Can anyone pls tell which datatype is used to display a 12 digit number in c++ program??

Answer 1

int8 can display up to 2^8 - 1 = 255 3 digits
int16 can display up to 2^16 - 1 = 65535 5 digits
int32 can display up to 2^32 - 1 = 4​294​967​295 10 digits
int64 can display up to 2^64 - 1 = 1.84 * 10^19 20 digits

so you can use int64 for your program

Answer 2

thanks

Answer 3

int64 or long long. type double Also have 15 digit

Answer 4

long double or double.

Answer 5

Long, double ... Data types