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C/C++ Interactive Reference Guide
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C-C++ Interactive Reference Guide.iso
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c_ref
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csource4
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253_01
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sumsqres.c
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1990-02-15
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/* Chapter 5 - Program 1 */
int sum; /* This is a global variable */
main()
{
int index;
header(); /* This calls the function named header */
for (index = 1;index <= 7;index++)
square(index); /* This calls the square function */
ending(); /* This calls the ending function */
}
header() /* This is the function named header */
{
sum = 0; /* Initialize the variable "sum" */
printf("This is the header for the square program\n\n");
}
square(number) /* This is the square function */
int number;
{
int numsq;
numsq = number * number; /* This produces the square */
sum += numsq;
printf("The square of %d is %d\n",number,numsq);
}
ending() /* This is the ending function */
{
printf("\nThe sum of the squares is %d\n",sum);
}
/* Result of execution
This is the header for the square program
The square of 1 is 1
The square of 2 is 4
The square of 3 is 9
The square of 4 is 16
The square of 5 is 25
The square of 6 is 36
The square of 7 is 49
The sum of the squares is 140
*/