제출 #766450

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
766450		HoriaHaivas	Self Study (JOI22_ho_t2)	C++14	0 / 100	277 ms	5004 KiB

Main

/*
    "TLE is like the wind, always by my side"
    - Yasuo - 2022 -
*/
#include <bits/stdc++.h>
#define debug(x) cerr << #x << " " << x << "\n"
#define debugs(x) cerr << #x << " " << x << " "
#pragma GCC optimize("Ofast")
#define int long long

using namespace std;

int n,m,i,j,mid,l,r,pas,ansy;
int a[300005];
int b[300005];

int courseneed(int val, int course, int study)
{
    int ans;
    ans=0;
    if (course*m<val)
    {
        ans+=m;
        val-=course*m;
        if (val%study==0)
            ans+=val/study;
        else
            ans+=val/study+1;
    }
    else
    {
        if (val%course==0)
            ans+=val/course;
        else
            ans+=val/course+1;
    }
    return ans;
}

bool possible(int minimum)
{
    int sum;
    sum=0;
    for (i=1;i<=n;i++)
    {
         sum+=courseneed(minimum,a[i],b[i]);
    }
    if (sum<=n*m)
        return 1;
    return 0;
}

signed main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    cin >> n >> m;
    for (i=1;i<=n;i++)
    {
         cin >> a[i];
    }
    for (i=1;i<=n;i++)
    {
         cin >> b[i];
    }
    for (i=1;i<=n;i++)
    {
         a[i]=max(a[i],b[i]);
    }
    l=0;
    r=(1LL<<60);
    while (l<=r)
    {
        mid=l+(r-l)/2;
        if (possible(mid))
        {
            ansy=mid;
            l=mid+1;
        }
        else
            r=mid-1;
    }
    cout << ansy;
}

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