test case 2 and 3 are giving run error what am i lacking in the code
#include<bits/stdc++.h>
using namespace std;
int main()
{
long long int a[100000000+1]={0};
a[2]=1;
for (long long int i=3;i<=100000000;i+=2)
{
a[i]=1;
}
for(long long int i=3;i<=100000000;i+=2)
{
if(a[i])
{
for(long long int j=ii;j<=100000000;j += 2i)
{
a[j]=0;
}
}
}
long long int m,n;
int k;
cin>>k;
while(k--)
{
cin>>m;
cin>>n;
for(long long int i=m;i<=n;i++)
{
if(a[i])
{
cout<<i<<endl;
}
}
cout<<endl;
}
return 0;
}