#include main() { int i; // i is an integer variable. float x; // x is a floating-point variable. char c; // c is a character variable. x = 4.7; // 4.7 is assigned to x. cout << x << endl; i = x + 2.1; // 6 (after truncating the fractional part of ... cout << i << endl; // ... 6.8) is assigned to i. c = 81; // The character with ASCII code 81 ('Q') is ... cout << c << endl; // ... assigned to c. The character is 'Q'. i = 'b'; // The ASCII code of 'b' (98) is assigned to i. cout << i << endl; return 0; }