Language in C 面试题与答案
Question: How to write a swap( ) function which swaps the values of the variables using bitwise operators.
Answer: Here is the swap( ) function.swap ( int *x, int *y ) { *x ^= *y ; *y ^= *x ; *x ^= *y ; } The swap( ) function uses the bitwise XOR operator and does not require any temporary variable for swapping. |
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