#include <bits/stdc++.h>
using namespace std;
#define pii pair<int,int>
#define fs first
#define sc second
#define ll long long
const int mxn = 3e5+10;
ll N,M,D;
bool check(vector<ll> &v,ll len){
ll pre = -1e18;
for(auto &i:v){
if(i+len<pre+D)return false;
pre = max(pre+D,i-len);
}
return true;
}
ll calc(vector<ll> &v){
sort(v.begin(),v.end());
ll l = 0,r = 3e15;
assert(check(v,r));
while(l != r){
ll mid = (l+r)>>1;
if(check(v,mid))r = mid;
else l = mid+1;
}
return l;
}
vector<ll> v;
int main(){
ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
cin>>N>>M>>D;
D<<=1;
for(int i = 0;i<N;i++){
ll k;
cin>>k;
v.push_back(k<<1);
}
while(M--){
ll k;
cin>>k;
v.push_back(k<<1);
cout<<calc(v)/2.0<<' ';
}
cout<<'\n';
return 0;
}
