CSES - Aalto Competitive Programming 2025 - wk1 - Mon

Submission details
Task:	Traffic jam
Sender:	kookinnam
Submission time:	2025-09-01 16:59:35 +0300
Language:	Python3 (PyPy3)
Status:	READY
Result:	WRONG ANSWER

Test results
test	verdict	time
#1	WRONG ANSWER	0.04 s	details
#2	WRONG ANSWER	0.04 s	details
#3	WRONG ANSWER	0.05 s	details
#4	WRONG ANSWER	0.04 s	details
#5	WRONG ANSWER	0.04 s	details
#6	WRONG ANSWER	0.04 s	details
#7	WRONG ANSWER	0.04 s	details
#8	WRONG ANSWER	0.04 s	details
#9	WRONG ANSWER	0.04 s	details
#10	WRONG ANSWER	0.04 s	details
#11	WRONG ANSWER	0.04 s	details
#12	WRONG ANSWER	0.04 s	details
#13	WRONG ANSWER	0.04 s	details
#14	WRONG ANSWER	0.04 s	details
#15	WRONG ANSWER	0.04 s	details
#16	WRONG ANSWER	0.04 s	details
#17	WRONG ANSWER	0.04 s	details
#18	WRONG ANSWER	0.04 s	details
#19	WRONG ANSWER	0.04 s	details
#20	WRONG ANSWER	0.04 s	details
#21	RUNTIME ERROR	0.07 s	details
#22	WRONG ANSWER	0.62 s	details
#23	WRONG ANSWER	0.74 s	details
#24	WRONG ANSWER	0.95 s	details
#25	RUNTIME ERROR	0.07 s	details
#26	WRONG ANSWER	0.57 s	details
#27	WRONG ANSWER	0.14 s	details
#28	WRONG ANSWER	0.71 s	details
#29	WRONG ANSWER	0.27 s	details
#30	TIME LIMIT EXCEEDED	--	details
#31	RUNTIME ERROR	0.07 s	details
#32	TIME LIMIT EXCEEDED	--	details
#33	TIME LIMIT EXCEEDED	--	details
#34	RUNTIME ERROR	0.07 s	details
#35	TIME LIMIT EXCEEDED	--	details
#36	TIME LIMIT EXCEEDED	--	details
#37	TIME LIMIT EXCEEDED	--	details
#38	TIME LIMIT EXCEEDED	--	details
#39	WRONG ANSWER	0.37 s	details
#40	TIME LIMIT EXCEEDED	--	details
#41	TIME LIMIT EXCEEDED	--	details
#42	TIME LIMIT EXCEEDED	--	details
#43	TIME LIMIT EXCEEDED	--	details
#44	TIME LIMIT EXCEEDED	--	details
#45	RUNTIME ERROR	0.08 s	details
#46	TIME LIMIT EXCEEDED	--	details
#47	TIME LIMIT EXCEEDED	--	details
#48	WRONG ANSWER	0.47 s	details
#49	TIME LIMIT EXCEEDED	--	details
#50	TIME LIMIT EXCEEDED	--	details
#51	TIME LIMIT EXCEEDED	--	details
#52	TIME LIMIT EXCEEDED	--	details
#53	TIME LIMIT EXCEEDED	--	details
#54	TIME LIMIT EXCEEDED	--	details
#55	TIME LIMIT EXCEEDED	--	details
#56	TIME LIMIT EXCEEDED	--	details
#57	RUNTIME ERROR	0.11 s	details
#58	TIME LIMIT EXCEEDED	--	details
#59	TIME LIMIT EXCEEDED	--	details
#60	TIME LIMIT EXCEEDED	--	details
#61	RUNTIME ERROR	0.20 s	details
#62	RUNTIME ERROR	0.20 s	details
#63	TIME LIMIT EXCEEDED	--	details
#64	TIME LIMIT EXCEEDED	--	details
#65	RUNTIME ERROR	0.20 s	details
#66	RUNTIME ERROR	0.20 s	details
#67	RUNTIME ERROR	0.20 s	details
#68	TIME LIMIT EXCEEDED	--	details
#69	TIME LIMIT EXCEEDED	--	details
#70	TIME LIMIT EXCEEDED	--	details

