chutia mc,bc bhosdika
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You cannot swap two numbers using call by value, because the called function does not have access to the original copy of the numbers.Swap with call by reference... This routine uses exclusive or swap without temporary variable.void swap (int *a, int *b) {*a ^= *b;*b ^= *a;*a ^= *b;return;}
In decimal we write a number by using a combination of 10 digits (0-9). In base 2, however, numbers are written by using a combination of only 2 digits (0 & 1). We call this number system binary.
arabic numbers or decimal numbers
a call number is the number on books in librarys for example: 92 B witch that would be a biography.
If you mean what do you call a number with only 1 and itself as factors, then it is a prime number.