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14 lines
197 B
C#
14 lines
197 B
C#
using System;
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namespace _617A
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{
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class Program
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{
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static void Main(string[] args)
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{
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int n = int.Parse(Console.ReadLine());
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Console.WriteLine(n % 5 == 0 ? n / 5 : n / 5 + 1);
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}
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}
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}
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