Anwar_Rizk

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Jul 4th, 2021 (edited)
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  1. #include <iostream>
  2. #include <iomanip>
  3. #include <algorithm>
  4. #include <string>
  5. #include <cmath>
  6. #include <vector>
  7. #include <set>
  8. #include <map>
  9. #include <utility>
  10. #include <functional>
  11. using namespace std;
  12. #define cin(vec) for(auto& i : vec) cin >> i
  13. #define cin_2d(vec, n, m) for(int i=0; i<n; i++) for(int j=0; j<m && cin >> vec[i][j]; j++);
  14. #define cout(vec) for(auto& i : vec) cout << i << " "; cout << "\n";
  15. #define cout_2d(vec, r, c) for(int i=0; i<r; i++, cout << "\n") for(int j=0; j<c && cout << vec[i][j] << " "; j++);
  16. #define matrix(grid, n, m) vector < vector <int> > grid(n, vector <int> (m));
  17. #define Time cerr << "Time Taken: " << (float)clock() / CLOCKS_PER_SEC << " Secs" << "\n";
  18. #define ceil(n, m) (((n) / (m)) + ((n) % (m) ? 1 : 0))
  19. #define fixed(n) cout << fixed << setprecision(n)
  20. #define Num_of_Digits(n) ((int)log10(n)+1)
  21. #define TC int t; cin >> t; while(t--)
  22. #define rall(s) s.rbegin(), s.rend()
  23. #define all(s) s.begin(), s.end()
  24. #define sz(x) int(x.size())
  25. #define Pair pair <int, int>
  26. #define fi first
  27. #define se second
  28. #define pb(x) push_back(x)
  29. #define ull unsigned long long
  30. #define ll long long
  31. #define PI acos(-1)
  32. #define Mod 1'000'000'007
  33. #define INF 2'000'000'000
  34. #define EPS 1e-9
  35.  
  36. void Code_Crush(){
  37.   ios_base::sync_with_stdio(false), cin.tie(nullptr), cout.tie(nullptr);
  38.   #ifndef ONLINE_JUDGE    // Anwar Rizk 🤩🖤
  39.     freopen("input.txt", "r", stdin), freopen("output.txt", "w", stdout);
  40.   #endif
  41.   Time
  42. }
  43.  
  44. vector <int> primes(1e8+1, true);
  45.  
  46. void Sieve(){
  47.   int sqr = sqrt(sz(primes));
  48.   for(int i = 2; i <= sqr; i++){
  49.     if(primes[i]){
  50.       for(int j = i * i; j <= 1e8; j += i)
  51.           primes[j] = false;
  52.     }
  53.   }
  54. }
  55.  
  56. int main()
  57. {   Code_Crush();
  58.  
  59.     Sieve();
  60.     int cnt = 1;
  61.     cout << 2 << "\n";
  62.     for(int i = 3; i <= 1e8; i += 2){
  63.       if(primes[i]){
  64.         cnt++;
  65.         if(cnt % 100 == 1)    cout << i << "\n";
  66.       }
  67.     }
  68.    
  69.   return 0;
  70. }
  71.  
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