#include <bits/stdc++.h>
using namespace std;
#define max 100000
bool arr[100001];
int sp[100001];
void soe()
{
 int i, j;
 memset(arr, true, sizeof(arr));
 arr[0] = false;
 arr[1] = false;
 for(i = 4; i <= max; i += 2)
     arr[i] = false;
 for(i = 3; i * i <= max; i += 2)
 {
  if(arr[i])
  {
   for(j = i * i; j <= max; j += i)
       arr[j] = false;
  }
 }
}
void spf()
{
 int i, j;
 for(i = 2; i <= max; i += 2)
     sp[i] = 2;
 for(i = 3; i <= max; i += 2)
 {
  if(arr[i])
  {
   sp[i] = i;
   for(j = i; j * i <= max; j += 2)
       sp[j * i] = i;
  }
 }
}

Line 24: error: bits/stdc++.h: No such file or directory