URI Problem (Dividing X by Y) 1116:
Dividing X by Y is a basic problem on URI online judge for novice problem solver.
You can find details on this Link.

import java.util.Scanner;

/**
 * @Author : Muhammad Harun-Or-Roshid
 * @Date : Oct 18, 2016
 * @Time : 11:42:47 PM
 */
public class Uri1116 {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        for (int i = 0; i < n; i++) {
            int x = sc.nextInt();
            int y = sc.nextInt();
            if (y == 0) {
                System.out.println("divisao impossivel");
            } else {
                System.out.printf("%.1f\n", ((double) x / y));
            }
        }
    }
}