摘要:
A. Multiples of 3 and 5 大水题,计算出below n内是3,5倍数的总和 数据较大,只能用求和公式 #include <iostream> #include <cstdio> typedef long long ll; using namespace std; int mai 阅读全文
摘要:
IMMEDIATE DECODABILITY Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 12907 Accepted: 6188 Description An encoding of a set of symbols is 阅读全文