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摘要： Sample Input Sample Output 14050 #include<cstdio> #include<cstring> #include<algorithm> using namespace std; const int maxn = 5e4+5; int w[15],v[15]; 阅读全文

摘要： The title of this problem is familiar,isn't it?yeah,if you had took part in the "Rookie Cup" competition,you must have seem this title.If you haven't 阅读全文

摘要： Problem Description 不知道大家有没有玩过一个叫做 九连环 的玩具，如下图所示。 如果你不了解九连环，那玄黄就带你领略九连环的奥妙： 九连环是我国传统的民间智力玩具，玩具上面有九个连环套在杆上，目标就是通过一定的方式将九个连环从杆上全部取下来。 玩法是这样的： 1、对每个环，有2种 阅读全文

摘要： Balanced numbers have been used by mathematicians for centuries. A positive integer is considered a balanced number if: 1) Every even digit appears an 阅读全文

摘要： soda has an integer array a1,a2,…,ana1,a2,…,an. Let S(i,j)S(i,j) be the sum of ai,ai+1,…,ajai,ai+1,…,aj. Now soda wants to know the value below: ∑i=1n 阅读全文

摘要： Recall the definition of the median of elements where is odd: sort these elements and the median is the -th largest element. In this problem, the exac 阅读全文

摘要： 11 号上午到了济南大学，然后就是。。。走了一个中午的路emmm。。。。。济南大学真大啊，我从西门走到12号教学楼，又走到西门的大礼堂，再走回12号教学楼，热身赛结束再走回西门的宾馆，两万的步数，到了宾馆我和许哥哥的衣服都湿了。我感觉曲师校园小还挺好的。看了一下知乎才知道，济南大学还有个更大的南校区 阅读全文

摘要： #define xhxj (Xin Hang senior sister(学姐)) If you do not know xhxj, then carefully reading the entire description is very important. As the strongest f 阅读全文

摘要： A balanced number is a non-negative integer that can be balanced if a pivot is placed at some digit. More specifically, imagine each digit as a box wi 阅读全文

摘要： C. Match Pointstime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard output You are given a set of points x1 阅读全文