solution of balagurusamy of chapter 8.11

#include<stdio.h>
#include<conio.h>
#include<string.h>

int main()
{
    char s1[40],s2[40];
    printf("enter string 1:\n");
    scanf("%s",s1);
    printf("enter string 2:\n");
    scanf("%s",s2);

    if(strcmp(s1,s2)==0)
        printf("They are equal.");
    else if(strcmp(s1,s2)<0)
        printf("s1 is less than s2");
    else
        printf("s1 is greater than s2");
    getch();
    return 0;
}