import sys
input = sys.stdin.readline

from operator import itemgetter
from heapq import heappop,heappush

N,M=map(int,input().split())
A=list(map(int,input().split()))
B=list(map(int,input().split()))

AB=[]

for i in range(N):
    AB.append((A[i],B[i]))

C0=[]
C1=[]

for i in range(M):
    t,c=map(int,input().split())
    if t==0:
        C0.append(c)
    else:
        C1.append(c)

C0.sort()
C1.sort()



#AB.sort(key=itemgetter(1),reverse=True)
AB.sort(key=itemgetter(0))

H=[]

ind=0
for i in range(len(C0)):
    c=C0[i]
    while ind<N and AB[ind][0]<=c:
        a,b=AB[ind]
        heappush(H,(-b,a))
        ind+=1

    #print(H,c)

    if H:
        heappop(H)

for i in range(ind,N):
    a,b=AB[i]
    heappush(H,(-b,a))

C1rest=[]

while H:
    a,b=heappop(H)
    C1rest.append(-a)

C1rest.sort()

H=[]
ind=0
for i in range(len(C1)):
    c=C1[i]
    while ind<len(C1rest) and C1rest[ind]<=c:
        heappush(H,-C1rest[ind])
        ind+=1

    if H:
        heappop(H)

for i in range(ind,len(C1rest)):
    heappush(H,-C1rest[i])


print(len(H))