fork download 
  1. using System;
  2. using System.Collections.Generic;
  3. using System.IO;
  4. class Solution {
  5.     static void Main(String[] args)
  6.      {
  7.     /* Enter your code here. Read input from STDIN. Print output to STDOUT. Your class should be named Solution */
  8.         int[] arr = new int[1001];
  9.         int temp = 0, box = 0;
  10.         for (int i = 1; i <= 600; i++)
  11.         {
  12.             while (temp <= i)
  13.             {
  14.                 box++;
  15.                 temp = Factor(box * (box + 1) / 2);
  16.             }
  17.             arr[i] = box * (box + 1) / 2;
  18.         }
  19.         int test = Convert.ToInt32(Console.ReadLine());
  20.         while (test-- > 0)
  21.         {
  22.             int n = Convert.ToInt32(Console.ReadLine());
  23.             Console.WriteLine(arr[n]);
  24.         }
  25.     }
  26.     static int Factor(int a)
  27.     {
  28.         int count = 0;
  29.         if (a == 1)
  30.         {
  31.             return 1;
  32.         }
  33.         for (int i = 1; i < Math.Ceiling(Math.Sqrt(a)); i++)
  34.         {
  35.             if (a % i == 0)
  36.             {
  37.                 count += 2;
  38.             }
  39.         }
  40.         if (Math.Ceiling(Math.Sqrt(a)) == Math.Floor(Math.Sqrt(a)))
  41.         {
  42.             count++;
  43.         }
  44.         return count;
  45.     }
  46. }
  47.  
Success #stdin #stdout 0.85s 24568KB
comments (?)
stdin 
1
500
stdout 
76576500
https://ideone.com/Oz5g3d
language:
C# (gmcs 5.20.1)
created:
3 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!