Submission #2120877

---

Source Code Expand

using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Text;

class TEST{
	static void Main(){
		Sol mySol =new Sol();
		mySol.Solve();
	}
}

class Sol{
	public void Solve(){
		
		long cnt = 0;
		long p = 1;
		
		for(int i=0;i<N;i++){
			if(A[i] == p){
				p++;
				continue;
			}
			if(A[i] < p){
				continue;
			}
			cnt += (A[i] - 1) / p;
			if(i == 0 && p == 1) p++;
		}
		Console.WriteLine(cnt);
		
		
	}
	int N;
	long[] A;
	public Sol(){
		N = ri();
		A = new long[N];
		for(int i=0;i<N;i++) A[i] = ri();
	}

	static String rs(){return Console.ReadLine();}
	static int ri(){return int.Parse(Console.ReadLine());}
	static long rl(){return long.Parse(Console.ReadLine());}
	static double rd(){return double.Parse(Console.ReadLine());}
	static String[] rsa(char sep=' '){return Console.ReadLine().Split(sep);}
	static int[] ria(char sep=' '){return Array.ConvertAll(Console.ReadLine().Split(sep),e=>int.Parse(e));}
	static long[] rla(char sep=' '){return Array.ConvertAll(Console.ReadLine().Split(sep),e=>long.Parse(e));}
	static double[] rda(char sep=' '){return Array.ConvertAll(Console.ReadLine().Split(sep),e=>double.Parse(e));}
}

Submission Info

Judge Result