这是我的一个课程设计

				
				#include"stdio.h"
				FILE *f;
				double block(double ld)
				{
					int c;
					double mu,A;
					c=10;mu=0.1;
					A=ld/mu;
				    int i,j,k,n;
					n=1;
					double sum,jj,p00;
					sum=0;
					for(i=0;i					{
						jj=1;
						n=1;
						for(j=i;j>=1;j--)
						{
							n=n*j;
						}
						for(k=1;k						{
							jj=jj*A;
						}
						p00=jj/n;
						sum=sum+p00;
					}
					double blockpro;
					blockpro=p00/sum;
					printf("%f ",blockpro);
					return blockpro;
				}
				void main()
				{
					f=fopen("out.txt","w");
					double ld,blockpro;
					ld=0.19;
					do{
						ld=ld+0.01;  
						blockpro=block(ld); 
						fprintf(f,"%f ",blockpro);
					}while(ld					fclose(f);
				}