0721 統算 example 1.cpp

[markoo (上行下笑阿..)]

#include <stdio.h>
#include <stdlib.h>
#include <math.h>
int main()
{
        int i,j;
        int n;                  //size of data
        int index;
        double temp;
        double *data;
        printf("Input the size of data:");
        scanf("%d",&n);
        data = (double *) malloc (n*sizeof(*data));
        for (i=0;i<n;i++)
        {
                data[i] = rand()/32767.0;
                printf("%lf\n",data[i]);
        }
        system("pause");

        for (i=0;i<n;i++)
        {
                temp = data[i];
                index = i;
                for (j=i;j<n;j++)
                {
                        if (data[i]>data[j])
                        {
                                data[i] = data[j];
                                index = j;
                        }
                }
                data[index] = temp;
        }
        for (i=0;i<n;i++) printf("%lf\n",data[i]);
        return 0;
}

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