#include "aplusb.h"
#include <bits/stdc++.h>
#define all(v) (v).begin(), (v).end()
using namespace std;
using ll = int;
const ll MEM = 1e5 + 4;
vector<int> smallest_sums(int N, std::vector<int> A, std::vector<int> B)
{
ll l = 0, r = 2e9 + 7;
ll n = N;
while (l <= r)
{
ll mid = l + r >> 1;
ll o = 0, j = n - 1;
for (int i = 0; i < n; i++)
{
for (; A[i] + B[j] > mid && j >= 0; j--)
;
o += j + 1;
}
if (o >= n)
r = mid - 1;
else
l = mid + 1;
}
vector<ll> ans;
r = 0;
ll j = n - 1;
for (int i = 0; i < n; i++)
{
for (; A[i] + B[j] >= l && j >= 0; j--)
;
for (int k = 0; k <= j; k++)
{
ans.push_back(A[i] + B[k]);
r++;
}
}
sort(all(ans));
for (int i = r; i < n; i++)
ans.push_back(l);
return ans;
}
