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Can anyone tell why i am getting WA .I am using (nlogk) algo for it.
Here is my code.

#include<iostream>
using namespace std;
int a[50000],p[50000],pt[50000],i,j,k;
int srch(int b)
{
int m;
for(m=j-1;m>=0;m--)
{
if(a[m]==b)
break;
}
return m;
}
void prnpath(int ind)
{
if(ind==-1)
return ...