Submission #891656

#	Time	Username	Problem	Language	Result	Execution time	Memory
891656		12345678	Self Study (JOI22_ho_t2)	C++17	25 / 100	80 ms	4956 KiB

Main

#include <bits/stdc++.h>

using namespace std;

#define ll long long

const int nx=3e5+5;
ll n, m, a[nx], b[nx], l=1, r=1e15;

bool check(ll x)
{
    ll vl=n*m;
    for (int i=1; i<=n; i++)
    {
        if (vl*a[i]<x) return 0;
        vl-=(x%a[i]==0)?(x/a[i]):(x/a[i]+1);
    }
    return 1;
}

int main()
{
    cin.tie(NULL)->sync_with_stdio(false);
    cin>>n>>m;
    for (int i=1; i<=n; i++) cin>>a[i];
    for (int i=1; i<=n; i++) cin>>b[i];
    while (l<r)
    {
        ll md=(l+r+1)/2;
        if (check(md)) l=md;
        else r=md-1;
    }
    cout<<l;
}

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