Answer Posted / sheikh rasel

#include<stdio.h>
int main()
{
int n;
clrscr();
printf("\nenter a integer number::");
scanf("%d",&n);
switch(n)
{
case:1
printf("\nOne");
break;
case:2
printf("\nTwo");
break;
case:3
printf("\nThree");
break;
case:4
printf("\nFour");
brak;
case:5
printf("\nFive");
break;
case:6
printf("\nSix");
break;
case:7
printf("\nSeven");
break;
case:8
printf("\nEight");
break;
case:9
printf("\nNine");
break;
default:
printf("\nSorry");
}
getch();
}

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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