根据所给的点的坐标算出最拟合曲线的公式，并根据原来的x值算出新的y值。并将数据储存到一个data文件-A C++ programme finds the best-fitted straight line to the x and y values, and then writes the original x, y values and the new y values on the line (for each x) to a data file. X: 1.0000 2.0000