N,C=map(int,input().split())
P=[int(input()) for i in range(N)]
disc=[]
disc_per=[]
P.sort(reverse=True)
for i in range(C):
    t,x=map(int,input().split())
    if t==1:
        disc.append(x)
    else:
        disc_per.append(x)
disc_per.sort(reverse=True)
disc.sort(reverse=True)
posi,posi_per=0,0
ans=0
for j,i in enumerate(P):
    if len(disc)<=posi and len(disc_per)<=posi_per:
        ans+=i
        continue
    if len(disc)<=posi:
        pt1=i
    else:
        pt1=max(i-disc[posi],0)
    if len(disc_per)<=posi_per:
        pt2=i
    else:
        pt2=max(i*(100-disc_per[posi_per])//100,0)
    if pt1>pt2:
        posi_per+=1
        ans+=pt2
    elif pt2>pt1:
        posi+=1
        ans+=pt1
    else:
        if j==len(P)-1:
            ans+=pt1
            break
        else:
            ans+=pt1
            next=P[j+1]
            if len(disc)<=posi+1:
                pt1=i
            else:
                pt1=max(next-disc[posi+1],0)
            if len(disc_per)<=posi_per+1:
                pt2=i
            else:
                pt2=max(next*(100-disc_per[posi_per+1])//100,0)
            if pt1<pt2:
                posi_per+=1
            else:
                posi+=1
print(ans)