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MohamedAbdel3al

fibonacci

Mar 8th, 2022
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  1. #include <bits/stdc++.h>
  2.  
  3. using namespace std;
  4.  
  5. #define cin(vec) for(auto& i : vec) cin >> i
  6. #define cin_2d(vec, n, m) for(int i = 0; i < n; i++) for(int j = 0; j < m && cin >> vec[i][j]; j++);
  7. #define cout(vec) for(auto& i : vec) cout << i << " "; cout << "\n";
  8. #define cout_2d(vec, n, m) for(int i = 0; i < n; i++, cout << "\n") for(int j = 0; j < m && cout << vec[i][j] << " "; j++);
  9. #define cout_map(mp) for(auto& [f, s] : mp) cout << f << " " << s << "\n";
  10. #define Time cerr << "Time Taken: " << (float)clock() / CLOCKS_PER_SEC << " Secs" << "\n";
  11. #define fixed(n) fixed << setprecision(n)
  12. //#define ceil(n, m) (((n) / (m)) + ((n) % (m) ? 1 : 0))
  13. #define fill(vec, value) memset(vec, value, sizeof(vec));
  14. #define Num_of_Digits(n) ((int)log10(n)+1)
  15. #define all(vec) vec.begin(),vec.end()
  16. #define rall(vec) vec.rbegin(),vec.rend()
  17. #define sz(x) int(x.size())
  18. #define TC int t; cin >> t; while(t--)
  19. #define fi first
  20. #define se second
  21. #define Pair pair < int, int >
  22. #define ll long long
  23. #define ull unsigned long long
  24. #define Mod 1'000'000'007
  25. #define OO 2'000'000'000
  26. #define EPS 1e-9
  27. #define PI acos(-1)
  28. #define imin INT_MIN
  29. #define imax INT_MAX
  30. #define getline(s) getline(cin >> ws , s)
  31. #define pb(x) push_back(x)
  32. #define to_decimal(bin) stoi(bin, nullptr, 2)
  33.  
  34. void Code_Crush(){
  35. ios_base::sync_with_stdio(false), cin.tie(nullptr), cout.tie(nullptr);
  36. #ifndef ONLINE_JUDGE
  37. freopen("input.txt", "r", stdin), freopen("output.txt", "w", stdout);
  38. #endif
  39. Time
  40. /* MohamedAbdEl3al ♥️🥇♥️ */
  41. }
  42.  
  43.  
  44.  
  45. int fib[52];
  46.  
  47. void fibona(int n){
  48. memset(fib, 1, sizeof(fib));
  49. fib[0] = 0, fib[1] = 0;
  50. for(int i = 2; i < n; i++){
  51. fib[i] = fib[i - 1] + fib[i - 2];
  52. for(int j = 2; j <= sqrt(fib[i]); j++){
  53. if(fib[i] % j == 0) fib[i] = 0;
  54. }
  55. }
  56. }
  57.  
  58. void Solve(){
  59. int n;
  60. cin >> n;
  61. cout << (fib[n - 1] == 0 ? "not prime" : "prime") << "\n";
  62. }
  63.  
  64. int main (){
  65. Code_Crush();
  66. fibona(51);
  67. int t = 1;
  68. cin >> t;
  69. while(t--){
  70. Solve();
  71. }
  72. return 0;
  73. }
  74.  
  75.  
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