Question

Write a complete C++ program that asks the user to input a character. Using the ASCII character set as a guide, state whether the user's character is a digit (0 to 9), a letter (a to z or A to Z) or a symbol. Include the character's decimal, octal, and hex valur as well in your input.

Answer 1

C++ Code:

#include <iostream>

using namespace std;

void convertToOctal(int dec){

int octal[100];

int a=0;

while (dec != 0) {

octal[a]=dec%8;

dec=dec/8;

a++;

}

for (int b=a-1;b>=0;b--)

cout<<octal[b];

}

void convertToHex(int dec){

int a=1,b,c;

char hex[100];

while(dec!=0)

{

c=dec%16;

if(c<10)

hex[a++]=c+48;

else

hex[a++]=c+55;

dec=dec/16;

}

for (b=a;b>0;b--)

cout<<hex[b];

}

int main() {

char ch;

int dec;

cout<<"Enter a character: ";

cin>>ch;

if(ch>=48 && ch<=57){

cout<<ch<<" is a digit"<<endl;

dec=ch;

cout<<"Decimal value of "<<ch<<" is "<<dec<<endl;

cout<<"Octal value of "<<ch<<" is ";

convertToOctal(dec);

cout<<endl;

cout<<"Hex value of "<<ch<<" is ";

convertToHex(dec);

cout<<endl;

}

else if(ch>=65 && ch<=122){

cout<<ch<<" is an Alphabet"<<endl;

dec=ch;

cout<<"Decimal value of "<<ch<<" is "<<dec<<endl;

cout<<"Octal value of "<<ch<<" is ";

convertToOctal(dec);

cout<<endl;

cout<<"Hex value of "<<ch<<" is ";

convertToHex(dec);

cout<<endl;

}

else{

cout<<ch<<" is a Symbol"<<endl;

dec=ch;

cout<<"Decimal value of "<<ch<<" is "<<dec<<endl;

cout<<"Octal value of "<<ch<<" is ";

convertToOctal(dec);

cout<<endl;

cout<<"Hex value of "<<ch<<" is ";

convertToHex(dec);

cout<<endl;

}

}

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