Lab 7 Answer Sheet -- Solutions

Part 1: Prelab

(Each blank is worth 1/6 point. Part 1 is worth 3 points)

Part A: Operations on integer values

1.
a) Answer: _________ Placement 0____________________ (computations involving only integers return integer values)

b) Answer: _________ 3 Placement ____________________ (notice that the %i controls where the integer appears on the computer screen

c) Answer: ____________5_________________ ( % means "remainder" just like doing 5th grade math)

d) Answer: ___________x = 1.234568___________________

e) Answer: ________Your cost = $1.2346______________________

f) Answer: ________Forgetting the change = $1______________________

g) Answer: ____________x = 1.23456788__________________

h) Answer: ___________y = 1.2345678912 ___________________

i) Answer: ____________x = -0.000000___________________

j) Answer: __________y = 1.234568____________________

k) Answer: __________6:5:1____________________

l) Answer: ____________06:05:01__________________

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Part B: If, nested if and switch statements

2.

m) ____________Non-negative!______________________________

n) _____________Not equal!_____________________________

o) _____________Two_____________________________

3.

p) _____________Positive!_____________________________

q) _____________Equal!____________________________

r) _____________Two Three Not valid!____________________________

Part 2: Simple C programs

(1/3 point per blank(18 blanks) , 6 points for Part 2)

Part A.

a) _____________Odd!____________________________

b) The input is a multiple of Two, Three, and Five!_____

c) _____________Two_____________________________

d) __________Negative Number!________________________________

e) __________Not equal to zero!_______________________________

f) __________One Two Three Not valid!_______________________________

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Part B.

1.

____nickels = cents / 5;_____________ /* nickels */

____if (nickels > 0)____________________________/* nickels */

________printf %i nickels_____or variations like printf("%i \n", nickels);___________________/* nickels */

pennies = _____cents % 5;__________________/* pennies */

if ( _______pennies > 0_____________________ ) /* pennies */

_________printf %i pennies_____or variations like printf("%i \n", pennies);______________/* pennies */

2.

__________4__________ quarters

___________1_________ dimes

___________1_________ nickels

_________2___________ pennies

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Part C.

3.

input = 2/3/8 output = _________02/03/2008___________________________________

input = 12/7/96 output = ________12/07/1996____________________________________