CV09-2, C (clang) - rextester

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//clang 6.0.0

#include  <stdio.h>
#include <stdlib.h>

struct TVector {
    double *iDataPtr;
    size_t iPocet;
};
    
int ctivector(struct TVector*aVectorPtr);
int minmax(struct TVector aVector, double *aPtrMin, double *aPtrMax);

int main(void)
{
    struct TVector Vector;
    
    if(ctivector(&Vector) == -1)
        return 1;
    
    double min, max;
    if(minmax(Vector, &min, &max) == -1)
    {
        free(Vector.iDataPtr);
        printf("Chyba: Chybne parametry funkce minmax!\n");
        return 1;
    }
    
    free(Vector.iDataPtr);
    printf("min=%f max=%f\n", min, max);
    return 0;
}

int ctivector(struct TVector *aVectorPtr)
{
    if(aVectorPtr == NULL)
        return -1;
    
    size_t n;
    printf("Zadej pocet dat: ");
    if(scanf("%zu", &n) != 1)
    {
        printf("Chyba cteni poctu dat!\n");
        return -1;
    }
    
    double *p = malloc(n * sizeof(double));
    if(p == NULL)
    {
        printf("Chyba alokace pameti!\n");   
        return -1;
    }
    
    printf("Zadej %zu cisel:\n ", n);
    for(size_t i = 0; i < n; ++i)
    {
        if(scanf("%lf", p + i) != 1)
        {
            printf("Chyba cteni vstupnich dat!\n");
            free(p);
            return -1;
        }
    }
    
    aVectorPtr->iDataPtr = p;
    aVectorPtr->iPocet = n;
    return 0;
}

int minmax(struct TVector aVector, double *aPtrMin, double *aPtrMax)
{
    if(aVector.iDataPtr == NULL || aPtrMin == NULL || aPtrMax == NULL)
        return -1;
    
    double min, max;
    min = aVector.iDataPtr[0];
    max = aVector.iDataPtr[0];
    for(size_t i = 1; i < aVector.iPocet; ++i)
    {
       if(aVector.iDataPtr[i] > max)
           max = aVector.iDataPtr[i];
        else if(aVector.iDataPtr[i] < min)
            min = aVector.iDataPtr[i];
    }
    *aPtrMin = min;
    *aPtrMax = max;
    return 0;
}

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Compilation time: 0.15 sec, absolute running time: 0.2 sec, cpu time: 0.01 sec, memory peak: 5 Mb, absolute service time: 0,57 sec