#include <bits/stdc++.h>
using namespace std;
const int maxn = 3e5 + 5;
int arr[maxn];
int n, m;
vector<int> ans;
int Find(int x, bool key) {
int ret = 0;
for (int i = 1, j = n; i < j; i++) {
while (i < j && arr[i] + arr[j] > x) j--;
if (i < j && arr[i] + arr[j] == x) {
ret += 2;
if (key) {
ans.emplace_back(arr[i]);
ans.emplace_back(arr[j]);
}
if (ret == n - m) return ret;
}
}
return ret;
}
void solve() {
cin >> n >> m;
n += m;
for (int i = 1; i <= n; i++) cin >> arr[i];
int lim = min(n/2, m+2);
for (int i = 1; i <= lim; i++)
for (int j = n; j >= n - lim; j--)
if (i < j && Find(arr[i] + arr[j], false) >= n-m) {
Find(arr[i] + arr[j], true);
sort(ans.begin(), ans.end());
for (int v : ans) cout << v << ' ';
cout << '\n';
return;
}
return;
}
signed main() {
ios::sync_with_stdio(false), cin.tie(0), cout.tie(0);
solve();
return 0;
j
Compilation message
tabletennis.cpp: In function 'int main()':
tabletennis.cpp:48:1: error: 'j' was not declared in this scope
48 | j
| ^
tabletennis.cpp:48:1: error: expected '}' at end of input
tabletennis.cpp:44:15: note: to match this '{'
44 | signed main() {
| ^
