Submission #200627

#	Time	Username	Problem	Language	Result	Execution time	Memory
200627		gs18115	Sparklers (JOI17_sparklers)	C++14	0 / 100	5 ms	248 KiB

sparklers

#include<iostream>
#include<vector>
#include<algorithm>
#define ep emplace
#define eb emplace_back
#define fi first
#define se second
#define all(x) (x).begin(),(x).end()
#define semicolon ;
#define ryan bear
using namespace std;
typedef long long ll;
typedef pair<int,int>pi;
typedef pair<ll,ll>pl;
const int inf=1e9+7;
const ll INF=1e18;
int x[100010];
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    int n,k,t;
    cin>>n>>k>>t;
    for(int i=0;i<n;i++)
        cin>>x[i];
    int s=0;
    for(int i=1;i<n;i++)
    {
        int m=inf;
        for(int j=max(k-i,0);j<=k&&j+i<n;j++)
            m=min(m,x[j+i]-x[j]);
        s=max(s,(m+i-1)/i);
    }
    cout<<(s+t*2-1)/t/2<<endl;
    return 0;
}

• Subtask 1: 0 / 30
• Subtask 2: 0 / 20
• Subtask 3: 0 / 50