PentagonalNumber
时间: 2023-11-11 15:06:03 浏览: 43
Pentagonal numbers are a sequence of numbers that can be represented as dots arranged in the shape of a pentagon. The nth pentagonal number is given by the formula n(3n-1)/2, where n is a positive integer. The first few pentagonal numbers are 1, 5, 12, 22, 35, 51, 70, 92, 117, 145, 176, 210, 247, 287, 330, 376, 425, 477, 532, 590, 651, 715, 782, 852, 925, 1001, ...
相关问题
[Warning] implicit declaration of function 'pentagonalNumber' [-Wimplicit-function-declaration]
这个警告信息表明在代码中使用了一个未声明的函数pentagonalNumber。这通常是因为忘记包含函数声明或函数定义的头文件而导致的。你需要检查代码中是否包含了函数pentagonalNumber的声明或定义,并确保正确包含了相关的头文件。如果函数定义和声明都已经正确包含,那么可能是编译器没有正确识别函数的原型,你可以尝试在函数定义之前添加函数原型声明来解决这个问题。
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