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An algorithm to find the radius of a circle, given the circumference.
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Step 1
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Input C
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[ input circumference of the circle ]
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Step 2
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radius ← C / (2 * PI )
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[ compute radius of the circle]
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Step 3
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Output radius
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[ display output]
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Step 4
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:
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Stop
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Example 2 :
An algorithm to find the area of a rectangle
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Step 1
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Input L
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[input the length of the rectangle]
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Step 2
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Input B
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[input the breadth of a rectangle]
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Step 3
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Area ← L * B
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[ compute the area of a rectangle ]
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Step 4
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Output Area
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[Display the area]
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Step 5
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:
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Stop
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Example 3:
Algorithm to find the total and average of the marks in 5 subjects when register number, name and marks in 5 subjects are input.
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Step 1
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Initialise Total and avg to 0.
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Step 2
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Input Regno
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[input Register number of student]
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Step 3
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Input Name
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[input Name of the student ]
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Step 4
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Input Eng
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[Input marks in English – subject 1]
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Step 5
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Input Hindi
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[Input marks in Hindi – subject 2]
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Step 6
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Input Phy
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[Input marks in Physics – subject 3]
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Step7
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Input Chem
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[Input marks in Chemistry – subject 4]
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Step 8
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Input Stat
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[Input marks in Statistics – subject 5]
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Step 9
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Total ← Eng + Hindi + Phy + Chem + Stat
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[ Compute the total of all subjects ]
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Step 10
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Avg ← Tot / 5
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[compute average marks]
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Step 11
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Output Total
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[display total]
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Step 12
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Output Avg
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[display average]
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Step 13
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stop
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Example 4 :
Algorithm to find whether a number input is positive , negative or zero.
Step 1 : Input N [ input a number n]
Step 2 : Check whether N is greater than zero, if yes output N is ‘positive’, goto step 5.
Step 3 : Check whether N is less than zero, if yes output N is ‘negative’, goto step 5.
Step 4 : Output N is ‘zero’
Step 5 : Stop
Example 5 :
Algorithm to find the largest of 2 numbers.
Step 1 : Input M, N [input 2 numbers M and N]
Step 2 : Is M greater than N, if yes output M “ is larger of ” N goto Step 4.
Step 3 : Output N “is larger than ” M
Step 4 : Stop.
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