#include <stdio.h> int main() { int x = 5; int y = ++x; // x is increased first, then y gets 6 printf("x = %d, y = %d\n", x, y); // x = 6, y = 6 int a = 5; int b = a++; // b gets 5 first, then a is increased printf("a = %d, b = %d\n", a, b); // a = 6, b = 5 return 0; }