VC++ 绘制成绩分布图源程序代码，成绩分布图源码及实验报告，主要的功能是通过给定的一组成绩数据绘制出成绩的分布图（包括直方图和圆饼图）-VC++ to draw scores distribution of the source code, grade distribution map source and experimental reports, the main function is given a set of performance data to map out the dist