The wind of freedom blows

（POJ - 3096）Surprising Strings The D-pairs of a string of letters are the ordered pairs of letters that are distance D from each other. A string is D-unique if all of its D-pairs are different. A string is surp

(CSU - 1974)神奇药水 对于csuxushu来说，能够在CSU(California State University)组织2017年的ACM暑期集训让他感到十分荣幸。 csuxushu是一名充满梦想的程序员，因此他也希望来参加暑期集训的ACM萌新们和他一样怀揣着书写CSU-ACM历史的梦想。 一个偶然的机会，他在机房的某个角落得到了一本来自远古神犇的药水配方秘籍。秘籍上记载了许多AC药水配方,每一种药水都

（HDU - 1597）find the nth digit 假设： S1 = 1 S2 = 12 S3 = 123 S4 = 1234 ......... S9 = 123456789 S10 = 1234567891 S11 = 12345678912 ............ S18 = 123456789123456789 .................. 现在我们把所有的串连接起来 S = 112123

(CodeForces - 600B)Queries about less or equal elements You are given two arrays of integers a and b. For each element of the second array bj you should find the number of elements in array a that are less than

（UVA - 11995）I Can Guess the Data Structure! There is a bag-like data structure, supporting two operations: `1 x Throw an element x into the bag. ` `2 Take out an element from the bag.` Given a sequence of oper

（CodeForces - 527C）Glass CarvingLeonid wants to become a glass carver (the person who creates beautiful artworks by cutting the glass). He already has a rectangular w mm  ×  h mm sheet of glass, a diamond glass

（HDU - 1022）Train Problem I As the new term comes, the Ignatius Train Station is very busy nowadays. A lot of student want to get back to school by train(because the trains in the Ignatius Train Station is the

(HDU - 1896)Stones Because of the wrong status of the bicycle, Sempr begin to walk east to west every morning and walk back every evening. Walking may cause a little tired, so Sempr always play some games this

（CodeForces - 831C）Jury Marks Polycarp watched TV-show where k jury members one by one rated a participant by adding him a certain number of points (may be negative, i. e. points were subtracted). Initially the

转载来源： https://blog.youkuaiyun.com/yjunyu/article/details/77728410?locationNum=10&fps=1 vector的几种初始化及赋值方式： （1）不带参数的构造函数初始化 //初始化一个size为0的vector vecto...