#include "circuit.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int Max = 1e5 + 1;
const int Mod = 1e9 + 2022;
ll n, m, dp[Max << 1][2];
vector<int> adj[Max];
void init(int N, int M, vector<int> P, vector<int> A) {
n = N, m = M;
for (int i = 1; i < N + M; i++) {
adj[P[i]].push_back(i);
}
for (int i = 0; i < M; i++) {
dp[N + i][A[i]] = 1;
}
}
int count_ways(int L, int R) {
for (int i = L; i <= R; i++) {
swap(dp[i][0], dp[i][1]);
}
for (int i = N - 1; i >= 0; i--) {
int l = adj[i][0];
int r = adj[i][1];
dp[i][0] = (dp[l][1] * dp[r][0] + dp[l][0] * dp[r][1] + 2 * dp[l][0] * dp[r][0]) % Mod;
dp[i][1] = (dp[l][1] * dp[r][0] + dp[l][0] * dp[r][1] + 2 * dp[l][1] * dp[r][1]) % Mod;
}
return dp[0][1];
}
Compilation message
circuit.cpp: In function 'int count_ways(int, int)':
circuit.cpp:30:18: error: 'N' was not declared in this scope
30 | for (int i = N - 1; i >= 0; i--) {
| ^
