co7ahang @ 2023-05-13 21:41:26
#include<cstdio>
#include<algorithm>
typedef long long ll;
ll a[1000010],n,m;
int main(){
scanf("%d%d",&n,&m);
for(int i=1;i<=n;i++){
scanf("%d",&a[i]);
}
for(int i=0;i<m;i++){
ll k;
scanf("%d",&k);
ll ans=std::lower_bound(a,a+n,k)-a;
if(a[ans]!=k) ans=-1;
printf("%d ",ans);
}
return 0;
}