Submission #1205194

#	Time	Username	Problem	Language	Result	Execution time	Memory
1205194		DJ035	A Plus B (IOI23_aplusb)	C++20	0 / 100	1094 ms	324 KiB

aplusb

#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)/2;
		ll o = 0;
		for (int i = 0; i < n; i++)
		{
			if (A[i] + B[0] > mid)
				break;
			ll p = upper_bound(all(B), mid - A[i]) - B.begin();
			o += p;
		}
		if (o >= n)
			r = mid - 1;
		else
			l = mid + 1;
	}
	vector<ll> ans;
	r = 0;
	for (int i = 0; i < n; i++)
	{
		ll p = upper_bound(all(B), l - A[i] - 1) - B.begin();
		for (int j = 0; j < p; j++)
		{

			ans.push_back(A[i] + B[j]);
			r++;
		}
	}

	sort(all(ans));
	for (int i = r; i < n; i++)
		ans.push_back(l);
	return ans;
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 30
• Subtask 4: 0 / 40