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41 lines
692 B
C#
41 lines
692 B
C#
using System;
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namespace problem_510A
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{
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class problem_510A
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{
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static void Main(string[] args)
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{
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int[] ip = Array.ConvertAll(Console.ReadLine().Split(), int.Parse);
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for (int i = 0; i < ip[0]; i++)
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{
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switch (i % 4)
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{
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case 1:
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for (int j = 1; j < ip[1]; j++)
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{
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Console.Write(".");
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}
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Console.WriteLine("#");
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break;
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case 3:
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Console.Write("#");
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for (int j = 1; j < ip[1]; j++)
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{
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Console.Write(".");
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}
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Console.WriteLine();
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break;
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default:
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for (int j = 0; j < ip[1]; j++)
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{
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Console.Write("#");
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}
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Console.WriteLine();
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break;
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}
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}
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}
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}
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}
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