/*标准文档模板*/#include"Stdio.h"#include"math.h"#include"Conio.h"#include"graphics.h"#defineclosegrclosegraph#defineN4/*总的节点数*/#defineL4/*支路数*/#defineJ2*(N-1)#defineM1/*PV节点数*/#defineEP0.00000001/*精度*/#defineMaxTime9/*最大循环次数*/#defineRadToDeg180/3.141