int main(int argc, char **argv)
{
unsigned char a = 10, b = 100;
std::cout<<sizeof(a-b)<<endl;
return 1;
}
Output: 4
What is the return data type?
int main(int argc, char **argv) { unsigned char a = 10, b = 100;
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int main(int argc, char **argv)
{
unsigned char a = 10, b = 100;
std::cout<<sizeof(a-b)<<endl;
return 1;
}
Output: 4
What is the return data type?
Arithmetic is always performed at least with
intprecision in C++.aandbare both promoted tointand the result of the subtraction is of typeint.There are a set of rules used to determine the type used for an arithmetic operation; MSDN has a handy table listing the rules.