11843 - Guessing Game/11843.cpp

   1 using namespace std;
   2 #include <algorithm>
   3 #include <iostream>
   4 #include <iterator>
   5 #include <numeric>
   6 #include <sstream>
   7 #include <fstream>
   8 #include <cassert>
   9 #include <climits>
  10 #include <cstdlib>
  11 #include <cstring>
  12 #include <string>
  13 #include <cstdio>
  14 #include <vector>
  15 #include <cmath>
  16 #include <queue>
  17 #include <deque>
  18 #include <stack>
  19 #include <list>
  20 #include <map>
  21 #include <set>
  22
  23 #define foreach(x, v) for (typeof (v).begin() x=(v).begin(); x !=(v).end(); ++x)
  24 #define For(i, a, b) for (int i=(a); i<(b); ++i)
  25 #define D(x) cout << #x " is " << x << endl
  26
  27 int main(){
  28     int C;
  29     cin >> C;
  30     while (C--) {
  31         int n, s;
  32         cin >> n >> s;
  33         int ans = 0;
  34         while (n > 0) {
  35             if (s > 1) {
  36                 n /= 2;
  37                 s--;
  38             } else {
  39                 n--;
  40             }
  41             ans++;
  42         }
  43         printf("%d\n", ans);
  44     }
  45     return 0;
  46 }