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#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <float.h>
#include <math.h>
const float RAND_MAX_F = RAND_MAX;
float get_rand() {
return rand() / RAND_MAX_F;
}
float randfloat(const float min, const float max) {
return get_rand() * (max - min) + min;
}
int main()
{
float **arr;
int n;
int m;
float max_elem;
printf("Enter n: "); scanf("%d", &n);
printf("Enter m: "); scanf("%d", &m);
arr = calloc(sizeof(float*), n);
for(int i = 0; i < n; i++)
arr[i] = calloc(sizeof(float), m);
srand(time(NULL));
for(int i = 0; i < n; i++)
{
for(int j = 0; j < m; j++)
{
arr[i][j] = randfloat(-50.0, 50.0);
printf("%6.2f ", arr[i][j]);
if (i == 0 && j == 0)
max_elem = fabsf(arr[i][j]);
else if (fabsf(arr[i][j]) > max_elem)
max_elem = fabsf(arr[i][j]);
}
printf("\n");
}
printf("\nmax_elem: %.2f\n\n", max_elem);
for(int i = 0; i < n; i++)
{
for(int j = 0; j < m; j++)
{
arr[i][j] = arr[i][j] / max_elem;
printf("%6.2f ", arr[i][j]);
}
printf("\n");
}
for(int i = 0; i < n; i++)
free(arr[i]);
free(arr);
return 0;
}
