摘要：
You are given nn strings a1,a2,…,ana1,a2,…,an: all of them have the same length mm. The strings consist of lowercase English letters. Find any string 阅读全文
摘要：
"OK, you are not too bad, em... But you can never pass the next test." feng5166 says."I will tell you an odd number N, and then N integers. There will 阅读全文
摘要：
Now I think you have got an AC in Ignatius.L's "Max Sum" problem. To be a brave ACMer, we always challenge ourselves to more difficult problems. Now y 阅读全文