Sams Teach Yourself C++ in 21 Days

17: else

18: cout << “a-b does not equal c: “;

19: return 0;

20: }

3. Enter the program from Exercise 2; compile, link, and run it. Enter the numbers
   20, 10, and 50. Did you get the output you expected? Why not?


4. Examine this program and anticipate the output:
   1: #include
   2: using namespace std;
   3: int main()
   4: {
   5: int a = 2, b = 2, c;
   6: if (c = (a-b))
   7: cout << “The value of c is: “ << c;
   8: return 0;
   9: }
   Enter, compile, link, and run the program from Exercise 4. What was the output? Why?

98 Day 4