// 쿠키애호가
package Bronze_III_3;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.StringTokenizer;
public class Ex11134 {
public static void main(String[] args) throws IOException {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
int t = Integer.parseInt(br.readLine());
for (int i = 0; i < t; i++) {
StringTokenizer st = new StringTokenizer(br.readLine());
long n = Long.parseLong(st.nextToken()); // 가진 쿠키 개수
int c = Integer.parseInt(st.nextToken()); // 먹는 쿠키 개수
if (n % c == 0) {
System.out.println(n / c);
} else {
System.out.println(n / c + 1);
}
}
}
}