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- using System;
- namespace Homework3
- {
- class Program
- {
- static void Main(string[] args)
- {
- int[,] matrix = { { 1, 2, 3 }, { 4, 5, 6 }, { 7, 8, 9 } };
- int sum = 0;
- int product = 1;
- int selectedRow = 1;
- int selectedColumn = 0;
- Console.WriteLine("Исходная матрица:");
- for (int i =0; i < matrix.GetLength(0);i++)
- {
- for (int j = 0; j < matrix.GetLength(1); j++)
- {
- Console.Write(matrix[i, j]+ " ");
- }
- Console.WriteLine();
- }
- for(int i = 0; i < matrix.GetLength(1); i++)
- {
- sum += matrix[selectedRow, i];
- }
- for (int i = 0; i < matrix.GetLength(0); i++)
- {
- product *= matrix[i, selectedColumn];
- }
- Console.WriteLine($"Сумма элементов второй строки - {sum}");
- Console.WriteLine($"Произведение первого столбца - {product}");
- }
- }
- }
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