Code

max_car = {}

car_intervals = []


num_of_car = int(input())
for i in range(num_of_car):
    start, end = map(int, input().split())
    car_intervals.append([start, end])

start_time = car_intervals[0][0]
end_time = car_intervals[-1][1]
print("start at ", start_time, "end at", end_time)


for time in range(start_time, end_time + 1):
    for interval in car_intervals:

        if time >= interval[0] and time <= interval[1]:

            if time not in max_car:
                max_car[time] = 0
            max_car[time] += 1

print(max(max_car.values()))

Test details

Test 1

Verdict: WRONG ANSWER

input
`5 11 18 11 12 15 17 9 17 ...` view save

correct output
`3` view save

user output
`start at 11 end at 13 3` view save

Test 2

Verdict: WRONG ANSWER

input
`5 3 9 7 20 15 20 3 19 ...` view save

correct output
`3` view save

user output
`start at 3 end at 5 3` view save

Test 3

Verdict: WRONG ANSWER

input
`5 9 19 4 9 1 10 9 19 ...` view save

correct output
`5` view save

user output
`start at 9 end at 11 5` view save

Test 4

Verdict: WRONG ANSWER

input
`5 3 12 2 11 12 15 17 18 ...` view save

correct output
`3` view save

user output
`start at 3 end at 9 3` view save

Test 5

Verdict: WRONG ANSWER

input
`5 18 20 15 19 11 13 4 14 ...` view save

correct output
`3` view save

user output
`start at 18 end at 20 3` view save

Test 6

Verdict: WRONG ANSWER

input
`5 5 8 2 19 18 20 10 17 ...` view save

correct output
`3` view save

user output
`start at 5 end at 5 3` view save

Test 7

Verdict: WRONG ANSWER

input
`5 2 18 1 19 7 8 3 5 ...` view save

correct output
`3` view save

user output
`start at 2 end at 20 3` view save

Test 8

Verdict: WRONG ANSWER

input
`5 2 20 5 15 10 16 7 20 ...` view save

correct output
`4` view save

user output
`start at 2 end at 9 4` view save

Test 9

Verdict: WRONG ANSWER

input
`5 8 18 1 11 17 20 5 5 ...` view save

correct output
`3` view save

user output
`start at 8 end at 18 3` view save

Test 10

Verdict: WRONG ANSWER

input
`5 1 1 3 8 7 11 3 10 ...` view save

correct output
`4` view save

user output
`start at 1 end at 10 4` view save

Test 11

Verdict: WRONG ANSWER

input
`10 11 13 8 12 9 15 6 17 ...` view save

correct output
`8` view save

user output
`start at 11 end at 13 8` view save

Test 12

Verdict: WRONG ANSWER

input
`10 2 9 8 20 4 15 8 19 ...` view save

correct output
`8` view save

user output
`start at 2 end at 17 8` view save

Test 13

Verdict: WRONG ANSWER

input
`10 7 9 4 4 1 5 14 19 ...` view save

correct output
`5` view save

user output
`start at 7 end at 13 5` view save

Test 14

Verdict: WRONG ANSWER

input
`10 12 18 1 2 3 15 1 17 ...` view save

correct output
`6` view save

user output
`start at 12 end at 14 6` view save

Test 15

Verdict: WRONG ANSWER

input
`10 5 20 3 19 11 20 4 5 ...` view save

correct output
`8` view save

user output
`start at 5 end at 13 8` view save

Test 16

Verdict: WRONG ANSWER

input
`10 5 13 2 8 16 18 8 17 ...` view save

correct output
`8` view save

user output
`start at 5 end at 17 8` view save

Test 17

Verdict: WRONG ANSWER

input
`10 12 18 2 19 7 11 5 13 ...` view save

correct output
`7` view save

user output
`start at 12 end at 20 5` view save

Test 18

Verdict: WRONG ANSWER

input
`10 2 11 5 6 11 16 2 7 ...` view save

correct output
`6` view save

user output
`start at 2 end at 11 6` view save

Test 19

Verdict: WRONG ANSWER

input
`10 1 18 1 13 9 20 5 16 ...` view save

correct output
`8` view save

user output
`start at 1 end at 19 8` view save

Test 20

Verdict: WRONG ANSWER

input
`10 1 5 8 18 9 11 3 10 ...` view save

correct output
`6` view save

user output
`start at 1 end at 10 6` view save

Test 21

Verdict: RUNTIME ERROR

input
`100 331945 344878 23242 358577 265284 432575 383635 510646 ...` view save

correct output
`58` view save

user output
`start at 331945 end at 196602` view save

Error:

Traceback (most recent call last):
  File "input/code.py", line 25, in <module>
    print(...

