PIGS Time Limit: 1000ms Memory Limit: 10000KB This problem will be judged on PKU. Original ID: 114964-bit integer IO format: %lld      Java class name: Main     Mirko works on a pig farm that consists of M locked pig-houses and Mirko can't unlock any…

PIGS Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 20662   Accepted: 9435 Description Mirko works on a pig farm that consists of M locked pig-houses and Mirko can't unlock any pighouse because he doesn't have the keys. Customers come t…

51Nod  1268  和为K的组合 1268 和为K的组合 基准时间限制:1 秒 空间限制:131072 KB 分值: 20 难度:3级算法题 给出N个正整数组成的数组A,求能否从中选出若干个,使他们的和为K.如果可以,输出:"Yes",否则输出"No". Input 第1行:2个数N, K, N为数组的长度, K为需要判断的和(2 <= N <= 20,1 <= K <= 10^9) 第2 - N + 1行:每行1个数,对应数组的元素A…

PIGS Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 20579   Accepted: 9387 Description Mirko works on a pig farm that consists of M locked pig-houses and Mirko can't unlock any pighouse because he doesn't have the keys. Customers come t…

There are 1000 buckets, one and only one of them contains poison, the rest are filled with water. They all look the same. If a pig drinks that poison it will die within 15 minutes. What is the minimum amount of pigs you need to figure out which bucke…

传送门:BNUOJ 52325 Increasing or Decreasing题意:求[l,r]非递增和非递减序列的个数思路:数位dp,dp[pos][pre][status] pos:处理到第几位 pre:前一位是什么 status:是否有前导零 递增递减差不多思路,不过他们计算的过程中像5555,444 这样的重复串会多算,所以要剪掉.个数是(pos-1)*9+digit[最高位],比如一位重复子串是:1,2,3,4...9,9个,二位重复子串:11,22,33,44,...,99,9个:…

一道简单的规律题,画出二维表将数字分别相加可以发现很明显的对称性 题目链接:http://www.bnuoj.com/v3/problem_show.php?pid=24251 #include<stdio.h> #include<string.h> #include<algorithm> #include<iostream> #include<math.h> using namespace std; int main() { int sum,n…

1268. Little Chu Time limit: 0.25 secondMemory limit: 64 MB The favorite occupation of Little Chu is to sleep. Strictly speaking, he is busy with nothing but sleeping. Sometimes he wakes up and than the mankind makes some Great Discovery. For the fir…

http://www.bnuoj.com/contest/problem_show.php?pid=44359 快来买肉松饼 Time Limit: 5000 ms     Case Time Limit: 5000 ms     Memory Limit: 32768 KB Description 转眼又到了一年一度的圣战(光棍)节了,单身狗大表哥决定和一群一样孤独的盆友一起出来过节,一起玩游戏,输的人给赢的人买肉松饼,这样大家都不会感到孤单. 为了防止平局出现,大表哥给大家准备了一个奇数(大…

PIGS Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 18209 Accepted: 8277 Description Mirko works on a pig farm that consists of M locked pig-houses and Mirko can't unlock any pighouse because he doesn't have the keys. Customers come to th…