-2
I have this loop
ll t,n,total,answer[2][1025];
int arr[100001];
memset(answer,0,sizeof(answer));
memset(arr,0,sizeof(arr[0]*n));
for(int i=1; i<n; i++)
{
for(int j=0; j<=1024; j++)
{
int index1=(i-1)%2;
int index2=j^arr[i];
ll pre1=answer[index1][j]%MOD;
l...