#include <bits/stdc++.h>

using namespace std;

int main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    int n; cin >> n;
    
    while(n--){
        long double a, b; cin >> a >> b;
        long double ans = sqrtl(a) + sqrt(b);
        ans++;
        cout << (int) ans << "\n";
    }
}