Submission #977228

#	Time	Username	Problem	Language	Result	Execution time	Memory
977228		vjudge1	Watching (JOI13_watching)	C++17	0 / 100	1 ms	432 KiB

watching

#include<bits/stdc++.h>
using namespace std;

#define ll long long
int n,p,q;
vector<ll>a;

int main(){
	cin>>n>>p>>q;
	for(int i=0;i<n;i++){
		int c;
		cin>>c;
		a.push_back(c);
	} 
	sort(a.begin(),a.end());
	int sze=a.size();
	ll ans= (a[sze-1]-a[0]+1)/(2*q+p);
	cout<<ans<<endl;
}

• Subtask 1: 0 / 50
• Subtask 2: 0 / 50