Swap means exchange the value of two variable. There is four different method. Using Temporary Variable Without Using Temporary Variable Using Bitwise Operator Using Multiplication And Division Using Temporary Variable #include <iostream> using namespace std; int main() { int a = 31, b = 12, temp; cout << "Before swapping " << endl; cout << "a = " << a << ", b = " << b << endl; temp = a; a = b; b = temp; cout << "\nAfter swapping" << endl; cout << "a = " << a << ", b = " << b << endl;…