms |
5492 KB |
Output is correct |
36 |
Correct |
4 ms |
5308 KB |
Output is correct |
37 |
Correct |
57 ms |
13264 KB |
Output is correct |
38 |
Correct |
45 ms |
13216 KB |
Output is correct |
39 |
Correct |
3 ms |
5072 KB |
Output is correct |
40 |
Correct |
3 ms |
5072 KB |
Output is correct |
41 |
Correct |
3 ms |
5072 KB |
Output is correct |
42 |
Correct |
4 ms |
5072 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
818 ms |
8768 KB |
Output is correct |
2 |
Correct |
1385 ms |
12696 KB |
Output is correct |
3 |
Correct |
1246 ms |
12680 KB |
Output is correct |
4 |
Correct |
1243 ms |
12676 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
818 ms |
8768 KB |
Output is correct |
2 |
Correct |
1385 ms |
12696 KB |
Output is correct |
3 |
Correct |
1246 ms |
12680 KB |
Output is correct |
4 |
Correct |
1243 ms |
12676 KB |
Output is correct |
5 |
Correct |
1118 ms |
8800 KB |
Output is correct |
6 |
Correct |
1474 ms |
12788 KB |
Output is correct |
7 |
Correct |
1423 ms |
12616 KB |
Output is correct |
8 |
Correct |
1225 ms |
12616 KB |
Output is correct |
9 |
Correct |
597 ms |
5200 KB |
Output is correct |
10 |
Correct |
1087 ms |
5524 KB |
Output is correct |
11 |
Correct |
1160 ms |
5456 KB |
Output is correct |
12 |
Correct |
1042 ms |
5456 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
5028 KB |
Output is correct |
2 |
Correct |
3 ms |
5080 KB |
Output is correct |
3 |
Correct |
3 ms |
5072 KB |
Output is correct |
4 |
Correct |
3 ms |
5072 KB |
Output is correct |
5 |
Correct |
3 ms |
5072 KB |
Output is correct |
6 |
Correct |
3 ms |
5072 KB |
Output is correct |
7 |
Correct |
4 ms |
5140 KB |
Output is correct |
8 |
Correct |
4 ms |
5072 KB |
Output is correct |
9 |
Correct |
5 ms |
5072 KB |
Output is correct |
10 |
Correct |
6 ms |
5328 KB |
Output is correct |
11 |
Correct |
5 ms |
5328 KB |
Output is correct |
12 |
Correct |
4 ms |
5072 KB |
Output is correct |
13 |
Correct |
818 ms |
8768 KB |
Output is correct |
14 |
Correct |
1385 ms |
12696 KB |
Output is correct |
15 |
Correct |
1246 ms |
12680 KB |
Output is correct |
16 |
Correct |
1243 ms |
12676 KB |
Output is correct |
17 |
Correct |
1118 ms |
8800 KB |
Output is correct |
18 |
Correct |
1474 ms |
12788 KB |
Output is correct |
19 |
Correct |
1423 ms |
12616 KB |
Output is correct |
20 |
Correct |
1225 ms |
12616 KB |
Output is correct |
21 |
Correct |
597 ms |
5200 KB |
Output is correct |
22 |
Correct |
1087 ms |
5524 KB |
Output is correct |
23 |
Correct |
1160 ms |
5456 KB |
Output is correct |
24 |
Correct |
1042 ms |
5456 KB |
Output is correct |
25 |
Execution timed out |
3094 ms |
16556 KB |
Time limit exceeded |
26 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
4944 KB |
Output is correct |
2 |
Correct |
2 ms |
5000 KB |
Output is correct |
3 |
Correct |
41 ms |
12584 KB |
Output is correct |
4 |
Correct |
40 ms |
13044 KB |
Output is correct |
5 |
Correct |
44 ms |
13016 KB |
Output is correct |
6 |
Correct |
41 ms |
13028 KB |
Output is correct |
7 |
Correct |
41 ms |
13012 KB |
Output is correct |
8 |
Correct |
53 ms |
13008 KB |
Output is correct |
9 |
Correct |
3 ms |
5028 KB |
Output is correct |
10 |
Correct |
3 ms |
5080 KB |
Output is correct |
11 |
Correct |
3 ms |
5072 KB |
Output is correct |
12 |
Correct |
3 ms |
5072 KB |
Output is correct |
13 |
Correct |
3 ms |
5072 KB |
Output is correct |
14 |
Correct |
3 ms |
5072 KB |
Output is correct |
15 |
Correct |
4 ms |
5140 KB |
Output is correct |
16 |
Correct |
4 ms |
5072 KB |
Output is correct |
17 |
Correct |
5 ms |
5072 KB |
Output is correct |
18 |
Correct |
6 ms |
5328 KB |
Output is correct |
19 |
Correct |
5 ms |
5328 KB |
Output is correct |
20 |
Correct |
4 ms |
5072 KB |
Output is correct |
21 |
Correct |
4 ms |
5072 KB |
Output is correct |
22 |
Correct |
3 ms |
5072 KB |
Output is correct |
23 |
Correct |
4 ms |
5072 KB |
Output is correct |
24 |
Correct |
6 ms |
5072 KB |
Output is correct |
25 |
Correct |
5 ms |
5072 KB |
