Answer Posted / bala murali

#include<stdio.h>
#include<conio.h>
main()
{
char s1,s2;
printf("enter a string:");
gets(s1);
strcpy(s2,s1);
strrev(s2);
if(strcmp(s1,s2))
printf("palindrome:");
else
printf("not a palindrome:");
getch();
}

I want to write a C++ language program that: 1. Reads in the size of a square from the screen; 2. Prints a hollow square of that size out of “-“, “|” and blanks on screen; 3. Prints the same hollow square onto a text file. The program should work for squares of all side sizes between 1 and 20.

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