Why is this wrong in this ques… Problem Code: BUILDB
#include<bits/stdc++.h>
#include
using namespace std;
int main()
{
int t,n,r,arr1[1000000],arr2[1000000],q,countmax=0,i=0;
cin>> t;
while(t--)
{
countmax=0;
cin >>n >> r;
for(i=0;i<n;i++)
{
cin >>arr1[i];
}
//cin>>q;
for(i=0;i<n;i++)
{
cin >>arr2[i];
}
for(i=1;i<n;i++)
{
countmax=(countmax-r)+arr2[i];
}
countmax=countmax+arr2[0];
cout <<countmax <<endl;
//cout <<"hi";
}
//cout <<"hi";
return 0;
}