#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
typedef long long ll;
#define rep(i, n) for (int i = 0; i < n; i++)
#define chmin(x, y) x = min(x, y)
#define chmax(x, y) x = max(x, y)
 
int main(){
    ll n ;
    cin >> n ;
    rep(i,n){
            long double a , b , c ;
        cin >> a >> b ;
        c = sqrt(a) + sqrt(b) ;
        ll c_ll = (ll) c ;
        cout << c_ll + 1 << endl ;
    }
}