Question

Flowchart and pseudocode for a program that takes a user input consisting of an integer number between 0 and 99 and outputs its conversion as binary. For example, if a user enters 25, the output should be 11001.

The program should also validate the input and continuously ask for a new input if the number is not within the appropriate range of values.

Additional instructions:

• check that the user enters a number between 0 and 99.

Answer 1

Pseudocode:

start

i<-1

base2 <- 0

print Enter an integer between 0 and 99 to convert binary

Accept integer

while(integer>99||integer<0) do

print Invalid input!! Enter an integer between 0 and 99 to convert binary

Accept integer

end while

while (integer!=0) do

rem <-integer%2

integer <- integer / 2

base2 <- base2 + rem*i

i <- i*10

end while

print Binary number

end program

Code to verify the correctness of the above pseudocode:

#include <iostream>

#include <cmath>

using namespace std;

int main()

{

int integer,rem;

long long i=1,base2 = 0;

cout << "Enter an integer between 0 and 99 to convert binary: ";

cin >> integer; // Accept the integer

while(integer>99||integer<0)

{

cout << "Invalid input!!Enter an integer between 0 and 99 to convert binary: ";

cin >> integer; // Accept the integer

}

while (integer!=0)

{

rem = integer%2; // calculate remainder

integer /= 2; // divide integer by 2

base2 += rem*i; //Add remainder*i value to base 2

i *= 10;

}

cout<< "Binary number = "<<base2<<endl ; // print binary number

return 0;

}

Output:

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