Codes-N-Tricks

#include<stdio.h>
#include<string.h>
int search_pos(char seq[],int rbt,int indx)
//Searches the next position of 'rbt' Robot
//after 'index' in the sequence
{
    int i,val=-1;char robot;
    if(rbt==1) robot='O'; else robot='B';
    for(i=indx;seq[i]!='\0';i++)
        if(robot==seq[i])
        {
             val=i;
             break;
        }
    return val;
}

int main()
{
    int i,t,n,sq,timer,cnt=0,bt[10],inr;
    char r[10];
    int o_frst,b_frst,o_cur,b_cur,o_targt,b_targt;
    
    scanf("%d",&t);
    
    while(t--)
    {
              timer=0,inr=0;
              o_cur=1,b_cur=1,o_targt=1,b_targt=1;    
              scanf("%d",&n);
              for(i=0;i<n;i++)
              {
                   scanf(" %c %d",&r[i],&bt[i]);
              }
              
              r[i]='\0';bt[i]='\0';
              o_frst=search_pos(r,1,0);
              b_frst=search_pos(r,2,0);
              if(o_frst!=-1) o_targt=bt[o_frst];
              if(b_frst!=-1) b_targt=bt[b_frst];
              
              for(sq=0;sq<strlen(r);)
              {
                   //For Orange Robot
                   if(o_targt>o_cur)
                        o_cur++;
                   else if(o_targt<o_cur)
                        o_cur--;
                   else if(o_targt==o_cur)
                   {
                             if(r[sq]!='B')
                             {
                                  o_targt=bt[search_pos(r,1,sq+1)];
                                  inr=1;
                             }
                   }
                   //For Blue Robot
                   if(b_targt>b_cur)
                        b_cur++;
                   else if(b_targt<b_cur)
                        b_cur--;
                   else if(b_targt==b_cur)
                   {
                             if(r[sq]!='O')
                             {
                                  b_targt=bt[search_pos(r,2,sq+1)];
                                  inr=1;
                             }
                   } 
                   timer++; 
                   
                   if(inr) sq++;//checking if the current button is pushed or not
                   inr=0;                          
              }
              printf("Case #%d: %d\n",++cnt,timer);
    }
    getchar();
}