摘要：
Giving two strings and you should judge if they are matched. The first string contains lowercase letters and uppercase letters. The se... 阅读全文
摘要：
zk has n numbers a1,a2,...,ana1,a2,...,an. For each (i,j) satisfying 1≤iusing namespace std;const int maxn=1e5+5;int n,m;vector a,b,c... 阅读全文