Submission #534172

#	Time	Username	Problem	Language	Result	Execution time	Memory
534172		PixelCat	Self Study (JOI22_ho_t2)	C++14	54 / 100	221 ms	5024 KiB

Main

#include <bits/stdc++.h>
#define For(i,a,b) for(int i=a;i<=b;i++)
#define Forr(i,a,b) for(int i=a;i>=b;i--)
#define F first
#define S second
#define sz(x) ((int)x.size())
#define all(x) x.begin(),x.end()
#define eb emplace_back
#define INF (LL)(9e18)
#define int __int128_t
using namespace std;
using LL=long long;
using pii=pair<int,int>;

const int MAXN=300030;

int a[MAXN];
int b[MAXN];

bool check(int n,int m,int tar){
    int s=0;
    For(i,1,n){
        s+=(tar+a[i]-1)/a[i];
    }
    return s<=n*m;
}

int32_t main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    // OAO
    LL n,m; cin>>n>>m;
    For(i,1,n){
        LL t; cin>>t;
        a[i]=t;
    }
    int hi=1000000000000000010;
    int lo=0;
    while(hi-lo>1){
        int mi=lo+(hi-lo)/2;
        if(check(n,m,mi)) lo=mi;
        else hi=mi;
    }
    cout<<(LL)lo<<"\n";
    return 0;
}

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