Array rotation problem

#1

#include
#include
using namespace std;
bool ispermutation(char *s1,char *s2)
{int i;
int l1=strlen(s1);
int l2=strlen(s2);
int freq[26]={0};
for(i=0;i<l1;i++)
{
freq[s1[i]-‘a’]++;
}
for(i=0;i<l2;i++)
{
freq[s1[i]-‘a’]–;
}
for(i=0;i<26;i++)
{
if(freq[i]!=0)
cout<<“false”;
}
cout<<“true”;
}
main()
{
char s1[100],s2[100];
cin>>s1>>s2;
ispermutation(s1,s2);

}
i am not able to find where i can put cout<<“true”;

#2

In your code you are not returning anything from bool function. For this code you have to make 4 changes :

  1.  if( freq[i]!=0 ) 
         return false;

  2. and at the end instead of cout<<"true";   you have to use     return true;

  3. In second for loop of bool function u are using s1[i] which is wrong as you have to decrease the frequency according to s2[i]  

  4. in main function you will do int x=ispermutation(s1,s2); and then according to x you will output true and false.
#3

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