Solved Assignment Problems in C++ (with Algorithm and Flowchart)
Q1. Create a program to compute the volume of a sphere. Use the formula: V = (4/3) *pi*r 3 where pi is equal to 3.1416 approximately. The r is the
radius of sphere. Display the result.
Algorithm Flowchart Program
1. Start Start
2. Read r
3. vol = (4/3) *pi*r*r*r
4. Print or display vol
5. Stop Read r
vol = (4/3) *pi*r*r*r
Write vol
Stop
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Q2. Write a program the converts the input Celsius degree into its equivalent Fahrenheit degree. Use the formula: F = (9/5) *C+32.
Algorithm Flowchart Program
1. Start Start
2. Initialize F=0, C=0
3. Read C
4. Fh = (1.8*C) + 32
C=0, F=0
5. Print or display Fh
6. Stop
Read C
Fh = (1.8*C) + 32
Write Fh
Stop
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Q3. Write a program that converts the input dollar to its peso exchange rate equivalent. Assume that the present exchange rate is 51.50 pesos against
the dollar. Then display the peso equivalent exchange rate.
Algorithm Flowchart Program
1. Start
2. Read dollar Start
3. peso = dollar * 51.50
4. Print or display peso
5. Stop Read dollar
peso = dollar * 51.50
Write peso
Stop
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Q4. Write a program that converts an input inch(es) into its equivalent centimeters. Take note that one inch is equivalent to 2.54cms
Algorithm Flowchart Program
1. Start Start
2. Read inch
3. cm = 2.54 * inch
4. Print or display cm
Read inch
5. Stop
pcm = 2.54 * inch
Write cm
Stop
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Q5. Write a program that exchanges the value of two variables: x and y. The output must be: the value of variable y will become the value of
variable x, and vice versa.
Algorithm Flowchart Program
1. Start
2. Read x, y Start
3. Declare third variable, z
z=x
x=y Read x, y
y=z
4. Print or display x, y
5. Stop z=x
x=y
y=z
Write x, y
Stop
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Q6. Design a program to find the circumference of a circle. Use the formula: C=2πr, where π is approximately equivalent 3.1416.
Algorithm Flowchart Program
1. Start
2. Read r Start
3. Calculate circumference by
the equation:
Circum = 2*pi*r Read r
4. Print Circum
5. Stop
Circum = 2*pi*r
Write
Circum
Stop
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Q7. Write a program that takes as input the purchase price of an item (P), its expected number of years of service (Y) and its expected salvage value
(S). Then outputs the yearly depreciation for the item (D). Use the formula: D = (P - S) Y
Algorithm Flowchart Program
1. Start
2. Read P Start
3. Read S
4. Read Y
5. D = (P-S) * Y Read P
6. Print or display D
7. Stop
Read S
Read Y
D = (P-S) * Y
Write D
Stop
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Q8. Swapping of 2 variables without using temporary (or 3rd variable)
Algorithm Flowchart Program
1. Start
2. Read x and y Start
3. x = x + y
y=x-y
x=x-y Read x, y
4. Print or display x, y
5. Stop
x=x+y
y=x-y
x=x-y
Write x, y
Stop
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Q9. Determine the most economical quantity to be stocked for each product that a manufacturing company has in its inventory: This quantity, called
economic order quantity (EOQ) is calculated as follows: EOQ=2rs/1 where: R= total yearly production requirement S=set up cost per order
I=inventory carrying cost per unit
Algorithm Flowchart Program
1. Start
2. Read R Start
3. Read S
4. Read I
5. EOQ = (2*R*S)/I Read R
6. Print EOQ
7. Stop
Read S
Read I
EOQ = (2*R*S)/I
Write EOQ
Stop
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Q10. Write a program to compute the radius of a circle. Derive your formula from the given equation: A=πr², then display the output.
Algorithm Flowchart Program
1. Start
2. Read r Start
3. Calculate radius by
the equation:
r = sqrt(A/pi) Read A
4. Write r
5. Stop
r = sqrt(A/pi)
Write r
Stop
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