#include #include #include #include #include using namespace std; int main() { long long int n,i,max=-1,k,j; cin >> n; vector a(n); for (i = 0; i < n; i++) { cin >> a[i]; if(a[i]>max) max=a[i]; } /* Enter your code here. Print output to STDOUT */ long long int aa[max+1]={0}; aa[0]=0; aa[1]=1; aa[2]=3; for(i=3; i<=max; i++) { if(i%2!=0) { aa[i]=aa[i]+i; } else { k=i; j=(k/2)-1; for(; j>=0; j--) { while(j%2!=0) { j--; } aa[i]=aa[i]+aa[k]+j+aa[j]+1; k=j; } } } for(i=0;i