dfs 1A

/*************************************************************************
	> File Name: code/whust/#9/K.cpp
	> Author: 111qqz
	> Email: rkz2013@126.com 
	> Created Time: 2015年08月05日 星期三 15时02分30秒
 ************************************************************************/

 1#include<iostream> …

"... so forward this to ten other people, to prove that you believe the emperor has

题意是说发短信,每个人只会给一个人发,问从哪个人开始发,能传到的人最多

思路是每个人开始做一遍dfs...

毫无意外的TLE了

Oil Deposits

**Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)
Total Submission(s): 17683 Accepted Submission(s): 10172
**

Problem Description

The GeoSurvComp geologic survey company is responsible for detecting underground oil deposits. GeoSurvComp works with one large rectangular …

http://poj.org/problem?id=1564

dfs

三个参数 x,sum,k,   x表示开始的坐标,sum表示当前的和,k表示这是一组答案中的第几个数,是用来记录路径的...

调了好久没写出来...我写完之后答案会有重复.一开始想开一个boolean数组记录,这样第一组样例的3+1就只会输出一遍,但是这样,2+2就不会被记录到答案中了.