Submission #1358170

#	Time	Username	Problem	Language	Result	Execution time	Memory
1358170		po_rag526	Self Study (JOI22_ho_t2)	C++20	0 / 100	42 ms	2736 KiB

Main

#include<bits/stdc++.h>
#define ll long long
using namespace std;
const int N=300005;
ll n,m,A[N+2],B[N+3];
ll ch(ll mid){
    ll tot=0;
    for(int i=1;i<=n;i++){
        ll want=mid;
        ll tclas=0,tself=0;
        tself=want/B[i];
        if(tself*B[i]<want)++tself;
        tot+=tself;
        
        //cout<<tclas<<" "<<tself<<endl<<endl;
    }
    return tot;
}
int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
   // cout<<1;
    cin>>n>>m;
    for(int i=1;i<=n;i++)cin>>A[i];
    for(int i=1;i<=n;i++)cin>>B[i];
    ll l=1,r=1e18,ans=-1;
    while(l<=r){
        ll mid=l+(r-l)/2;
        if(ch(mid)<=n*m){
            l=mid+1;
            ans=mid;
        }
        else r=mid-1;
    }
    cout<<ans<<endl;
    //cout<<ch(18);

    cout<<endl;
    return 0;
}

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