Submission ID Problem Status Score Time Memory Code / Answer files User Submit time
#12040 #2. 視頻推薦 Video Recommendation Accepted 100 1369 ms 3048 K Python 3 / 152 B HKSC2023-254 2023-07-08 13:57:46
a = int(input())
rate = 0
for i in range(a):
    ans = input()
    if ans == 'like\r':
        rate += 1
    else:
        rate -= 1
print(rate)
Subtask #1
Accepted
Score: 100
Test case #1
Accepted
Score: 100
Time: 34 ms
Memory: 2788 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: 38 ms
Memory: 2928 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: 32 ms
Memory: 3048 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: 182 ms
Memory: 2924 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: 225 ms
Memory: 2916 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: 177 ms
Memory: 2796 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: 169 ms
Memory: 2792 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: 168 ms
Memory: 2800 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: 172 ms
Memory: 2800 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: 172 ms
Memory: 2804 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