제출 #1288546

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1288546		WH8	Self Study (JOI22_ho_t2)	C++20	0 / 100	242 ms	5108 KiB

Main

#include <bits/stdc++.h>
using namespace std;
#define int long long 
#define pll pair<int, int>
#define mp make_pair
#define pb push_back
#define f first
#define s second
#define endl '\n'
#define ld long double
#define sz(x) static_cast<int>((x).size())
#define i5 tuple<int,int,int,int,int>

int cdiv(int a, int b){
	return a/b + !!(a%b);
}

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];
		if(a[i] < b[i])a[i]=b[i];
	}
	int l=1, r=1e15, mid;
	while(r-l>1){
		mid=(l+r)/2;
		int req=0, add=0;
		for(int i=0;i<n;i++){
			if(cdiv(mid, a[i]) > m){ // overflow
				req+=cdiv(mid-m*a[i], b[i]);
			}
			else {
				add+=m-cdiv(mid,a[i]);
			}
		}
		if(req <= add){
			l=mid;
		}
		else {
			r=mid;
		}
	}
	cout<<l;
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 25
• Subtask 3: 0 / 27
• Subtask 4: 0 / 29
• Subtask 5: 0 / 9