#include <algorithm>
#include <iostream>
#include <queue>
#include <utility>
#include <vector>

using namespace std;

int main() {
    int n, m;
    cin >> n >> m;
    vector<pair<int, int>> ab(n);
    for (int i = 0; i < n; ++i) cin >> ab[i].first;
    for (int i = 0; i < n; ++i) cin >> ab[i].second;
    vector<int> t0, t1;
    for (int i = 0; i < m; ++i) {
        int t, c;
        cin >> t >> c;
        if (t == 0) {
            t0.push_back(c);
        } else {
            t1.push_back(c);
        }
    }

    sort(t0.begin(), t0.end());
    sort(t1.begin(), t1.end());
    priority_queue<pair<int, int>, vector<pair<int, int>>, greater<>> small;
    priority_queue<int> large;
    for (int i = 0; i < n; ++i) {
        small.emplace(ab[i]);
    }
    for (const auto x : t0) {
        while (small.size() && small.top().first <= x) {
            auto [a, b] = small.top();
            small.pop();
            large.emplace(b);
        }
        if (large.empty()) {
            continue;
        }
        large.pop();
    }
    vector<int> min_v;
    while (small.size()) {
        auto [a, b] = small.top();
        small.pop();
        min_v.push_back(b);
    }
    while (large.size()) {
        min_v.push_back(large.top());
        large.pop();
    }
    sort(min_v.rbegin(), min_v.rend());
    for (const auto x : t1) {
        if (min_v.empty()) {
            break;
        }
        if (min_v.back() <= x) {
            min_v.pop_back();
        }
    }
    cout << min_v.size() << endl;
    return 0;
}