Exercise · Casts and Aliases · lesson 6 of 6
Exercise: average without overflow
Write a function int average(int a, int b) that returns the arithmetic mean of the two numbers. Drop the fraction, as / does with two int operands: 7.5 becomes 7, and -7.5 becomes -7.
average(10, 20)→15average(-7, -8)→-7average(INT_MAX, INT_MAX)→INT_MAX
Constraints: a and b are any int values from INT_MIN to INT_MAX, so a + b may not fit in an int.
