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This chapter is from the book

This chapter is from the book

Exercises

  1. Type in and run the six programs presented in this chapter. Compare the output produced by each program with the output presented after each program in the text.

  2. Write a program that prints the following text at the terminal.

    In C, lowercase letters are significant.

    main is where program execution begins.

    Opening and closing braces enclose program statements in a routine.

    All program statements must be terminated by a semicolon.

  3. What output would you expect from the following program?

    #include <stdio.h>
    
    int main (void)
    {
      printf ("Testing...");
      printf ("....1");
      printf ("...2");
      printf ("..3");
      printf ("\n");
    
      return 0;
    }
  4. Write a program that subtracts the value 15 from 87 and displays the result, together with an appropriate message, at the terminal.

  5. Identify the syntactic errors in the following program. Then type in and run the corrected program to ensure you have correctly identified all the mistakes.

    #include <stdio.h>
    
    int main (Void)
    (
        INT sum;
        /* COMPUTE RESULT
        sum = 25 + 37 - 19
        /* DISPLAY RESULTS //
        printf ("The answer is %i\n" sum);
        return 0;
    }
  6. What output might you expect from the following program?

    #include <stdio.h>
    
    int main (void)
    {
       int answer, result;
    
       answer = 100;
       result = answer - 10;
       printf ("The result is %i\n", result + 5);
    
       return 0;
    }
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