제출 #1295408

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1295408		muhammad-mutahir	Self Study (JOI22_ho_t2)	C++20	0 / 100	94 ms	5128 KiB

Main

#include <bits/stdc++.h>
using namespace std;

#define print(l) for(auto i:l) cout<<i<<" ";cout<<endl;
#define input(t,l,n) vector<t>l(n);for(int i = 0;i<n;i++)cin>>l[i];
#define int long long
#define pb push_back
#define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update> 
#define all(l) l.begin(),l.end()
#define pii pair<int,int>
#define fi first
#define se second

const int M = 1e9+7;
const int inf = 1e18;


int bp(int x, int y, int p){
    int res = 1;
    x = x % p;
    while (y > 0) {
 
        if (y & 1)
            res = (res * x) % p;
        y = y >> 1;
        x = (x * x) % p;
    }
    return res;
}
 
int MI(int n, int p){
    return bp(n, p - 2, p);
}
int mul(int x,int y, int p){
    return x * 1ull * y % p;
}
int di(int x,int y, int p){
    return mul(x, MI(y, p), p);
}


int n , m , k , q;

void solve(int testcase_number){
    cin>>n>>k;
    input(int,a,n);
    input(int,b,n);
    // for(int i = 0;i<n;i++){
    	// if(a[i]<b[i]){
    		// swap(a[i],b[i]);
    	// }
    // }
    int l= 0;
    int r = 1e18+10;
    while(r-l>1){
    	// int m = 41397427274960;
    	int m = (l+r)/2;
    	int ex = 0;
    	int rec = 0;
    	for(int i = 0;i<n;i++){
    			int cd = max(a[i],b[i]);
    		if(a[i]*k >= m){
    			ex+=k-((m+cd-1)/cd);
    		}
    		else{
    			rec+= ((m-cd*k)+b[i]-1)/b[i];
    		}
    	}
    	// break;
    	// cout<<m<<" "<<rec<<" "<<ex<<endl;
    	if(rec <= ex){
    		l = m;
    	}
    	else{
    		r = m;
    	}
    	// cout<<rec<<" "<<ex<<endl;
    }
    cout<<l<<endl;



}


signed main(){
    ios::sync_with_stdio(0);//DO NOT USE IN INTERACTIVE
    cin.tie(0), cout.tie(0);
    cout << fixed<<setprecision(9);

    int t = 1;
    // cin>>t;
    for(int i = 1;i<=t;i++){
        solve(i);
    }

}

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