using System;
using System.Threading;
namespace ConsoleApplication7
{
internal class Program
{
private static void Main(string[] args)
{
int m = 4;
int n = 6;
Random rnd=new Random();
var matrix = new int[m, n];
for (int i = 0; i < matrix.GetLength(0); i++)
{
for (int j = 0; j < matrix.GetLength(1); j++)
{
matrix[i, j] = rnd.Next(1, 9);
Console.Write($"{matrix[i,j]} ");
}
Console.WriteLine();
}
int sum = 0;
for (int i = 1; i < matrix.GetLength(1); i+=2)
{
for (int j = 0; j < matrix.GetLength(0); j++)
{
sum += matrix[j, i];
}
Console.WriteLine("Сумма {0} //{1}столбец",sum,i+1);
sum = 0;
}
}
}
}
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