제출 #1319946

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1319946		MuhammadSaram	Self Study (JOI22_ho_t2)	C++20	100 / 100	252 ms	5088 KiB

Main

#include <bits/stdc++.h>

using namespace std;

#define int long long

signed main()
{
	int n,m;
	cin>>n>>m;
	int a[n], b[n];
	for (int i=0;i<n;i++)
		cin>>a[i];
	for (int i=0;i<n;i++)
		cin>>b[i], a[i]=max(a[i],b[i]);
	int s=0, e=1e18;e++;
	while (s+1<e)
	{
		int mid=(s+e)/2, ex=0;
		for (int i=0;i<n;i++)
			if (a[i]*m>=mid)
				ex+=m-(mid+a[i]-1)/a[i];
		for (int i=0;i<n && ex>=0;i++)
			if (a[i]*m<mid)
			{
				int val=(mid-a[i]*m+b[i]-1)/b[i];
				if (ex<val) ex=-1;
				else ex-=val;
			}
		if (ex>=0)
			s=mid;
		else
			e=mid;
	}
	cout<<s<<endl;

	return 0;
}

• Subtask 1: 10 / 10
• Subtask 2: 25 / 25
• Subtask 3: 27 / 27
• Subtask 4: 29 / 29
• Subtask 5: 9 / 9