谁会作C语言题呀!急急急 帮下忙呀!!!

#include <stdio.h>
#include <stdlib.h>
#define N 20
#define M 20

main()
{
int i,j,k,m,n;
int r1[M],r2[M],a[N],mr[N][N]={0};

FILE * fp;
printf("程序自动调用c:/stone2.txt文件内相应数据\n");
fp=fopen("c:\\stone2.txt","r");
fscanf(fp,"%d",&n); /*读取集合元素个数*/
for(i=0;i<n;i++) /*读取集合元素*/
fscanf(fp,"%d",&a[i]);
fscanf(fp,"%d",&m); /*读取关系个数*/
for(k=0;k<m;k++)
fscanf(fp,"%d,%d",&r1[k],&r2[k]); /*读取关系*/

fclose(fp);

printf("自反闭包r(R):\n{");
for(i=0;i<n;i++) printf("<%d,%d>,",a[i],a[i]); /*输出自反闭包*/
for(k=0;k<m;k++)
{
if(r1[k]!=r2[k]) printf("<%d,%d>,",r1[k],r2[k]);
else continue;
}
printf("\b}\n");

printf("对称闭包s(R):\n{"); /*输出对称闭包*/
for(k=0;