day 21 hw

/* - */
/* This program stores fingerprint information in a structure. */
/* It then references a function to compute the overall category.*/
#include <stdio.h>
#include <stdlib.h>
/* Define a structure for the fingerprint information. */
/* The order for fingertips is right hand, thumb to pinky, */
/* and left hand, thumb to pinky. The codes are L for loops, */
/* W for whorls, and A for arches. */
struct fingerprint
{
int ID_number;
double overall_category;
char fingertip[10];
};
int main(void)
{
/* Declare and initialize variables. */
struct fingerprint new_print;
double compute_category(struct fingerprint f);
/* Specify information for the new fingerprint. */
new_print.ID_number = 2491009;
new_print.overall_category = 0;
new_print.fingertip[0] = 'W';
new_print.fingertip[1] = 'L';
new_print.fingertip[2] = 'L';
new_print.fingertip[3] = 'W';
new_print.fingertip[4] = 'A';
new_print.fingertip[5] = 'L';
new_print.fingertip[6] = 'L';
new_print.fingertip[7] = 'W';
new_print.fingertip[8] = 'A';
new_print.fingertip[9] = 'L';
/* Reference function to compute overall category. */
new_print.overall_category = compute_category(new_print);
/* Print overall category computed by the function. */
printf("Fingerprint Analysis for ID: %i \n",
new_print.ID_number);
printf("Overall Category: %.2f \n",new_print.overall_category);
/* Exit program. */
return 0;
}
/*--------------------------------------------------------------*/
/* This function computes the overall category */
/* for a fingerprint. */
double compute_category(struct fingerprint f)
{
/* Declare and initialize variables. */
double Rt=0, Ri=0, Rm=0, Rr=0, Rp=0, Lt=0, Li=0, Lm=0, Lr=0,
Lp=0, num, den;
int count = 0;
/* Set values based on whorls. */
if (f.fingertip[0] == 'W')
{
Rt = 16;
}
if (f.fingertip[1] == 'W')
{
Ri = 16;
}
if (f.fingertip[2] == 'W')
{
Rm = 8;
}
if (f.fingertip[3] == 'W')
{
Rr = 8;
}
if (f.fingertip[4] == 'W')
{
Rp = 4;
}
if (f.fingertip[5] == 'W')
{
Lt = 4;
}
if (f.fingertip[6] == 'W')
{
Li = 2;
}
if (f.fingertip[7] == 'W')
{
Lm = 2;
}
if (f.fingertip[8] == 'W')
{
Lr = 0;
}
if (f.fingertip[9] == 'W')
{
Lp = 0;
}
while (f.fingertip != 0)
{
printf("Numbers of whorls: %d", count);
f.fingertip /= 10;
count++;
}
/* Compute the numerator and denominator for overall category. */
num = Ri + Rr + Lt + Lm + Lp + 1;
den = Rt + Rm + Rp + Li + Lr + 1;
return num/den;
}

day 21 lab

/*??????????????????????????????????????????????????????????????-*/
/* This program initializes a long character string and a short */
/* character string. It then prints the locations of the short */
/* string in the long string. It also prints the number of */
/* occurrences of the short string in the long string. */
#include <stdio.h>
#include <string.h>
#define FILENAME "longstring.txt"
int main(void)
{
FILE *in_file = fopen(FILENAME, "r"); //read the textfile
/* Declare and initialize variables. */
int count=0;
char short_str[3],
c = fgetc(in_file);
/* Print Short String. */
printf("Enter the short_string\n");
scanf("%s", short_str);
if (in_file == NULL)//open file
{

printf("cannot open file \n");
}
printf("Your shortstring: %s\n", short_str);
/*Read data from file*/
c = fgetc(in_file);
while(c > 0)
{
printf ("%c", c);
c = fgetc(in_file);
}
fclose(in_file);
/* Exit program. */
return 0;
}

/*????????????????????????????????????????????????????????????-*/

day 19