Submission details
Task:Binge watching
Sender:aalto25b_009
Submission time:2025-09-10 16:43:02 +0300
Language:Python3 (PyPy3)
Status:READY
Result:
Test results
testverdicttime
#10.04 sdetails
#20.04 sdetails
#30.04 sdetails
#40.66 sdetails
#5--details
#6--details
#7ACCEPTED0.04 sdetails
#80.04 sdetails
#90.04 sdetails

Code

n = int(input())
movies = []
for i in range(n):
    a, b = map(int, input().split())
    
    movies.append([a, b])
movies.sort(key=lambda x:x[0])
clashing = 0
for i, a in enumerate(movies):
    for i2 in range(i+1, len(movies)):
        b = movies[i2]
        if a[1] > b[0]:
            clashing += 1
        else:
            break
print(clashing)

Test details

Test 1

Verdict:

input
10
6 7
4 5
8 9
2 3
...

correct output
10

user output
0

Test 2

Verdict:

input
10
1 1000
1 1000
1 1000
1 1000
...

correct output
1

user output
45

Test 3

Verdict:

input
10
404 882
690 974
201 255
800 933
...

correct output
4

user output
29

Test 4

Verdict:

input
200000
177494 177495
157029 157030
6030 6031
15209 15210
...

correct output
200000

user output
0

Test 5

Verdict:

input
200000
1 1000000000
1 1000000000
1 1000000000
1 1000000000
...

correct output
1

user output
(empty)

Test 6

Verdict:

input
200000
82334756 323555178
958182284 981100325
649818003 678160906
801994655 889397498
...

correct output
725

user output
(empty)

Test 7

Verdict: ACCEPTED

input
3
1 1000
2 3
5 6

correct output
2

user output
2

Test 8

Verdict:

input
3
3 4
5 6
7 8

correct output
3

user output
0

Test 9

Verdict:

input
2
1 2
3 4

correct output
2

user output
0