int getFirstIndexInLex(char arr[],int size)
{
int minindex=0,i;
for(i=1;i<size;i++)
{
if(arr[i] < arr[minindex])
minindex=i;
else if(arr[i]==arr[minindex])
minindex=checkmin(arr,size,minindex,i);
}
return minindex;
}
int checkmin(char arr[],int size,int i,int j)
{
int k=0;
while(arr[i]!=arr[j] && k<size)
{
i=(i+1)%size;
j=(j+1)%size;
k++;
}
if(k==0)
return i; //Strings at i and j are
both same. You can return either index
else if(arr[i]<arr[j]) //String starting at index i
is less than string starting at index j
return i;
else //String starting at index
j is less than string starting at index i
return j;
}
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