#include <iostream>

using namespace std;

int main()
{
    int t;
    cin >> t;

    while(t--){
        int a, b;
        cin >> a >> b;
        a--; b--;

        int maxi = 0;

        for(int c = 0; c <= a; c++){
            for(int d = 0; d <= b; d++){
                if(c + (d + 1) * (d + 2) / 2 - 1 <= a && d + (c + 1) * (c + 2) / 2 - 1 <= b){
                    maxi = max(maxi, c + d);
                }
            }
        }

        cout << maxi + 1 << "\n";
    }
}