用数字（整数）在命令行界面显示金字塔形状（华为技术面试题）。-figures (rounded) on the command line interface shows pyramid shape (Huawei Technologies face questions).

数学建模试题试题集，包含好几套历年题，苦心整理，特此分享-Test set of questions of mathematical modeling, including several sets over the years title, painstakingly sorting, hereby Share