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  1. Practice
  2. Algorithms
  3. Greedy
  4. Candies
  5. Discussions

Candies

  • rav_gupta11 + 1 comment

    how it is 20?

    • rav_gupta11 + 2 comments

      In your solution '<' should be there instead of '<=', read first solved example.

      • vicky2922 + 0 comments
        [deleted]
      • vicky2922 + 4 comments
            for(int i = 1 ; i < n  ;i++){ //forward track
        if(arr[i] > arr[i-1]){
            dp[i] = dp[i] + dp[i-1]; 
        }
    }

    for(int i = n-2 ; i >= 0 ; i--){ // back track
        if(arr[i] > arr[i+1] && dp[i] <= dp[i+1]){
            dp[i] = dp[i+1] + 1;
        }
    }

    its 22 ..
        • paul_dirac + 0 comments
          [deleted]
        • khushlanipiyush + 1 comment

          I don't think it's a true dp as we are doing reinforcement in the dp array which is not done generally. I also had somewhat same solution but my array name was not dp as mentioned earlier.

          • ariellyrycs + 2 comments

            9 2 3 6 5 4 3 2 2 2

            1,1,2,3,1,1,1,1,1,1 right

            2,1,1,5,4,3,2,1,1,1 left

            find out the max for each reasult

            2,1,2,5,4,3,2,1,1,1

            2+1+2+5+4+3+2+1+1= 20

            • paullb + 0 comments
              [deleted]
            • anmolmittal53 + 0 comments

              brother your maths need to be brushed up first off all you havn't included the last (1) in your result and even if you have not included, you haven't sum up all the values right 2+1+2+5+4+3+2+1+1 = 21

        • yashiagarwal1812 + 0 comments

          how is this working i am unable to get it . could you please explain

        • yashiagarwal1812 + 0 comments
          [deleted]