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CS619 Final Project Test Phase 1 Solution Video tutorial

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Problem Statement for Test Phase 1:

 Heavy Decimal Count:

          A non-negative integer is called heavy if the average value of its digits in decimal representation exceeds 7.

For example, the number is 9688, it has four digits i.e. Nine, Six, Eight, Eight (9,6,8,8). The average value of its digits is (9+6+8+8)/4 = 7.75. As the average value 7.75 is greater than 7, so we can say that 9688 is a heavy number.

Now take another example, suppose given number is 41153. It has five digits i.e. 4,1,1,5,3.  Average value of its digits is (4+1+1+5+3)/5 = 2.8. As the average value 2.8 is less than 7, so we can say that 41153 is not a heavy number.

Now, it is required from you to write a function:

          heavyDeciCount(x,y)

In this function two non-negative integers X and Y will be passed as a parameters and the function will count and return the total number of heavy integers within the range of [x..y] (both ends included) (remember x and y are the parameters of the function).

You should consider the following conditions while writing and executing your code.

X is an integer within the range [0…500000];
Y is an integer within the range [0…500000];

X<=Y (X will be less than or equal to Y).

 

Working of a Program

For example, user gave two numbers i.e. X=9872 and Y=9884. Your program will take these numbers and pass to the function heavyDeciCount(x,y). The function should return 6, because there are six heavy integers within the range [9872….9884];

Calculation Performed by the function is:

Number

Avg. Calculation

Average Value

Is Heavy

9872

(9+8+7+2)/4

6.50

No

9873

(9+8+7+3)/4

6.75

No

9874

(9+8+7+4)/4

7.00

No

9875

(9+8+7+5)/4

7.25

Yes

9876

(9+8+7+6)/4

7.50

Yes

9877

(9+8+7+7)/4

7.75

Yes

9878

(9+8+7+8)/4

8.00

Yes

9879

(9+8+7+9)/4

8.25

Yes

9880

(9+8+8+0)/4

6.25

No

9881

(9+8+8+1)/4

6.50

No

9882

(9+8+8+2)/4

6.75

No

9883

(9+8+8+3)/4

7.00

No

9884

(9+8+8+4)/4

7.25

Yes

 

Total Heavy Count

6

 

 

Sample Output

Enter 1st integer: 9872

Enter 2nd integer: 9884

Number         Average        Is Heavy

9872             6.50              No

9873             6.75              No

9874             7.00              No

9875             7.25              Yes

9876             7.50              Yes

9877             7.75              Yes

9878             8.00              Yes

9879             8.25              Yes

9880             6.25              No

9881             6.50              No

9882             6.75              No

9883             7.00              No

9884             7.25              Yes

Total Heavy Count:   6

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