I need sudo code! so that I can solve this question in PYTHON.

I Need Sudo Code! So That I Can Solve This Question In PYTHON.

Answers

Answer 1

Coding:

   import java.util.ArrayList;

   import java.util.Comparator;

   import java.util.List;

   import java.util.Scanner;

   

   public class StuckInARutSilver {

   

       public static void main(String[] args) {

           Scanner in = new Scanner(System.in);

           List<Integer> eastCows = new ArrayList<>();

           List<Integer> northCows = new ArrayList<>();

           int n = in.nextInt();

           int[] xs = new int[n];

           int[] ys = new int[n];

           for (int j = 0; j < n; j++) {

               if (in.next().charAt(0) == 'E') {

                   eastCows.add(j);

               } else {

                   northCows.add(j);

               }

               xs[j] = in.nextInt();

               ys[j] = in.nextInt();

           }

           eastCows.sort(Comparator.comparingInt(j -> ys[j]));

           northCows.sort(Comparator.comparingInt(j -> xs[j]));

           boolean[] isStopped = new boolean[n];

           int[] amtStopped = new int[n];

           for (int j : eastCows) {

               for (int k : northCows) {

                   if (!isStopped[j] && !isStopped[k] && xs[k] > xs[j] && ys[j] > ys[k]) {

                       if (xs[k] - xs[j] > ys[j] - ys[k]) {

                           isStopped[j] = true;

                           amtStopped[k] += 1 + amtStopped[j];

                       } else if (ys[j] - ys[k] > xs[k] - xs[j]) {

                           isStopped[k] = true;

                           amtStopped[j] += 1 + amtStopped[k];

                       }

                   }

               }

           }

           for (int j = 0; j < n; j++) {

               System.out.println(amtStopped[j]);

           }

       }

   }

Explaination:

We can solve this problem by considering all pairs of a cow going east and a cow going north in order to determine which cow directly stops which other cow. Let's say the cow going east starts from (x,y) and the cow going north starts from (u,v). Their theoretical paths intersect if x<u and v<y, in which case they must intersect at (u,y). This means that, assuming both cows reach (u,y) (instead of being stopped earlier), the cow that reaches (u,y) first will stop the other cow (if they both reach at the same time, as per the problem statement neither one is stopped).

Therefore, in order to determine the stopping relations, you might naively loop through all pairs of eastward cows and northward cows and see which cows reach the intersection point first. However, this doesn't account for the fact that either one may have been stopped earlier.

A clean way to deal with this is to sort all eastward cows by their y and all northward cows by their x, then loop through all pairs of eastward and northward cows in this order. We then keep track for each cow of whether we know it is stopped and the amount of cows that we know it has stopped (directly or indirectly).

The sorting guarantees that each northward cow will be checked against the eastward cows in increasing order of when the northward cow would reach their intersection point, and similarly for the eastward cows. Because of this, when we check a pair of cows neither of which we know has stopped yet, we can be sure that both will reach the intersection point and thus the earlier one must have stopped the later one. We also know that this means that the later cow can't now reach any more intersections than it already has, so the amount of cows it has stopped is final and we can add it, plus 1 for that cow itself, to the count for the earlier cow. Note that with other approaches, it may be necessary to run a second pass of essentially a recursive depth-first search to identify and count sizes of "connected components" of stopped cows, in order to assign blame counts appropriately.

The complexity of sorting is O(NlogN), and looping through all pairs of northward and eastward cows is O(N2), so the overall complexity is O(N2). Solutions in O(N2logN) would also be fast enough.


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Answers

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hello!

the answer for this question is:

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Pa-sagot po pls need ko na po ng answer rn.Thank you so much po in advance

REPORT
✔︎Naghahakot ng pts
✔︎Non sense answer

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I hope it's help ^^

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Answers

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Answers

Answer:

I hope this helps

Explanation:

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