Submission #1228792

#	Time	Username	Problem	Language	Result	Execution time	Memory
1228792		PlayVoltz	Self Study (JOI22_ho_t2)	C++20	100 / 100	148 ms	4936 KiB

Main

#include <cstdio>
#include <stdio.h>
#include <stdbool.h>
#include <iostream>
#include <map>
#include <vector>
#include <climits>
#include <stack>
#include <string>
#include <queue>
#include <algorithm>
#include <set>
#include <unordered_set>
#include <unordered_map>
#include <cmath>
#include <cctype>
#include <bitset>
#include <iomanip>
#include <cstring>
#include <numeric>
#include <cassert>
using namespace std;

#define int long long
#define pii pair<int, int>
#define mp make_pair
#define pb push_back
#define fi first
#define se second

int32_t main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	int n, m;
	cin>>n>>m;
	vector<pii> vect(n);
	for (int i=0; i<n; ++i)cin>>vect[i].fi;
	for (int i=0; i<n; ++i)cin>>vect[i].se, vect[i].fi=max(vect[i].fi, vect[i].se);
	int low=-1, high=LLONG_MAX/2;
	while (low+1<high){
		int mid=(low+high)/2;
		__int128 c=0;
		for (int i=0; i<n; ++i)c+=min((mid+vect[i].fi-1)/vect[i].fi, m)+max(0ll, ((mid-vect[i].fi*m)+vect[i].se-1)/vect[i].se);
		if (c<=n*m)low=mid;
		else high=mid;
	}
	cout<<low;
}

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