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  1. Practice
  2. Algorithms
  3. Warmup
  4. Staircase
  5. Discussions

Staircase

  • psubarao + 2 comments

    Another approach is:

        StringBuilder sb = new StringBuilder(n);
    String fmt = "%"+n+"s\n";
    for (int i=1;i<=n;i++){
        sb.append('#');
        System.out.printf(fmt, sb);
    }
    • VictorRomano + 0 comments

      Really nice solution! I was thinking about using a formatter for printf but did't thought of using a StringBuilder with it.

    • coolandro + 0 comments

      I went with StringBuilder too! in C#. Care more about performance than shorter code (though shorter is usually sweeter), which string builder is doing for both of us =]...

              int n = Convert.ToInt32(Console.ReadLine());
        //Solution.
        StringBuilder floor = new StringBuilder(n*n);
        for(int i = 1; i < n + 1; i++)
        {
            floor.Append(' ', n - i);
            floor.Append('#', i);
            if(n != i) floor.Append(Environment.NewLine);
        }
        Console.WriteLine(floor);