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- #include <iostream>
- #include <stdio.h>
- #include <math.h>
- using namespace std;
- long long int prime(long long int n)
- {
- bool flag = false;
- while (!flag)
- {
- flag = true;
- n += 1;
- for (int i = 2;i<n-1;i++)
- {
- if (n%i == 0)
- {
- flag = false;
- break;
- }
- }
- }
- return n;
- }
- long long int a(long long int n)
- {
- if (n==1)
- {
- return prime(pow(10,14));
- }
- else {
- return prime(a(n-1));
- }
- }
- long long int f(long long int n)
- {
- if (n==0)
- {
- return 0;
- } else if (n==1)
- {
- return 1;
- } else
- {
- return f(n-1) + f(n-2);
- }
- }
- long long int b(long long int n)
- {
- return f(a(n));
- }
- int main()
- {
- long long int total = 0;
- for (int i =0;i<100001;i++)
- {
- total += b(i);
- }
- cout << total << endl;
- }
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