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  1. using System;
  2.  
  3. public static class Test
  4. {
  5.     public static void Main()
  6.     {
  7.         int T = int.Parse(Console.ReadLine());
  8.         for (int i = 0; i < T; i++)
  9.         {
  10.             int N = int.Parse(Console.ReadLine());
  11.             Console.WriteLine(1 + (N * (N + 1) / 2));
  12.         }
  13.     }
  14. }
Success #stdin #stdout 0.02s 24348KB
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stdin
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2
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stdout
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https://ideone.com/NdGj5P
problem MOHIBPIZ, based on SPOJ submission 28686441 (CSHARP), 2021-11-05 00:35:54
language:
C# (gmcs 5.20.1)
created:
2 years ago
visibility:
secret

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