Problem C

#include <bits/stdc++.h>
using namespace std;
const int N = 200009;
int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
//    freopen("/home/hamoudi/Coding/run.in", "r", stdin);
    int tt = 1;
    cin >> tt;
    while (tt--) {
        int computers, cables;
        cin >> computers >> cables;
        int counter = 0;
//      first we will start with only 1 cable and connect it to only one conputer
        int used_cables = 1;
        while (computers > 0) {
//            then we will decrease number of remaining computers by connect it to the min between cables and used_cables
            computers -= min(used_cables, cables);
//             now we can increment the number used_cables
            used_cables += min(cables, used_cables);
//            we have done an operation, so we have to increment the counter
            ++counter;
        }
        cout << counter << '\n';
    }
    return 0;
}