func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int T;     cin >> T;     while (T--) {       long long n, k;       cin >> n >> k;       long long cur = 1, now = 1, ans = 0;       while (now <= k && cur < n) {         cur += now;         now <<= 1;         ans++;       }       if (cur < n) {         ans += (n - cur + k - 1) / k;       }       printf( %lld n , ans);     }     return 0;   }   