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El_GEMMY

overthinking

May 17th, 2022
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C++ 3.31 KB | None | 0 0
  1. // Those who cannot remember the past are
  2. // condemned to repeat it (use DP -_-)
  3. // - George Santayana
  4.  
  5. #include <bits/stdc++.h>
  6. #include <ext/pb_ds/assoc_container.hpp>
  7. #include <ext/pb_ds/tree_policy.hpp>
  8.  
  9. using namespace std;
  10. using namespace __gnu_pbds;
  11.  
  12. #define all(v) v.begin(), v.end()
  13. #define rall(v) v.rbegin(), v.rend()
  14. #define ll long long
  15. #define ull unsigned long long
  16. #define MOD 1000000007
  17. #define PI 3.14159265
  18. #define ceil(a, b) (((a) / (b)) + ((a) % (b) ? 1 : 0))
  19. #define imin INT_MIN
  20. #define imax INT_MAX
  21. #define llmax LLONG_MAX
  22. #define llmin LLONG_MIN
  23. #define inf 2000000000
  24. #define nl '\n'
  25. #define ppcnt __builtin_popcount
  26. #define ppcntll __builtin_popcountll
  27. #define clz __builtin_clz
  28. #define clzll __builtin_clzll
  29. #define ctz __builtin_ctz
  30. #define ctzll __builtin_ctzll
  31. #define modulo(a, b, mod) ((((a) % (mod)) * ((b) % (mod))) % (mod))
  32. #define cnte(v, x) count(all(v), (x))
  33. #define mine(v) min_element(all(v))
  34. #define maxe(v) max_element(all(v))
  35. #define updmin(a, b) a = min(a, b)
  36. #define updmax(a, b) a = max(a, b)
  37. #define findmod(x, m) x = ((x) % (m) + (m)) % m
  38. #define getmod(x, m) ((x) % (m) + (m)) % (m)
  39. #define debug(x) cout << "x: " << (x) << nl;
  40. #define debug2(x, y) cout << "x: " << (x) << " y: " << y << nl;
  41. #define ordered_set tree<ll, null_type, less<>, rb_tree_tag, tree_order_statistics_node_update>
  42. #define ordered_map tree<int, int, less<>, rb_tree_tag, tree_order_statistics_node_update>
  43.  
  44. //vector<int> dx = {0, 0, 1, -1, 1, 1, -1, -1}, dy = {1, -1, 0, 0, 1, -1, 1, -1};
  45. //vector<int> dx = {0, 0, 1, -1}, dy = {1, -1, 0, 0};
  46.  
  47. template<typename T = int> istream& operator>>(istream& in, vector<pair<int, int>>& v){
  48.     for (auto& [x, y] : v) in >> x >> y;
  49.     return in;
  50. }
  51.  
  52. template<typename T = int> istream& operator>>(istream& in, vector<T>& v){
  53.     for (T& i : v) in >> i;
  54.     return in;
  55. }
  56.  
  57. template<typename T = int> ostream& operator<<(ostream& out, const vector<T>& v){
  58.     for (const T& x : v)
  59.         out << x << ' ';
  60.     return out;
  61. }
  62.  
  63. template<typename T = pair<int, int>> ostream& operator << (ostream& out, const vector<pair<int, int>>& v){
  64.     for(auto& [x, y] : v){
  65.         out << x << ' ' << y << nl;
  66.     }
  67.     return out;
  68. }
  69.  
  70. void Start_Crushing() {
  71.     ios_base::sync_with_stdio(false);
  72.     cin.tie(nullptr);
  73.     cout.tie(nullptr);
  74. #ifndef ONLINE_JUDGE
  75.     freopen("input.txt", "r", stdin);
  76.     freopen("output.txt", "w", stdout);
  77. #endif
  78. }
  79.  
  80. vector<ll> memo;
  81.  
  82. ll dp(int n){
  83.     if(n == 1)
  84.         return 1;
  85.  
  86.     ll& ret = memo[n];
  87.     if(~ret)
  88.         return ret;
  89.  
  90.     ret = 1;
  91.     for(int i = 1; i <= sqrt(n); i++){
  92.         if(n % i == 0){
  93.             ret += dp(i);
  94.  
  95.             if (i != n / i and i != 1)
  96.                 ret += dp(n / i);
  97.         }
  98.     }
  99.     return ret;
  100. }
  101.  
  102. void solve(){
  103.     int n; cin >> n;
  104.  
  105.     cout << dp(n);
  106. }
  107.  
  108. int main(){
  109.     Start_Crushing();
  110.  
  111. //    freopen("closing.in", "r", stdin);
  112. //    freopen("closing.out", "w", stdout);
  113.     memo.assign(1e5 + 5, -1);
  114.     int t = 1;
  115.     /*Multiple test cases?*/ cin >> t;
  116.     while (t--) {
  117.         solve();
  118.         if(!t)
  119.             break;
  120.         cout << nl;
  121.     }
  122.  
  123. //    for(int tc = 1; tc <= t; tc++){
  124. //        cout << "Case #" << tc << ": ";
  125. //        solve();
  126. //        if(tc != t)
  127. //            cout << nl;
  128. //    }
  129.  
  130.     return 0;
  131. }
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