cv8_5, C (clang) - rextester

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//clang 6.0.0

#include  <stdio.h>

#define N  8

int ctidata(size_t aSize, double *aData);
int minmax(size_t aSize, double *aData, double *aPtrMin, double *aPtrMax);

int main(void)
{  
    double data[N];
    if(ctidata(N, data) == -1)
    {
        printf("Chyba cteni vstupnich dat!\n");
        return 2;
    }

double min, max;
    if(minmax(N, data, &min, &max) == -1)
    {
        printf("Chyba: Chybne parametry funkce minmax!\n");
        return 1;
    }
    
    printf("min=%f max=%f\n", min, max);
    return 0;
}

int ctidata(size_t aSize, double *aData)
{
    if(aData == NULL)
        return -1;
    printf("Zadej %zu cisel: ", aSize);
    for(size_t i = 0; i < N; ++i)
        scanf("%lf", aData + i);
    return 0;
}

int minmax(size_t aSize, double *aData, double *aPtrMin, double *aPtrMax)
{
    if(aData == NULL || aPtrMin == NULL || aPtrMax == NULL)
        return -1;
    double min, max;
    min = aData[0];
    max = aData[0];
    for(size_t i = 1; i < aSize; ++i)
    {
       if(aData[i] > max)
           max = aData[i];
        else if(aData[i] < min)
            min = aData[i];
    }
    *aPtrMin = min;
    *aPtrMax = max;
    return 0;
}

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Compilation time: 0.12 sec, absolute running time: 0.18 sec, cpu time: 0.01 sec, memory peak: 5 Mb, absolute service time: 0,46 sec