Ejemplo043.c File Reference

#include <stdio.h>
#include <time.h>
#include <stdlib.h>
#include <string.h>

Include dependency graph for Ejemplo043.c:

Go to the source code of this file.

Macros
#define	N   50

Functions
int	main (int argc, char *argv[])

Macro Definition Documentation

N

#define N   50

Definition at line 6 of file Ejemplo043.c.

Function Documentation

main()

int main	(	int	argc,
		char *	argv[] )

Definition at line 8 of file Ejemplo043.c.

{
    int i, n;
    double x;
    FILE *fp;
    char filename[N];
    do{
        printf("Ingrese el valor de n: ");
        scanf("%d", &n);
    }while(n<1);
    if(argc==2)
        strcpy(filename, argv[1]);
    else
        strcpy(filename, "Prueba.txt");
    fp = fopen(filename, "wt");
    if(fp==NULL)
        return 1;
    srand(time(NULL));
    fprintf(fp, "%d\n", n);
    for(i=0; i<n; i++)
    {
        x = (1.0*rand())/RAND_MAX;
        fprintf(fp, "%d\t%lf\n", i+1, x);
        printf("x[%d] = %lf\n", i+1, x);
    }
    fclose(fp);
    return 0;
}