符号三角形_hdu_2510(深搜).java

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符号三角形_hdu_2510(深搜).java

http://acm.hdu.edu.cn/showproblem.php?pid=2510 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 729 Accepted Submission(s): 361 Problem Description 符号三角形的第1行有n个由“+”和”-“组成的符号 ,以后每行符号比上行少1个,2个…

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这个题我看了,都是推荐的神马双向广搜,难道这个深搜你们都木有发现?还是特意留个机会给我装逼? Open the Lock Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 3014 Accepted Submission(s): 1323 Problem Description Now an emergent task for you…

符号三角形——F

F. 符号三角形 Time Limit: 1000ms Memory Limit: 32768KB 64-bit integer IO format: Java class name: 符号三角形的第1行有n个由“+”和”-“组成的符号 ,以后每行符号比上行少1个,2个同号下面是”+“,2个异号下面是”-“ .计算有多少个不同的符号三角形,使其所含”+“ 和”-“ 的个数相同 . n=7时的1个符号三角形如下:+ + - + - + + + - - - - + - + + + - …

【DFS深搜初步】HDOJ-2952 Counting Sheep、NYOJ-27 水池数目

[题目链接:HDOJ-2952] Counting Sheep Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2476 Accepted Submission(s): 1621 Problem Description A while ago I had trouble sleeping. I used to lie awake,…

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