Сборник задач по программированию двумерных массивов. Дмитрий Юрьевич УсенковЧитать онлайн книгу.

имеется хотя бы один элемент, удовлетворяющий заданному условию. (Побочной диагональю называют диагональ, проходящую от верхнего правого угла массива к нижнему левому углу.)

Задача 724.

Дан двумерный массив размера 15 x 11, заполненный целыми случайными числами из диапазона [-60 … 60]. Определить произведение положительных элементов в четных строках. При отсутствии таких элементов вывести сообщение: "Подходящих элементов нет".

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