Unable to find out error in my code

#1

I have understood the code you have sent me but i am unable to find the bug in my code due to which there is run time error. Please reply accordingly.

#2

Plz send your code by saving on ide so that we could check it.

#3

my first approachhttps://ide.codingblocks.com/s/140459

#4

Harsh, plz change your approach , make a frequency array and then based on that have this line of code as ,
int max=0;
char result;
int freq[27]={0};
for(int i=0;i<len;i++)
{
freq[S[i]-97]++;
if(max<freq[S[i]-97])
{
max=freq[S[i]-97];
result=S[i];
}
}