有以下程序 #include main() { FILE *fp; int k, n, a[6]={1,2,3,4,5,6}; fp = fopen("d2.dat", "w"); fprintf(fp, "%d%d%d\n", a[0],a[1],a[2]); fprintf(fp, "%d%d%d\n", a[3],a[4],a[5]); fclose(fp); fp = fopen("d2.dat", "r"); fscanf(fp, "%d%d", &k, &n); printf("%d %d\n", k, n); fclose(fp); } 程序运行后的输出结果是