Submission #1205213

#	Time	Username	Problem	Language	Result	Execution time	Memory
1205213		DJ035	A Plus B (IOI23_aplusb)	C++20	0 / 100	1095 ms	328 KiB

aplusb

#include "aplusb.h"
#include <bits/stdc++.h>
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, j = n - 1;
		for (int i = 0; i < n; i++)
		{
			for (; A[i] + B[j] > mid && j >= 0; j--)
				;
			if (j >= 0)
				o += j + 1;
			if(o>=n) break;
		}
		if (o >= n)
			r = mid - 1;
		else
			l = mid + 1;
	}
	vector<ll> ans(n, 0);
	r = 0;
	for (int i = 0; i < n; i++)
	{
		for (int j = 0; j < n && A[i] + B[j] < l; j++)
		{
			ans[r] = (A[i] + B[j]);
			r++;
		}
	}
	for (int i = r; i < n; i++)
		ans[i] = (l);
	sort(ans.begin(), ans.end());
	return ans;
}

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