摘要：原书代码如下：#include <iostream>#include <math.h>#include <time.h>#define BITSPERWORD 32#define SHIFT 5#define MASK 0x1F#define M 100#define N 10000000int a[1+N/BITSPERWORD];void set(int i){ a[i>>SHIFT] |= (1<<(i & MASK));}void clr(int i){ a[i>>SHIFT] &= ~(1< 阅读全文