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# What are octal integer constants and hexadecimal integer constants?

Also rules to write them

5 Respostas

+ 7

if you want algorithm to convert integers to octal then it would be like this :
while(num > 0)
{
cout << num % 8;
num /= 8;
}
for integers to hex
int num = 235458;
vector<char> myVec;
while(num > 0)
{
int hex = num % 16;
if(hex > 9)
myVec.push_back((char)(hex - 10 + 'A'));
else
myVec.push_back((char)(hex + 48));
num /= 16;
}
for(int i = myVec.size() - 1; i >= 0; i--)
cout << myVec.at(i);

+ 1

I was hesitated to see that you wrote octal & hexadecimal integer constants, are you asking how to create a constant in octal & hexadecimal, or how to write an integer in a certain base (octal & hexadecimal)?
Also you need to specify which language in question tags.

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please explain rule to write them as such

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im asking in c++. iwant t know how to write random integers like 13 in their format

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please tel the algorithm to get it