from sys import stdin
input=lambda :stdin.readline()[:-1]

n,m=map(int,input().split())
a=list(map(int,input().split()))
b=list(map(int,input().split()))
t0=[]
t1=[]
for i in range(m):
  t,c=map(int,input().split())
  if t:
    t1.append(c)
  else:
    t0.append(c)

t0.sort()
t1.sort()

from heapq import heappop, heappush
ab=[]
for i in range(n):
  ab.append([a[i],b[i]])

ab.sort()
idx=0
hq=[]
ans=0
for c in t0:
  while idx!=n and ab[idx][0]<=c:
    heappush(hq,-ab[idx][1])
    idx+=1
  if hq:
    ans+=1
    heappop(hq)

while idx!=n:
  heappush(hq,-ab[i][1])
  idx+=1

hq2=[]
for i in hq:
  heappush(hq2,-i)

for c in t1:
  if hq2 and hq2[0]<=c:
    heappop(hq2)
    ans+=1
print(n-ans)