import heapq as hq
N, M = map(int, input().split())
A = list(map(int, input().split()))
B = list(map(int, input().split()))
task = [[] for _ in range(2)]
for _ in range(M):
    t, v = map(int, input().split())
    task[t].append(v)

for i in range(2):
    task[i].sort()

state = []
seen = [0]*N
Aind = sorted(list(range(N)), key=lambda x: A[x])
ind = 0
for v in task[0]:
    while ind < N and v >= A[Aind[ind]]:
        hq.heappush(state, [-B[Aind[ind]], Aind[ind]])
        ind += 1
    if state:
        w, t = hq.heappop(state)
        seen[t] = 1

ans = N-sum(seen)
Bval = [B[i] for i in range(N) if not seen[i]]
Bval.sort()
ind = 0
for i, v in enumerate(task[1]):
    if Bval and v >= Bval[0]:
        hq.heappop(Bval)
        ans -= 1

print(ans)