Submission #991168

#	Time	Username	Problem	Language	Result	Execution time	Memory
991168		Otalp	Self Study (JOI22_ho_t2)	C++14	10 / 100	159 ms	11344 KiB

Main

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

ll a[300100];
ll b[300100];
ll n, m;


bool check(ll x){
    ll h = 0;
    //cout<<x<<' ';
    for(int i=1; i<=n; i++){
        if(a[i] > b[i]){
            if(m * a[i] < x){
                h += m;
                h += (x - m * a[i] - 1) / b[i] + 1;
            }
            else{
                h += (x - 1) / a[i] + 1;
            }
        }
        else{
            h += (x - 1) / b[i] + 1;
        }
    }
    //cout<<h<<'\n';
    return h <= m*n;
}


void solve(){
    cin>>n>>m;
    for(int i=1; i<=n; i++){
        cin>>a[i];
    }
    for(int i=1; i<=n; i++){
        cin>>b[i];
    }
    ll ans = 1e18;
    for(int i=1; i<=n; i++) ans = min(ans, max(a[i], b[i]));
    cout<<ans;
}


signed main(){
    solve();
}

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