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();
    }
    static void Solve()
    {
        var c = NList;
        var (n, m) = (c[0], c[1]);
        var a = NList;
        var b = NList;
        var map = NArr(m);
        var list = new List<(int id, int b)>(n);
        for (var i = 0; i < n; ++i) list.Add((i, b[i]));
        list.Sort((l, r) => r.b.CompareTo(l.b));
        var mmas = new List<int>();
        var ppls = new List<int>();
        for (var i = 0; i < m; ++i)
        {
            if (map[i][0] == 0) ppls.Add(map[i][1]);
            else mmas.Add(map[i][1]);
        }
        mmas.Sort();
        ppls.Sort();
        var q = new PriorityQueue<int>(n, true);
        var ans = n;
        for (var i = 0; i < mmas.Count; ++i)
        {
            while (list.Count > 0 && list[list.Count - 1].b <= mmas[i])
            {
                q.Enqueue(a[list[list.Count - 1].id]);
                list.RemoveAt(list.Count - 1);
            }
            q.Dequeue();
            --ans;
        }
        var rest = new List<int>(list.Select(li => a[li.id]));
        while (q.Count > 0) rest.Add(q.Dequeue());
        rest.Sort((l, r) => r.CompareTo(l));
        for (var i = 0; i < ppls.Count; ++i)
        {
            if (rest.Count > 0 && rest[rest.Count - 1] <= ppls[i])
            {
                --ans;
                rest.RemoveAt(rest.Count - 1);
            }
        }
        WriteLine(ans);
    }
    class PriorityQueue<T> where T : IComparable<T>
    {
        public T[] List;
        public int Count;
        bool IsTopMax;
        public PriorityQueue(int count, bool isTopMax)
        {
            IsTopMax = isTopMax;
            List = new T[Math.Max(128, count)];
        }
        public void Enqueue(T value)
        {
            if (Count == List.Length)
            {
                var newlist = new T[List.Length * 2];
                for (var i = 0; i < List.Length; ++i) newlist[i] = List[i];
                List = newlist;
            }
            var pos = Count;
            List[pos] = value;
            ++Count;
            while (pos > 0)
            {
                var parent = (pos - 1) / 2;
                if (Calc(List[parent], List[pos], true)) break;
                Swap(parent, pos);
                pos = parent;
            }
        }
        public T Dequeue()
        {
            --Count;
            Swap(0, Count);
            var pos = 0;
            while (true)
            {
                var child = pos * 2 + 1;
                if (child >= Count) break;
                if (child + 1 < Count && Calc(List[child + 1], List[child], false)) ++child;
                if (Calc(List[pos], List[child], true)) break;
                Swap(pos, child);
                pos = child;
            }
            return List[Count];
        }
        bool Calc(T a, T b, bool equalVal)
        {
            var ret = a.CompareTo(b);
            if (ret == 0 && equalVal) return true;
            return IsTopMax ? ret > 0 : ret < 0;
        }
        void Swap(int a, int b)
        {
            var tmp = List[a];
            List[a] = List[b];
            List[b] = tmp;
        }
    }
}