Advertisement
Guest User

Untitled

a guest
Nov 21st, 2014
136
0
Never
Not a member of Pastebin yet? Sign Up, it unlocks many cool features!
  1. #include <stdio.h>
  2. #include <math.h>
  3.  
  4. int main(){
  5.     long long i,k;
  6.     scanf("%lld",&k);
  7.     i=0;
  8.     //tim so i lon nhat thoa man tong 2^1+2^2+...+2^i<= k <=> 2^(i+1)-2<=k
  9.     while((pow(2,i+1)-2)<k){
  10.         i++;
  11.     }
  12.     //stt nam trong doan [i^2 --> i^2+2^i]
  13.     //2^(i-1)+1 <= k <= 2^i
  14.     //===> stt= i^2 + (k-2^(i-1)) neu i>1
  15.     //      stt=k+1               neu i=1
  16.     printf("%d\n",i);
  17.     if(i==1) printf("%lld",k+1);
  18.     else printf("%1.0f",i*i+(k-pow(2,i-1)));
  19.     getch();
  20.     return 0;
  21. }
Advertisement
Add Comment
Please, Sign In to add comment
Advertisement