言安阳
class String{public://普通构造函数String(const char *str = NULL) { if(str == NULL) { m_data = new char[1];&n
#include<stdio.h>#include<stdlib.h>int main(){ int i = 0; int j = 0;
解法一:#include<stdio.h>#include<stdlib.h>int count_one_bits(unsigned value){ int ones; for (on
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