#define  endll  "\n"
#define  ll long long
#define vi vector<int>
#define vll vector<ll>
#define pb push_back
#define pll pair<ll,ll>
#define pii pair<int,int>
#define vpii vector<pii>
#define vpll vector<pll>

#include <bits/stdc++.h>

using namespace std;
int const N = 5e5 + 5;
ll n, k;

ll bs() {
    ll st = 0, ed = 1e9, ans = 1;
    while (st <= ed) {
        ll mid = (st + ed) / 2;
        if (mid * k >= n)
            ed = mid - 1, ans = mid * k;
        else if (mid * k < n)
            st = mid + 1;
    }
    return ans;
}

int main() {
    ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
#ifndef ONLINE_JUDGE
    freopen("input", "rt", stdin);
    //  freopen("output", "wt", stdout);
#endif

    int q;
    cin >> q;
    while (q--) {
        cin >> n >> k;
        if (k < n)
            k = bs();
        cout << k / n + (k % n != 0) << endll;
    }
}

