Submission #996758

#	Time	Username	Problem	Language	Result	Execution time	Memory
996758		faqinyeager	Self Study (JOI22_ho_t2)	C++17	0 / 100	1 ms	348 KiB

Main

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

int n, m;
vector<ll> a, b;

bool F(ll x){
    int r = 0;
    for(int i = 0; i < n; i++){
        if(x / a[i] >= m){
            r += m - (x / a[i]) / m;
        }
    }
    for(int i = 0; i < n; i++){
        if(x / a[i] < m){
            if(r >= m - x / a[i]){
                r -= m - x / a[i];
            }else{
                return 0;
            }
        }
    }
    return 1;
}

int main(){
    cin >> n >> m;
    
    a.resize(n);
    b.resize(n);
    
    for(int i = 0; i < n; i++) cin >> a[i];
    for(int i = 0; i < n; i++) cin >> b[i];
    
    for(int i = 0; i < n; i++) a[i] = max(a[i], b[i]);
    
    ll lx = 0, rx = 1LL << 60;
    while(rx - lx > 1){
        ll mid = (rx + lx) / 2;
        if(F(mid)) rx = mid;
        else lx = mid;
    }
    cout << rx;
}

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