yyffw的博客

构造函数bitset b; b有n位，每位都为0.参数n可以为一个表达式.如bitset b0;则"b0"为"00000"; bitset b(unsigned long u); b有n位,并用u赋值;如果u超过n位,则顶端被截除如:bitsetb0(5);则"b0"为"00101"; bitset b(string s); b是string对象s中含有的位

Team FormationTime Limit: 3 Seconds      Memory Limit: 131072 KBFor an upcoming programming contest, Edward, the headmaster of Marjar University, is forming a two-man team from N students of h