#include "testlib.h" #include using namespace std; using ll = long long; using pii = pair; using pll = pair; using vi = vector; using vl = vector; #define rep3(i, a, b, c) for (ll i = (a); i < (b); i += (c)) #define rep2(i, a, b) rep3(i, a, b, 1) #define rep1(i, n) rep2(i, 0, n) #define rep0(n) rep1(aaaaa, n) #define ov4(a, b, c, d, name, ...) name #define rep(...) ov4(__VA_ARGS__, rep3, rep2, rep1, rep0)(__VA_ARGS__) #define per(i, a, b) for (ll i = (a) - 1; i >= (b); i--) #define fore(e, v) for (auto &&e : v) #define all(a) begin(a), end(a) #define sz(a) (int)(size(a)) #define lb(v, x) (lower_bound(all(v), x) - begin(v)) #define eb emplace_back template bool chmin(T &a, const S &b) { return a > b ? a = b, 1 : 0; } template bool chmax(T &a, const S &b) { return a < b ? a = b, 1 : 0; } const int INF = 1e9 + 100; const ll INFL = 3e18 + 100; #define i128 __int128_t struct _ { _() { cin.tie(0)->sync_with_stdio(0), cout.tie(0); } } __; const int MIN_N = 2, MAX_N = 100'000; const int MIN_A = 1, MAX_A = 1'000'000'000; int main() { registerValidation(); int N = inf.readInt(); inf.readEoln(); vi A(N); rep(i, N) { if (i) inf.readSpace(); A[i] = inf.readInt(MIN_A, MAX_A); } inf.readEoln(); rep(i, N - 1) { if (i) inf.readSpace(); inf.readInt(1, A[i + 1]); } inf.readEoln(); vi C(N - 1); rep(i, N - 1) { if (i) inf.readSpace(); C[i] = inf.readInt(MIN_A, MAX_A); } inf.readEoln(); rep(i, N - 1) { if (i) inf.readSpace(); int P = inf.readInt(1, i + 1); ensure(C[i] <= A[P - 1]); } inf.readEoln(); inf.readEof(); }