摘要： DescriptionColonel has n badges. He wants to give one badge to every of his n soldiers. Each badge has a coolness factor, which shows how much it's ow... 阅读全文

摘要： DescriptionA group of N people wishes to go across a river with only one boat, which can at most carry two persons. Therefore some sort of shuttle arr... 阅读全文

摘要： Description There are many unsolvable problem in the world.It could be about one or about zero.But this time it is about bigger number. Given an inte... 阅读全文

摘要： Description从m个不同元素中取出n (n ≤ m)个元素的所有组合的个数，叫做从m个不同元素中取出n个元素的组合数。组合数的计算公式如下:C(m, n) = m!/((m - n)!n!)现在请问，如果将组合数C(m, n)写成二进制数，请问转这个二进制数末尾有多少个零。Input第一行是... 阅读全文

摘要： 有三户人家共拥有一座花园，每户人家的太太均需帮忙整理花园。A 太太工作了5 天，B 太太则工作了4 天，才将花园整理完毕。C 太太因为正身怀六甲无法加入她们的行列，便出了90元。请问这笔钱如何分给A、B 二位太太较为恰当？A 应得多少元？90/(5+4)*5=$50 元？如果这么想你就上当... 阅读全文

摘要： Description把十进制整数转换为十六进制，格式为0x开头，10~15由大写字母A~F表示。Input每行一个整数x，0#include #include using namespace std;int main(){ int x; while(scanf("%d",&x)!=EOF) { p... 阅读全文

摘要： 题意： 有n dollar，the first banana cost k dollars，第i个就需cost k*i，问买w个bananas是否需要借钱；借钱需要多少？ 分析：首先计算w个bananas需要多少money，在与n比较。 阅读全文

摘要： Once upon a time, there is a special coco-cola store. If you return three empty bottles to the shop, you’ll get a full bottle of coco-cola to drink... 阅读全文