MinimumShoppingCost.java

//http://programmingcode4life.blogspot.my/2015/08/minimun-shopping-cost-samu-and-shopping.html

import java.util.*;
import java.io.*;
public class MinimumShoppingCost{

     public static void main(String []args){
        
        Scanner scan = new Scanner(System.in);
        String line = System.getProperty("line.separator");
        scan.useDelimiter(line);
        
        int cases = scan.nextInt();
        
        int []value = new int[cases];
        
        for(int x=0;x<cases;x++){
            int N = scan.nextInt();
            String []data = new String[N];
            for(int y=0;y<N;y++){
                data[y] = scan.next();
            }
            int temp=0;
            for(int z=0;z<N;z++){
                String []get = data[z].split(" ");
                
                int min = Integer.parseInt(get[0]);
                for(int a=0;a<get.length;a++){
                    if(Integer.parseInt(get[a])<min)
                        min = Integer.parseInt(get[a]);
                }
                
                temp = temp+min;
            }
            
            value[x]= temp;
        }
        
        for(int b=0;b<value.length;b++)
        System.out.println(value[b]);
     }
}