import sys from bisect import bisect_left def main(): sys.setrecursionlimit(1 << 25) input = sys.stdin.read data = input().split() ptr = 0 N = int(data[ptr]) ptr += 1 edges = [[] for _ in range(N)] for _ in range(N-1): u = int(data[ptr]) v = int(data[ptr+1]) ptr += 2 edges[u].append(v) edges[v].append(u) A = list(map(int, data[ptr:ptr+N])) ptr += N Q = int(data[ptr]) ptr += 1 queries = [] for _ in range(Q): a_prime = int(data[ptr]) b_prime = int(data[ptr+1]) k_prime = int(data[ptr+2]) delta = int(data[ptr+3]) ptr += 4 queries.append((a_prime, b_prime, k_prime, delta)) LOG = 20 parent = [[-1]*N for _ in range(LOG)] depth = [0]*N visited = [False]*N from collections import deque q = deque() q.append(0) visited[0] = True parent[0][0] = -1 while q: u = q.popleft() for v in edges[u]: if not visited[v]: visited[v] = True depth[v] = depth[u] + 1 parent[0][v] = u q.append(v) for k in range(1, LOG): for v in range(N): if parent[k-1][v] != -1: parent[k][v] = parent[k-1][parent[k-1][v]] else: parent[k][v] = -1 def lca(u, v): if depth[u] < depth[v]: u, v = v, u for k in range(LOG-1, -1, -1): if depth[u] - (1 << k) >= depth[v]: u = parent[k][u] if u == v: return u for k in range(LOG-1, -1, -1): if parent[k][u] != -1 and parent[k][u] != parent[k][v]: u = parent[k][u] v = parent[k][v] return parent[0][u] def dist(u, v): return depth[u] + depth[v] - 2 * depth[lca(u, v)] X = [] for i in range(Q): a_prime, b_prime, k_prime, delta = queries[i] a = a_prime b = b_prime if i > 0: sum_x = sum(X) a = (a_prime + sum_x) % N b = (b_prime + 2 * sum_x) % N k = (k_prime + sum_x ** 2) % 150001 else: k = k_prime l = min(a, b) r = max(a, b) + 1 S = list(range(l, r)) best_v = -1 min_f = float('inf') for v in S: total = 0 for w in S: total += (A[w] + k) * dist(v, w) total += 1e-100 * dist(v, delta) if total < min_f: min_f = total best_v = v X.append(best_v) for x in X: print(x) if __name__ == "__main__": main()