/*

float.c

*/

#include<stdio.h>

#include<string.h>

int main()

{

    FILE *fp = fopen("Data.txt","w+");

    float f[][] = {{-3.41, 5.63, , 7.8, 1.3},

        {4.5 , -, -23.5, , -23.794},

        {-12.5, -96.2, -8347.2, , -629.0},

    };

    char buf[];

    int offset = ;

    int i,j;

    for (j =  ; j < ; j++)

    {

        offset = ;

        for (i =  ; i < ; i++)

        {

            offset += sprintf(buf+offset, "%.2f ", f[j][i]);

        }

        sprintf(buf + offset,"\n");

        printf("%s",buf);

        fwrite(buf, strlen(buf), , fp);

    }

    fclose(fp);

    return ;

}