#include <bits/stdc++.h>   using namespace std;   const int N = 1005;   char g[N][N];   int main() {     ios_base::sync_with_stdio(0);     cin.tie(0);     int t;     cin >> t;     while (t--) {       long double h, c, t;       cin >> h >> c >> t;       if (t >= h) {         cout <<  1 n ;         continue;       }       if ((h + c) / 2 >= t) {         cout <<  2 n ;         continue;       }       int x = 0;       x = (h - t) / (2 * t - h - c);       long double curd = 100000000.0;       int res = -1;       for (int i = max(0, x - 50); i <= x + 50; ++i) {         long double xx = (i + 1) * h + i * c;         xx = 1.0 * xx / (2 * i + 1);         xx = abs(xx - t);         if (xx < curd) {           curd = xx;           res = i;         }       }       cout << 2 * res + 1 <<   n ;     }   }   