摘要：
unsigned int 0～4294967295 int 2147483648～2147483647 unsigned long 0～4294967295long 2147483648～2147483647long long的最大值：9223372036854775807long long的最小值 阅读全文
摘要：
F(x) Time Limit: 1000/500 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 4423 Accepted Submission(s): 1632 Problem Des 阅读全文
摘要：
1 //2016.8.31 2 #include 3 #include 4 5 using namespace std; 6 7 void print_subset(int n, int *a, int cur)//增量构造法 8 { 9 for(int i = 0; i < cur; i++)cout<<a[i];//打印当前集合，即选出的元素序号 10 ... 阅读全文