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| #include<iostream> #include<cstdio> using namespace std; long long read() { long long x=0,f=1; char c=getchar(); while(!isdigit(c)){if(c=='-') f=-1;c=getchar();} while(isdigit(c)){x=x*10+c-'0';c=getchar();} return x*f; } const int N=100000+1000; struct TreeInTree { #define mid ((now_l+now_r)>>1) #define lson (now<<1) #define rson (now<<11) #define root son[r][1] static const int M=N*25; int fa[M],son[M][2],size[M],cnt[M],num[M],to; inline void update(int x) { size[x]=size[son[x][0]]+size[son[x][1]]+cnt[x]; } inline void rotate(int x,int type) { int y=fa[x],z=fa[y]; son[z][y==son[z][1]]=x,fa[x]=z; son[y][!type]=son[x][type],fa[son[x][type]]=y; son[x][type]=y,fa[y]=x; update(y),update(x); } void splay(int x,int to) { while(fa[x]!=to) { if(x==son[fa[x]][fa[x]==son[fa[fa[x]]][1]] and fa[fa[x]]!=to) rotate(fa[x],x==son[fa[x]][0]); rotate(x,x==son[fa[x]][0]); } } void Insert(int w,int r) { if(root==0) { root=++to,fa[root]=r; num[root]=w,update(root); return; } int now=root,last=root; while(now!=0) last=now,now=son[now][w>num[now]]; now=++to,fa[now]=last,son[last][w>num[last]]=now; num[now]=w,update(now); splay(now,r); } int Query1(int x,int r) { int now=root,ans=0; while(now!=0) { if(num[now]>=x) now=son[now][0]; else { if(num[now]>num[ans]) ans=now; now=son[now][1]; } } if(ans==0) return 0; splay(ans,r); return size[son[ans][0]]+cnt[ans]; } int Query2(int x,int r) { int now=root,ans=0; num[0]=0x3f3f3f3f; while(now!=0) { if(num[now]>x) { if(num[now]<num[ans]) ans=now; now=son[now][0]; } else now=son[now][1]; } num[0]=0; if(ans==0) return 0; splay(ans,r); return size[son[ans][1]]+cnt[ans]; } int t[N<<2]; void Build(int now,int now_l,int now_r) { t[now]=++to; if(now_l==now_r) return; Build(lson,now_l,mid); Build(rson,mid+1,now_r); } inline void Insert2(int x,int w,int now,int now_l,int now_r) { Insert(w,t[now]); if(now_l!=now_r) { if(x<=mid) Insert2(x,w,lson,now_l,mid); else Insert2(x,w,rson,mid+1,now_r); } } int Query3(int l,int r,int w,int type,int now,int now_l,int now_r) { if(now_l>=l and now_r<=r) { if(type==1) return Query1(w,t[now]); else return Query2(w,t[now]); } int sum=0; if(l<=mid) sum+=Query3(l,r,w,type,lson,now_l,mid); if(r>mid) sum+=Query3(l,r,w,type,rson,mid+1,now_r); return sum; } #undef mid #undef lson #undef rson }tit; int n,m,p[N],q[N],unOK[N]; long long ans[N]; int main() { freopen("3157.in","r",stdin); freopen("3157.out","w",stdout);
int t=clock(); n=read(),m=read(); for(int i=1;i<=n;i++) p[read()]=i; for(int i=1;i<=m;i++) q[i]=read(),unOK[q[i]]=true;
tit.Build(1,1,n); for(int i=1;i<=n;i++) if(unOK[i]==false) { tit.Insert2(p[i],i,1,1,n); ans[m+1]+=tit.Query3(p[i],n,i,1,1,1,n)+tit.Query3(1,p[i],i,2,1,1,n); } for(int i=m;i>=1;i--) { tit.Insert2(p[q[i]],q[i],1,1,n); ans[i]=ans[i+1]+tit.Query3(p[q[i]],n,q[i],1,1,1,n)+tit.Query3(1,p[q[i]],q[i],2,1,1,n); }
for(int i=1;i<=m;i++) printf("%lld\n",ans[i]); cerr<<clock()-t<<endl; return 0; }
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