Output is correct |
26 |
Correct |
4 ms |
5160 KB |
Output is correct |
27 |
Correct |
4 ms |
5056 KB |
Output is correct |
28 |
Correct |
7 ms |
5072 KB |
Output is correct |
29 |
Correct |
41 ms |
13024 KB |
Output is correct |
30 |
Correct |
41 ms |
13032 KB |
Output is correct |
31 |
Correct |
5 ms |
5200 KB |
Output is correct |
32 |
Correct |
6 ms |
5148 KB |
Output is correct |
33 |
Correct |
4 ms |
5072 KB |
Output is correct |
34 |
Correct |
3 ms |
5072 KB |
Output is correct |
35 |
Correct |
10 ms |
5492 KB |
Output is correct |
36 |
Correct |
4 ms |
5308 KB |
Output is correct |
37 |
Correct |
57 ms |
13264 KB |
Output is correct |
38 |
Correct |
45 ms |
13216 KB |
Output is correct |
39 |
Correct |
3 ms |
5072 KB |
Output is correct |
40 |
Correct |
3 ms |
5072 KB |
Output is correct |
41 |
Correct |
3 ms |
5072 KB |
Output is correct |
42 |
Correct |
4 ms |
5072 KB |
Output is correct |
43 |
Execution timed out |
3078 ms |
5328 KB |
Time limit exceeded |
44 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
4944 KB |
Output is correct |
2 |
Correct |
2 ms |
5000 KB |
Output is correct |
3 |
Correct |
41 ms |
12584 KB |
Output is correct |
4 |
Correct |
40 ms |
13044 KB |
Output is correct |
5 |
Correct |
44 ms |
13016 KB |
Output is correct |
6 |
Correct |
41 ms |
13028 KB |
Output is correct |
7 |
Correct |
41 ms |
13012 KB |
Output is correct |
8 |
Correct |
53 ms |
13008 KB |
Output is correct |
9 |
Correct |
3 ms |
5028 KB |
Output is correct |
10 |
Correct |
3 ms |
5080 KB |
Output is correct |
11 |
Correct |
3 ms |
5072 KB |
Output is correct |
12 |
Correct |
3 ms |
5072 KB |
Output is correct |
13 |
Correct |
3 ms |
5072 KB |
Output is correct |
14 |
Correct |
3 ms |
5072 KB |
Output is correct |
15 |
Correct |
4 ms |
5140 KB |
Output is correct |
16 |
Correct |
4 ms |
5072 KB |
Output is correct |
17 |
Correct |
5 ms |
5072 KB |
Output is correct |
18 |
Correct |
6 ms |
5328 KB |
Output is correct |
19 |
Correct |
5 ms |
5328 KB |
Output is correct |
20 |
Correct |
4 ms |
5072 KB |
Output is correct |
21 |
Correct |
4 ms |
5072 KB |
Output is correct |
22 |
Correct |
3 ms |
5072 KB |
Output is correct |
23 |
Correct |
4 ms |
5072 KB |
Output is correct |
24 |
Correct |
6 ms |
5072 KB |
Output is correct |
25 |
Correct |
5 ms |
5072 KB |
Output is correct |
26 |
Correct |
4 ms |
5160 KB |
Output is correct |
27 |
Correct |
4 ms |
5056 KB |
Output is correct |
28 |
Correct |
7 ms |
5072 KB |
Output is correct |
29 |
Correct |
41 ms |
13024 KB |
Output is correct |
30 |
Correct |
41 ms |
13032 KB |
Output is correct |
31 |
Correct |
5 ms |
5200 KB |
Output is correct |
32 |
Correct |
6 ms |
5148 KB |
Output is correct |
33 |
Correct |
4 ms |
5072 KB |
Output is correct |
34 |
Correct |
3 ms |
5072 KB |
Output is correct |
35 |
Correct |
10 ms |
5492 KB |
Output is correct |
36 |
Correct |
4 ms |
5308 KB |
Output is correct |
37 |
Correct |
57 ms |
13264 KB |
Output is correct |
38 |
Correct |
45 ms |
13216 KB |
Output is correct |
39 |
Correct |
3 ms |
5072 KB |
Output is correct |
40 |
Correct |
3 ms |
5072 KB |
Output is correct |
41 |
Correct |
3 ms |
5072 KB |
Output is correct |
42 |
Correct |
4 ms |
5072 KB |
Output is correct |
43 |
Correct |
818 ms |
8768 KB |
Output is correct |
44 |
Correct |
1385 ms |
12696 KB |
Output is correct |
45 |
Correct |
1246 ms |
12680 KB |
Output is correct |
46 |
Correct |
1243 ms |
12676 KB |
Output is correct |
47 |
Correct |
1118 ms |
8800 KB |
Output is correct |
48 |
Correct |
1474 ms |
12788 KB |
Output is correct |
49 |
Correct |
1423 ms |
12616 KB |
Output is correct |
50 |
Correct |
1225 ms |
12616 KB |
Output is correct |
51 |
Correct |
597 ms |
5200 KB |
Output is correct |
52 |
Correct |
1087 ms |
5524 KB |
Output is correct |
53 |
Correct |
1160 ms |
5456 KB |
Output is correct |
54 |
Correct |
1042 ms |
5456 KB |
Output is correct |
55 |
Execution timed out |
3094 ms |
16556 KB |
Time limit exceeded |
56 |
Halted |
0 ms |
0 KB |
- |