Ejemplo014.c

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#include<stdio.h>
#include<stdlib.h>
#include<time.h>
 
#define N 10000
 
int main(int argc, char*argv[])
{
    int i, j, n;
    float max, min, x[N], aux;
    srand(time(NULL));
    do{
        printf("Ingrese el numero de elementos: ");
        scanf("%d", &n);
    }while(n<1||n>N);
    printf("Ingrese el valor maximo: ");
    scanf("%f", &max);
    printf("Ingrese el valor minimo: ");
    scanf("%f", &min);
    if(min>max)
    {
        if(max)
        {
            if(min)
            {
                min*=max;
                max=min/max;
                min/=max;
            }
            else
            {
                min = max;
                max = 0;
            }
        }
        else
        {
            max = min;
            min = 0;
        }
    }
    printf("Desordenado.\n");
    for(i=0; i<n; i++)
    {
        x[i] = ((max-min)*rand())/RAND_MAX+min;
        printf("X[%d] = %f\n", i+1, x[i]);
    }
    // Algoritmo Pares y Nones
    for(i=0; i<n; i++)
    {
        for(j=i%2; j<(n+i%2)/2; j++)
            if(x[2*j-i%2]>x[2*j+1-i%2])
            {
                aux = x[2*j-i%2];
                x[2*j-i%2] = x[2*j+1-i%2];
                x[2*j+1-i%2] = aux;
            }
        /*
        if(i%2)
            for(j=1; j<n/2; j++)
                x[2*i-1] x[2*i]
            x[1] x[2]
            x[3] x[4]
            x[5] x[6]
        else
            for(j=0; j<n/2; j++)
                x[2*i] x[2*i+1]
            x[0] x[1]
            x[2] x[3]
            x[4] x[5]
            */
    }
    printf("Ordenado.\n");
    for(i=0; i<n; i++)
        printf("X[%d] = %f\n", i+1, x[i]);
    return 0;
}