fangliang201110的专栏

/**********************************************************   *DESCRIPTION                                                                          *   *         Quick sort an array a.

1 /**********************************************************   2  *DESCRIPTION                                             *   3  *      Find the second big number from an array.         *   4  *P

#include int main(void) { int a = 4; int b = 5; printf("Before change: a = %d\tb = %d\n", a, b); a ^= b; b ^= a; a ^= b; printf("After change: a = %d\tb = %d\n", a, b); return 0