文件名称:triangle
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这是一个符号三角形问题的求解。第一行有n个符号。符号可以为“+”或“-”,以下每一行的符号由上行得到,2个同号下面都是“+”,2个异号下面都是“-”,计算有多少个不同的符号三角形,使其所含的“+”和“-”的个数相同。用户可以说输入多组测试数据n,以0为结束标志。-This is a symbolic triangle of solving the problem. There are n the first line of symbols. Symbols for or - , the following symbols from each line up to be, with the No. 2 the following are+ , 2 months following its all different - to calculate how many different symbols triangle so that it contained and - the same number. Users can be said that the test data-input multiple-group n, to 0 to end the signs.
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triangle
........\H11 -- 符号三角形.files
........\H11 -- 符号三角形.htm
........\sanjiao.cpp
........\H11 -- 符号三角形.files
........\H11 -- 符号三角形.htm
........\sanjiao.cpp