// I stand with PALESTINE
// #pragma GCC optimize("Ofast,O3")
// #pragma GCC target("avx,avx2")
#include "bits/stdc++.h"
using namespace std;
using ll = long long;
using ld = double;
const ld eps = 1e-6;
void solve() {
int n, m, d;
cin >> n >> m >> d;
vector<ll> a(n), b(m);
for (int i = 0; i < n; i++) cin >> a[i];
for (int i = 0; i < m; i++) cin >> b[i];
auto v = a;
for (ll &x: v) x *= 2;
d *= 2;
auto f = [&]() -> ll {
// for (ll &x: v) cout << x << ' ';
// cout << endl;
ll lx = 0, rx = 1e16, best = -1;
while (lx <= rx) {
ll mid = (lx + rx) >> 1;
ll l = -1e18, r = 1e18;
for (int i = 0; i < v.size(); i++) {
l = max(l, v[i] - mid);
r = min(r, v[i] + mid);
if (l > r) break;
l += d, r += d;
}
if (l <= r) {
best = mid;
rx = mid - 1;
} else {
lx = mid + 1;
}
}
return best;
};
for (int i = 0; i < m; i++) {
v.emplace_back(b[i] * 2);
sort(v.begin(), v.end());
ll ans = f();
cout << ans / 2;
if (ans % 2) cout << ".5";
cout << ' ';
}
}
int main() {
cin.tie(0)->sync_with_stdio(false);
int queries = 1;
#ifdef sunnatov
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
cin >> queries;
#else
// cin >> queries;
#endif
for (int test_case = 1; test_case <= queries; test_case++) {
#ifdef sunnatov
cout << "Test case: " << test_case << endl;
#endif
solve();
cout << '\n';
}
}
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