30

//это 30
#include <stdio.h>
#include <stdlib.h>
#include <time.h>

int main(void)
{
    srand(time(NULL));
    system("chcp 1251>nul");
    int first_amount, second_amount, i;
    float first_max = .0, second_max = .0, temp;
    int first_index_max, second_index_max;

    printf("Введите количество элементов в первом массиве: ");
    scanf("%d", &first_amount);
    printf("Введите количество элементов во втором массиве: ");
    scanf("%d", &second_amount);

    float first_array[first_amount];
    float second_array[second_amount];

    for (i = 0; i < first_amount; i++)
    {
        first_array[i] = (float)(rand() % 100) / (rand() % 10 + 1);
        printf("first_array[%d] = %.2f\n", i, first_array[i]);
    }
    printf("\n");
    for (i = 0; i < second_amount; i++)
    {
        second_array[i] = (float)(rand() % 100) / (rand() % 10 + 1);
        printf("second_array[%d] = %.2f\n", i, second_array[i]);
    }
    for (i = 0; i < first_amount; i++)
    {
        if (first_array[i] > first_max)
        {
            first_max = first_array[i];
            first_index_max = i;
        }
    }
    for (i = 0; i < second_amount; i++)
    {
        if (second_array[i] > second_max)
        {
            second_max = second_array[i];
            second_index_max = i;
        }
    }
    printf("\n1: first_array[%d] = %.2f\n\n", first_index_max, first_max);
    printf("2: second_array[%d] = %.2f\n\n", second_index_max, second_max);

    temp = first_array[first_index_max];
    first_array[first_index_max] = second_array[second_index_max];
    second_array[second_index_max] = temp;

    for (i = 0; i < first_amount; i++)
        printf("first_array[%d] = %.2f\n", i, first_array[i]);

    printf("\n");

    for (i = 0; i < second_amount; i++)
        printf("second_array[%d] = %.2f\n", i, second_array[i]);
}