#include <stdio.h>

int main()
{
    int length, i = 0, j = 0, same=0, different=0;
    char string1[101];
    char string2[101];
    printf("Please enter the length of the two stringsn");
    scanf("%d", &length);
    getchar();

    printf("nPlease enter the first stringn");
    while((string1[i] = getchar())!='n')
        i++ ;
        string1[i] = '';

    printf("nPlease enter the second stringn");
    while((string2[j] = getchar())!='n')
        j++ ;
        string2[j] = '';

    for(i=0; i<=(length-1); i++){
            for(j=0; j<=(length-1); j++){
                if(string1[i]==string2[j] || string1[i]==string2[j] + 32 || string1[i]==string2[j] - 32){
                    same++;
                }
                if(string1[i]!=string2[j] || string1[i]!=string2[j] + 32 || string1[i]!=string2[j] - 32){
                    different++;
                }
            }

    }

    if(same>=length && different<=length*length){
        printf("nThe two strings are the same!");
    }
    else{
        printf("nThe two strings are not the same!");
    }

    return 0;
}

char *str1; //all ready to go
char *str2; //also ready to go
int countOne[128] = {0}, countTwo[128] = {0}, ndx, equal = 1;
while (*str1) {
   if (*str1 >= 'A' && *str1 <= 'Z')
      countOne[*str1++ + 'a' - 'A']++;
   else
      countOne[*str1++]++;
}
while (*str2) {
   if (*str2 >= 'A' && *str2 <= 'Z')
      countOne[*str2++ + 'a' - 'A']++;
   else
      countOne[*str2++]++;
}
for (ndx = 0; ndx < 128 && equal; ndx++)
   equal = countOne[ndx] == countTwo[ndx];

//equal now has whether they are equal.

main()
{
char s[120],t[120];
int i,j,extra;
printf("enter first string:");
gets(s);
flushall();
printf("enter second string:");
gets(t);
for(i=0;s[i];i++)
{
    if(s[i]>=65&&s[i]<=90)
      s[i]+=32;
    for(j=0;t[j];j++)
    {
       if(t[j]>=65&&t[j]<=90)
         t[j]+=32;
       if(s[i]==t[j])
       {
         t[j]=1;
         break;
       }
    }
    if(!t[j])
      break;
}
for(i=extra=0;t[i];i++)
   if(t[i]!=1)
     extra++;
if(!s[i] && extra==0)
  printf("matched");
else
  printf("not matched");
}