int main( ) {
double demoset[] = { 2 , 4 , 4 , 4 , 5 , 5 , 7 , 9 } ;
int demosize = sizeof demoset / sizeof *demoset ;
std::cout << "The standard deviation of\n" ;
std::copy( demoset , demoset + demosize , std::ostream_iterator<double>( std::cout, " " ) ) ;
std::cout << "\nis " << standard_dev( demoset , demoset + demosize ) << " !\n" ;
return 0 ;
}
int main(void)
{
/************************************* Variables ***************************************/
/* k will act as a counter. REMEMBER to reinitialize it to 0 */
int i, score, minscore, maxscore;
int scores[100];
float avg, stdv;
char filename[20];
FILE *file;
/********************* Ask user which file using string variable ***********************/
printf("Enter a file name >>> ");
scanf("%s", filename);
printf("\n\n");
file = fopen(filename, "r");
/****************************** Reading scores to array ********************************/
i=0;
while (fscanf(file, "%d", &score) != EOF) {
scores[i] = score;
i++; /* i is now also the number of scores in the array */
}
/************************************ Function Calls ***********************************/
avg = average(i, scores);
stdv = standard_dev(i, scores, avg);
minscore = minscore = minimum(i, scores);
maxscore = maxscore = maximum(i, scores);
/************************************* Printing ****************************************/
printf("The average of the values in this file is %f.\n\n", avg);
printf("The standard deviation of the values in this file is %f.\n\n", stdv);
printf("The minimum score of the values in this file is %d.\n\n", minscore);
printf("The maximum score of the values in this file is %d.\n\n", maxscore);
/***************************************************************************************/
return (0);
}
