using System; using static System.Console; using System.Linq; using System.Collections.Generic; class Program { static int NN => int.Parse(ReadLine()); static int[] NList => ReadLine().Split().Select(int.Parse).ToArray(); static int[][] NArr(long n) => Enumerable.Repeat(0, (int)n).Select(_ => NList).ToArray(); public static void Main() { // Solve(); Test(); } static void Test() { var r = new Random(); var n = 100000; var m = 100000; var q = 100000; var a = new int[n]; for (var i = 0; i < n; ++i) a[i] = r.Next(1000) + 1; var map = new int[m][]; var query = new int[q][]; var set = new HashSet<long>(); for (var i = 0; i < m; ++i) { while (true) { var u = r.Next(n) + 1; var v = r.Next(n) + 1; if (u > v) (u, v) = (v, u); if (u != v && set.Add(u * 200000L + v)) { map[i] = new int[] { u, v }; break; } } } for (var i = 0; i < q; ++i) { var id = r.Next(1, 4); if (id == 1) { query[i] = new int[] { id, r.Next(n) + 1, r.Next(n) + 1 }; if (query[i][1] == query[i][2]) query[i][2] = query[i][2] % n + 1; } else if (id == 2) { query[i] = new int[] { id, r.Next(n) + 1, r.Next(1000) + 1 }; } else { query[i] = new int[] { id, r.Next(n) + 1 }; } } var start = DateTime.Now; var ans = Choco(n, m, map, a, q, query); WriteLine((DateTime.Now - start).TotalSeconds); WriteLine(string.Join(" ", ans.Take(5))); } static void Solve() { var c = NList; var (n, m) = (c[0], c[1]); var map = NArr(m); var a = NList; var q = NN; var query = NArr(q); WriteLine(string.Join("\n", Choco(n, m, map, a, q, query))); } static List<long> Choco(int n, int m, int[][] map, int[] a, int q, int[][] query) { var tree = new HashSet<int>[n]; for (var i = 0; i < tree.Length; ++i) tree[i] = new HashSet<int>(); var tmax = new int[n]; foreach (var edge in map) { tree[edge[0] - 1].Add(edge[1] - 1); tree[edge[1] - 1].Add(edge[0] - 1); ++tmax[edge[0] - 1]; ++tmax[edge[1] - 1]; } var sq = (int)Math.Sqrt(q) * 20; var count = new long[n]; var ans = new List<long>(); for (var i = 0; i < q; i += sq) { for (var j = 0; j < n; ++j) { count[j] = 0; foreach (var next in tree[j]) count[j] += a[next]; } var clist = new HashSet<int>(); for (var j = i; j < q && j < i + sq; ++j) if (query[j][0] == 3) clist.Add(query[j][1] - 1); for (var j = i; j < q && j < i + sq; ++j) { if (query[j][0] == 1) { var u = query[j][1] - 1; var v = query[j][2] - 1; if (tree[u].Contains(v)) { tree[u].Remove(v); if (tree[u].Count > 10 && tree[u].Count < tmax[u] / 2) { tree[u] = new HashSet<int>(tree[u]); tmax[u] = tree[u].Count; } tree[v].Remove(u); if (tree[v].Count > 10 && tree[v].Count < tmax[v] / 2) { tree[v] = new HashSet<int>(tree[v]); tmax[v] = tree[v].Count; } count[u] -= a[v]; count[v] -= a[u]; } else { tree[u].Add(v); tmax[u] = Math.Max(tmax[u], tree[u].Count); tree[v].Add(u); tmax[v] = Math.Max(tmax[v], tree[v].Count); count[u] += a[v]; count[v] += a[u]; } } else if (query[j][0] == 2) { var p = query[j][1] - 1; var na = query[j][2]; foreach (var ci in tree[p]) if (tree[ci].Contains(p)) { count[ci] += na - a[p]; } a[p] = na; } else { ans.Add(count[query[j][1] - 1]); } } } return ans; } }