Why is codechef not accepting this?

#include<stdio.h>
int main()
{
    int i,j,T;
    int c1[20],c2[20];
    char s[20][100000];

    scanf("%d",&T);

    for(i=0;i<T;i++)
    {
        c1[i]=0;
        c2[i]=0;
    }

    for(i=0;i<T;i++)
        scanf("%s",s[i]);
    for(i=0;i<=T-1;i++)
    { 
        for(j=0;s[i][j]!='\0';j++)
        {  
            if(s[i][j]=='A')
            { 
                c1[i]++;
            }
            else if(s[i][j]=='B')
            {
                c2[i]++;                
            }    
            else if(s[i][j]=='.') 
            {
                if(s[i][j+1]=='A'&&s[i][j-1]=='A')
                    c1[i]=c1[i]+1;
                else if (s[i][j+1]=='B'&&s[i][j-1]=='B')
                    c2[i]=c2[i]+1;
            }
        }
    }

    for(i=0;i<T;i++)
        printf("%d %d\n",c1[i],c2[i]);
}