015_ParesNones.c

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#include <stdio.h>
#include <stdlib.h>
#include <time.h>
 
#define N 1000000
 
int main(int argc, char *argv[])
{
    long int n, i, j;
    float X[N], max, min;
    srand(time(NULL));
    do{
        printf("Ingrese el numero de elementos: ");
        scanf("%ld", &n);
    }while(n<2||n>N);
    printf("Ingrese le valor maximo: ");
    scanf("%f", &max);
    printf("Ingrese el valor minimo: ");
    scanf("%f", &min);
    if(max<min)
    {
        max*=min;
        min=max/min;
        max/=min;
    }
    printf("[%f, %f]\n", min, max);
    printf("Desordenados.\n");
    for(i=0; i<n; i++)
    {
        X[i] = ((max-min)*rand())/RAND_MAX+min;
        printf("X[%ld] = %f\n", i+1, X[i]);
    }
    for(j=0; j<n; j++)
    {
        for(i=j%2; i<(n+j%2)/2; i++)
            if(X[2*i-j%2]>X[2*i+(j+1)%2])
            {
                X[2*i-j%2]*=X[2*i+(j+1)%2];
                X[2*i+(j+1)%2]=X[2*i-j%2]/X[2*i+(j+1)%2];
                X[2*i-j%2]/=X[2*i+(j+1)%2];
            }
/*      for(i=0; i<n/2; i++)
            if(X[2*i]>X[2*i+1])
            {
                X[2*i]*=X[2*i+1];
                X[2*i+1]=X[2*i+1]/X[2*i];
                X[2*i]/=X[2*i+1];
            }
        for(i=1; i<(n+1)/2; i++)
            if(X[2*i-1]>X[2*i])
            {
                X[2*i-1]*=X[2*i];
                X[2*i]=X[2*i-1]/X[2*i];
                X[2*i-1]/=X[2*i];
            }*/
    }
 
    printf("Ordenados.\n");
    for(i=0; i<n; i++)
        printf("X[%ld] = %f\n", i+1, X[i]);
    return 0;
}