Answer Posted / vidyullatha

#include<stdio.h>

main()
{
int i=0,k=0,l=0;
int cnt=1;
int space=7;
for (i=4;i>0;i--)
{
for(l=1;l<=cnt;l++)
{
printf("%d ",i);
}
for(k=0;k<space;k++)
{
printf(" ");
}
for(l=1;l<=cnt;l++)
{
printf("%d ",i);
}
cnt++;
space=space-2;
printf("\n");
}
for(i=0;i<9;i++)
{
printf("0 ");
}
printf("\n");
cnt=7;
for(i=1;i<=4;i++)
{
for(k=0;k<i;k++)
printf(" ");
for(l=1;l<=cnt;l++)
{
printf("%d ",i);
}
printf("\n");
cnt=cnt-2;
}
}

FILE *fp1,*fp2; fp1=fopen("one","w") fp2=fopen("one","w") fputc('A',fp1) fputc('B',fp2) fclose(fp1) fclose(fp2)} a.error b. c. d.

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