https://www.naukri.com/code360/problems/beautiful-string_1115625?leftPanelTabValue=PROBLEM

https://www.hackerrank.com/challenges/java-loops/problem?isFullScreen=true


2
0 2 10
5 3 5

a=0 b=2 n=10

(0+1.2) (0+1.2+2.2) (0+1.2+2.2+4.2)

2 6 

==========================================
class Solution{
    public static void main(String []argh){
        Scanner in = new Scanner(System.in);
        int t=in.nextInt();
        int a=0;
        int b=0;
        int n=0;
        for(int k=0;k<t;k++){
             a = in.nextInt();
             b = in.nextInt();
             n = in.nextInt(); 
             
             int sum=0;
           for(int i=0;i<n;i++){
               sum=a;
              for(int j=0;j<=i;j++){
                  sum=sum+(int)Math.pow(2,j)*b;
              } 
              System.out.print(sum+" ");
           }  
           System.out.println();
             
            
            
             
        
        }
        
        
       
        
        in.close();
    }
}
================================================================
public class Solution {
    public static int makeBeautiful(String str) {
       int mincount=0;
       int n=str.length();
       String str1=generateString(0,str.length());
       String str2=generateString(1,str.length());

       int diff1=0;
       int diff2=0;

       for(int i=0;i<str.length();i++){
           if(str.charAt(i)!=str1.charAt(i)){
               diff1++;
           }
       }

       for(int i=0;i<str.length();i++){
           if(str.charAt(i)!=str2.charAt(i)){
               diff2++;
           }
       }
       return Math.min(diff1,diff2);
    }
    static String generateString(int control, int len){
        String s="";
        if(control==0){
            for(int i=0;i<len;i++){
                if(i%2==0){
                    s=s+'0';
                }else{
                    s=s+'1';
                }
            }
        }else{
            for(int i=0;i<len;i++){
                if(i%2==1){
                    s=s+'0';
                }else{
                    s=s+'1';
                }
            }
        }
        return s;
    }
    
}
====================================================================

1010
0101


0000 = 4

1010 = 2
0101 = 2

Math.min(2,2)=2







1010

1010 = 0
0101 = 4

Math.min(0,4)=0
============================================


001100

101010 =
010101