Morass

H(n)

Jun 24th, 2016
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C++ 0.92 KB | None | 0 0
  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. #define PB push_back
  4. #define ZERO (1e-10)
  5. #define INF (1<<29)
  6. #define CL(A,I) (memset(A,I,sizeof(A)))
  7. #define DEB printf("DEB!\n");
  8. #define D(X) cout<<"  "<<#X": "<<X<<endl;
  9. #define EQ(A,B) (A+ZERO>B&&A-ZERO<B)
  10. typedef long long ll;
  11. typedef long double ld;
  12. typedef pair<ll,ll> pll;
  13. typedef vector<int> vi;
  14. typedef pair<int,int> ii;
  15. typedef vector<ii> vii;
  16. #define IN(n) int n;scanf("%d",&n);
  17. #define FOR(i, m, n) for (int i(m); i < n; i++)
  18. #define REP(i, n) FOR(i, 0, n)
  19. #define F(n) REP(i, n)
  20. #define FF(n) REP(j, n)
  21. #define FT(m, n) FOR(k, m, n)
  22. #define aa first
  23. #define bb second
  24. void ga(int N,int *A){F(N)scanf("%d",A+i);}
  25. int N;
  26. ll som(ll P){
  27.     ll A(sqrt(P)),S(0),L(P),H;
  28.     FT(1,P&&((H=P/k)>A))S+=H;
  29.     FT(1,A+1)H=P/(k+1),S+=k*(L-H),L=H;
  30.     return S;
  31. }
  32. int main(void){
  33.     IN(tt)F(tt)
  34.         scanf("%d",&N),printf("%lld\n",N?som(N):0);
  35.     return 0;
  36. }
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