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  1. Practice
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  4. Java Loops II
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Java Loops II

  • rohit8366 + 1 comment

    Hey,

    Just keep on trying, the answer will come up, my algorithm was something like this create a "cumulative" variable and set it equal to user input "a" Inside the INPUT FOR Loop 1)Create a new for loop for a variable say "j", start it from 0 to n where n is the input provided by user and already written in the code. 2)compute the part of (2^j)*b and store it in a variable say "res". 3) Now simply add the equation to the cumulative variable -> cumulative=cumulative+res(refer step 2) 4) Print (cumulative+" ") 5) Close for loop 6) user proper Println syntax tomove cursor to next line.

    • v_lokeshkumar9 + 7 comments

      class Solution{ public static void main(String []argh){ Scanner in = new Scanner(System.in); int t=in.nextInt(); int v=0; for(int i=0;i 

          for(int k=0;k<n;k++)
    { for(int j=0;j<=k;j++)
        v=v+a+(b*(2^j));
       if(k!=n-1)
        System.out.print(v+" ");
        else{
            System.out.print(v);
        }
    }System.out.println("\n");
    v=0;
    }
    in.close();
}

      }

      //can you help me where i went wrong

      • Santhosh3121995 + 0 comments

        class Solution{ public static void main(String []argh){ Scanner in = new Scanner(System.in); int t=in.nextInt(); for(int i=0;i 

        }

        }

      • abhikapoor2000_1 + 1 comment

        you can not use ^ in java (i guess in programming ) use Math.pow(arg1,arg2) check this for more detail

        check my code @ https://codeshare.io/arJ93q ask me if any issue or you can inhence my code -thank you

        • WolfOne + 1 comment

          You can use the '^' in programming. Python, Pearl, (not sure if on Ruby is possible) are some languages that support the use of '^'.

          • ayoubnadri + 0 comments

            isn't ^ XOR

      • vrishabshetty + 0 comments

        u cant add " a " sum it will disturb the sum just substitute and check

      • satyam_pandey571 + 2 comments

        ^ operator is not supported in java

        • emmonisha3 + 0 comments
          [deleted]
        • emmonisha3 + 0 comments

          yes, instead of this use Math.pow() operator..... Hope this is helpful!!!!

          for(int i=0;i 

                  int sum = a+b;
        for(int j=1; j<=n; j++){
            System.out.print(sum+" ");
            sum+=((Math.pow(2,j))*b);
        }
        System.out.println();
    }
      • hamzararrani77 + 0 comments

        and also you have to display the answer in two lines you cannot enter the next line such as if you have two different set of values as answer you have to display them in two lines but with your program after that you are entering the third line

      • pradeepgour7777 + 0 comments
        [deleted]
      • ISUYASHSS + 0 comments

        you cant use to the power here(2^j) you have to use math.pow() function