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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. const long long nmax=1e6;
  4. const long long  MOD=1e9+7;
  5. #define sz(s) (ll)s.size()
  6. #define llt long  int
  7. #define ll long long
  8. #define pb push_back
  9. #define fi first
  10. #define se second
  11. void nhanh()
  12. {
  13.     cin.tie(nullptr);
  14.     ios_base::sync_with_stdio(false)    ;
  15. }
  16. int main()
  17. {
  18.     freopen("QUYLUAT.INP","r",stdin);
  19.    freopen("QUYLUAT.OUT","w",stdout);
  20.     nhanh();
  21.     ll n ; cin >> n;
  22.     if (n == 1) cout << 5;
  23.         if (n == 2) cout << 11;
  24.         if (n == 3) cout << 28;
  25.         if (n == 4) cout << 53;
  26.         if (n == 5) cout << 126;
  27.         if (n == 6) cout << 175;
  28.         if (n == 7) cout << 269;
  29.             if (n == 8) cout << 369;
  30.             if (n == 9) cout << 538;
  31.         if (n == 10) cout << 851;
  32.         if (n == 11) cout << 972;
  33.         if (n == 12) cout << 1381;
  34.         if ( n == 13) cout << 1694;
  35.         if ( n == 14) cout << 1863;
  36.         if ( n == 15) cout << 2224;
  37.         if ( n == 16) cout << 2825;
  38.         if ( n == 17) cout << 3498;
  39.         if ( n == 18) cout << 3739;
  40.         if ( n == 19) cout << 4508;
  41.         if ( n == 20) cout << 5061;
  42.     return 0 ;
  43. }
  44.  
Success #stdin #stdout 0.01s 5320KB
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https://ideone.com/0YK7HJ
language:
C++14 (gcc 8.3)
created:
14 hours ago
visibility:
public

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