Submission ID Problem Status Score Time Memory Code / Answer files User Submit time
#20375 #2. 視頻推薦 Video Recommendation Accepted 100 2006 ms 37508 K Python 3 / 288 B root 2024-07-05 15:24:47
rating = ""
like = 0
dislike = 0
n = 0

n = int(input())

for i in range(n):
    rating = input()
    rating = rating.rstrip("\n\r")
    if rating == "dislike":
        dislike = dislike + 1
    elif rating == "like":
        like = like + 1
        
print (like - dislike)
Subtask #1
Accepted
Score: 100
Test case #1
Accepted
Score: 100
Time: 63 ms
Memory: 21628 KiB

Input file

10
dislike
like
dislike
like
dislike
like
like
dislike
like
dislike

Output file

0

Your output

0

System message

Exited with return code 0
Test case #2
Accepted
Score: 100
Time: 53 ms
Memory: 21556 KiB

Input file

10
dislike
dislike
like
dislike
dislike
dislike
dislike
like
dislike
like

Output file

-4

Your output

-4

System message

Exited with return code 0
Test case #3
Accepted
Score: 100
Time: 55 ms
Memory: 21504 KiB

Input file

10
like
like
like
like
like
dislike
like
like
like
like

Output file

8

Your output

8

System message

Exited with return code 0
Test case #4
Accepted
Score: 100
Time: 245 ms
Memory: 37292 KiB

Input file

99993
dislike
dislike
dislike
dislike
dislike
dislike
dislike
dislike
dislike
dislike
dis
<862503 bytes omitted>

Output file

-75099

Your output

-75099

System message

Exited with return code 0
Test case #5
Accepted
Score: 100
Time: 253 ms
Memory: 37004 KiB

Input file

99999
dislike
like
dislike
dislike
like
dislike
dislike
dislike
dislike
like
like
dislik
<824361 bytes omitted>

Output file

-49641

Your output

-49641

System message

Exited with return code 0
Test case #6
Accepted
Score: 100
Time: 261 ms
Memory: 37008 KiB

Input file

99997
like
like
dislike
like
dislike
like
like
like
dislike
like
like
dislike
dislike

<787113 bytes omitted>

Output file

-24819

Your output

-24819

System message

Exited with return code 0
Test case #7
Accepted
Score: 100
Time: 271 ms
Memory: 37012 KiB

Input file

99991
like
dislike
dislike
dislike
dislike
dislike
like
like
dislike
dislike
dislike
dis
<749790 bytes omitted>

Output file

33

Your output

33

System message

Exited with return code 0
Test case #8
Accepted
Score: 100
Time: 299 ms
Memory: 37508 KiB

Input file

99995
like
dislike
dislike
like
like
like
like
dislike
like
like
like
dislike
like
lik
<712221 bytes omitted>

Output file

25099

Your output

25099

System message

Exited with return code 0
Test case #9
Accepted
Score: 100
Time: 259 ms
Memory: 37136 KiB

Input file

99999
like
like
dislike
like
like
like
like
like
like
like
dislike
dislike
like
like

<674469 bytes omitted>

Output file

50287

Your output

50287

System message

Exited with return code 0
Test case #10
Accepted
Score: 100
Time: 247 ms
Memory: 37116 KiB

Input file

100000
like
like
dislike
like
like
dislike
like
like
like
like
dislike
like
like
like
<637720 bytes omitted>

Output file

74792

Your output

74792

System message

Exited with return code 0