#pragma GCC optimize("Ofast,fast-math,unroll-loops,inline,no-stack-protector")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,sse4.1,sse4.2,avx,avx2,abm,mmx,popcnt")

#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <algorithm>
#include <cmath>
#include <vector>
#include <set>
#include <map>
#include <unordered_set>
#include <unordered_map>
#include <queue>
#include <ctime>
#include <cassert>
#include <complex>
#include <string>
#include <cstring>
#include <chrono>
#include <random>
#include <queue>
#include <bitset>

using namespace std;
#define pb push_back
#define int long long

signed main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
    int q;
    cin >> q;
    while (q--) {
        int h, c;
        long double t;
        cin >> h >> c >> t;
        if (2 * t <= h + c) {
            cout << 2 << '\n';
        } else {
            t -= ((h + c) * 1.0 / 2);
            long double dif = (h - c);
            long double t2 = t;
            t /= dif;
            t = 1 / t;
            t -= 2;
            t /= 4;
            int r = round(t);
            pair<long double, long double> kek = {1010101, 10101};
            for (int delta = -80; delta <= 80; delta++) {
                int r2 = r + delta;
                if (0 <= r2) {
                    kek = min(kek, {abs(t2 - dif / (4 * r2 + 2)), r2});
                }
            }
            cout << 2 * kek.second + 1 << '\n';
        }
    }
}