import sys
input = sys.stdin.readline

N, M = map(int, input().split())
A = list(map(int, input().split()))
B = list(map(int, input().split()))
D = []
for i in range(N):
    D.append([A[i], B[i], 0])
L = [[-1], [-1]]
for i in range(M):
    T, C = map(int, input().split())
    L[T].append(C)
    
D.sort(reverse=True)
L[0].sort()
L[1].sort()
for i in range(N):
    if D[i][0] <= L[0][-1]:
        D[i][2] += 1
        L[0].pop()
        
for i in range(N):
    D[i][0], D[i][1] = D[i][1], D[i][0]
        
D.sort(reverse=True)
for i in range(N):
    if D[i][0] <= L[1][-1]:
        D[i][2] += 1
        L[1].pop()

ans = 0
cnt = 0
for i in range(N):
    if D[i][2] >= 1:
        cnt += D[i][2] - 1
        ans += 1
    else:
        if cnt:
            ans += 1
            cnt -= 1
print(N - ans)