CSES - Datatähti 2024 alku - Results
Submission details
Task:Uolevin kalansaalis
Sender:rottis
Submission time:2023-11-03 12:56:26 +0200
Language:Ruby
Status:READY
Result:37
Feedback
groupverdictscore
#1ACCEPTED37
#20
Test results
testverdicttimegroup
#1ACCEPTED0.07 s1, 2details
#2ACCEPTED0.07 s1, 2details
#3ACCEPTED0.07 s1, 2details
#4ACCEPTED0.08 s1, 2details
#5ACCEPTED0.08 s1, 2details
#6ACCEPTED0.08 s1, 2details
#7ACCEPTED0.08 s1, 2details
#8ACCEPTED0.08 s1, 2details
#9ACCEPTED0.07 s1, 2details
#10ACCEPTED0.07 s1, 2details
#11ACCEPTED0.07 s1, 2details
#12ACCEPTED0.07 s1, 2details
#13ACCEPTED0.07 s1, 2details
#14ACCEPTED0.08 s1, 2details
#15ACCEPTED0.08 s1, 2details
#16--2details
#17--2details
#18--2details
#19--2details
#20--2details
#21--2details
#22--2details
#23--2details
#24--2details

Code

class Array
  def total
    if !@total.nil?
      @total
    else
      @total = self.map(&:sum).sum
    end
  end
  
  def value(y, x, len, dir) # dir 1 goes down, -1 up
    debuggrid = Array.new(self.length){Array.new(self[0].length, " ")}

    trisum = 0
    leftx = x
    rightx = x + len - 1
    while leftx <= rightx
      trisum += self[y][leftx..rightx].sum
      (leftx..rightx).each do |i|
        debuggrid[y][i] = "#"
      end
      if y % 2 == 0
        rightx -= 1
      else
        leftx += 1
      end
      y += dir
    end

    #puts "---"
    #debuggrid.each do |row|
    #  puts "|#{row.join}|"
    #end
    
    self.total - trisum
  end
end

y, x, count = gets.chomp.split(" ").map(&:to_i)
grid = Array.new(y){Array.new(x, 0)}
count.times do
  yi, xi, t = gets.chomp.split(" ")
  grid[yi.to_i-1][xi.to_i-1] = (t == "H" ? 1 : -10)
end

max_y = y - 1
max_x = x - 1
max_val = -99999999999
min_size = max_y / 10 + 1
grid.each_with_index do |row, y|
  row.each_with_index do |cell, x|
    [1, -1].each do |dir|
      checks = [max_x - x]
      if dir == 1
        checks << max_y - y
      else
        checks << y
      end
      (min_size..(checks.min + 1)).each do |size|
        val = grid.value(y, x, size, dir)
        if val > max_val
          max_val = val
        end
      end
    end
  end
end

# sliding window
# all directions

puts max_val

Test details

Test 1

Group: 1, 2

Verdict: ACCEPTED

input
5 6 13
1 1 K
5 1 K
2 2 H
4 2 H
...

correct output
-16

user output
-16

Test 2

Group: 1, 2

Verdict: ACCEPTED

input
5 6 7
1 5 K
4 6 K
2 4 H
2 5 H
...

correct output
0

user output
0

Test 3

Group: 1, 2

Verdict: ACCEPTED

input
5 6 7
5 5 K
2 6 K
2 4 H
2 5 H
...

correct output
0

user output
0

Test 4

Group: 1, 2

Verdict: ACCEPTED

input
10 10 51
3 3 H
6 3 H
9 5 H
5 10 H
...

correct output
50

user output
50

Test 5

Group: 1, 2

Verdict: ACCEPTED

input
10 10 52
3 5 H
3 1 H
9 6 H
2 8 H
...

correct output
40

user output
40

Test 6

Group: 1, 2

Verdict: ACCEPTED

input
10 10 60
6 10 H
2 8 H
5 8 H
8 10 H
...

correct output
-15

user output
-15

Test 7

Group: 1, 2

Verdict: ACCEPTED

input
10 10 60
4 7 H
7 4 H
4 10 H
3 6 H
...

correct output
60

user output
60

Test 8

Group: 1, 2

Verdict: ACCEPTED

input
10 10 40
9 9 H
5 10 H
5 6 H
4 9 H
...

correct output
2

user output
2

Test 9

Group: 1, 2

Verdict: ACCEPTED

input
1 1 0

correct output
0

user output
0

Test 10

Group: 1, 2

Verdict: ACCEPTED

input
1 1 1
1 1 K

correct output
0

user output
0

Test 11

Group: 1, 2

Verdict: ACCEPTED

input
1 1 1
1 1 H

correct output
0

user output
0

Test 12

Group: 1, 2

Verdict: ACCEPTED

input
10 5 32
10 3 H
4 4 H
3 3 H
5 4 H
...

correct output
20

user output
20

Test 13

Group: 1, 2

Verdict: ACCEPTED

input
5 10 32
5 9 H
2 4 H
2 9 H
2 5 H
...

correct output
28

user output
28

Test 14

Group: 1, 2

Verdict: ACCEPTED

input
10 10 100
2 9 H
5 4 H
5 9 K
6 1 K
...

correct output
-439

user output
-439

Test 15

Group: 1, 2

Verdict: ACCEPTED

input
10 10 100
8 9 H
5 10 H
5 4 H
3 9 H
...

correct output
88

user output
88

Test 16

Group: 2

Verdict:

input
500 500 125000
125 261 K
84 78 K
11 200 K
481 246 K
...

correct output
-624270

user output
(empty)

Test 17

Group: 2

Verdict:

input
500 500 125100
16 61 H
37 62 H
459 125 H
318 476 H
...

correct output
124020

user output
(empty)

Test 18

Group: 2

Verdict:

input
500 500 249999
22 214 H
356 145 H
341 29 H
393 262 H
...

correct output
249999

user output
(empty)

Test 19

Group: 2

Verdict:

input
500 500 32000
30 81 H
315 34 H
78 112 H
367 166 H
...

correct output
10126

user output
(empty)

Test 20

Group: 2

Verdict:

input
500 500 126745
164 390 H
126 331 H
164 126 H
55 92 H
...

correct output
-104692

user output
(empty)

Test 21

Group: 2

Verdict:

input
500 500 71200
106 191 H
314 189 H
482 485 H
344 401 H
...

correct output
-335853

user output
(empty)

Test 22

Group: 2

Verdict:

input
500 500 67772
421 277 H
428 470 H
169 142 H
256 345 H
...

correct output
-208567

user output
(empty)

Test 23

Group: 2

Verdict:

input
500 500 27434
366 481 H
38 22 H
126 107 H
135 169 H
...

correct output
-57100

user output
(empty)

Test 24

Group: 2

Verdict:

input
500 500 93982
183 13 H
463 230 H
264 351 H
399 290 H
...

correct output
-52800

user output
(empty)