Test 22

Verdict: WRONG ANSWER

input
`100 11714 252232 50579 603138 410587 435681 554555 564048 ...` view save

correct output
`57` view save

user output
`start at 11714 end at 317420 57` view save

Test 23

Verdict: WRONG ANSWER

input
`100 263708 329159 111946 492424 15682 49655 563433 573443 ...` view save

correct output
`50` view save

user output
`start at 263708 end at 585661 50` view save

Test 24

Verdict: WRONG ANSWER

input
`100 124241 333145 42778 460029 121802 428316 38571 508035 ...` view save

correct output
`65` view save

user output
`start at 124241 end at 500821 65` view save

Test 25

Verdict: RUNTIME ERROR

input
`100 541635 584899 544732 562143 219469 330988 104454 142828 ...` view save

correct output
`56` view save

user output
`start at 541635 end at 224460` view save

Error:

Traceback (most recent call last):
  File "input/code.py", line 25, in <module>
    print(...

Test 26

Verdict: WRONG ANSWER

input
`100 134271 466244 33376 118232 293306 526654 73518 502821 ...` view save

correct output
`56` view save

user output
`start at 134271 end at 368168 56` view save

Test 27

Verdict: WRONG ANSWER

input
`100 462552 540038 297097 573072 171690 200795 126658 322135 ...` view save

correct output
`56` view save

user output
`start at 462552 end at 517918 37` view save

Test 28

Verdict: WRONG ANSWER

input
`100 46155 255469 137504 304813 257937 471726 192928 376970 ...` view save

correct output
`53` view save

user output
`start at 46155 end at 387570 53` view save

Test 29

Verdict: WRONG ANSWER

input
`100 113815 528285 6723 287126 379269 585812 144823 151502 ...` view save

correct output
`50` view save

user output
`start at 113815 end at 226336 42` view save

Test 30

Verdict: TIME LIMIT EXCEEDED

input
`100 6275 391402 25919 220441 303554 385921 102892 301894 ...` view save

correct output
`54` view save

user output
(empty)

Test 31

Verdict: RUNTIME ERROR

input
`200 349680 466526 56164 180703 12552 516494 299148 516954 ...` view save

correct output
`108` view save

user output
`start at 349680 end at 281518` view save

Error:

Traceback (most recent call last):
  File "input/code.py", line 25, in <module>
    print(...

Test 32

Verdict: TIME LIMIT EXCEEDED

input
`200 109035 192453 41315 154620 11780 131858 402050 438594 ...` view save

correct output
`112` view save

user output
(empty)

Test 33

Verdict: TIME LIMIT EXCEEDED

input
`200 93244 232995 269893 529384 360329 447612 317907 528260 ...` view save

correct output
`97` view save

user output
(empty)

Test 34

Verdict: RUNTIME ERROR

input
`200 421407 470386 352706 367345 143675 582521 502292 519820 ...` view save

correct output
`114` view save

user output
`start at 421407 end at 413205` view save

Error:

Traceback (most recent call last):
  File "input/code.py", line 25, in <module>
    print(...

Test 35

Verdict: TIME LIMIT EXCEEDED

input
`200 143318 310854 401813 557598 237535 467641 34287 398641 ...` view save

correct output
`96` view save

user output
(empty)

Test 36

Verdict: TIME LIMIT EXCEEDED

input
`200 9076 513399 469260 492086 108204 544191 357676 381009 ...` view save

correct output
`108` view save

user output
(empty)

Test 37

Verdict: TIME LIMIT EXCEEDED

input
`200 135056 264320 197575 327883 316431 564474 33682 362951 ...` view save

correct output
`103` view save

user output
(empty)

Test 38

Verdict: TIME LIMIT EXCEEDED

input
`200 178226 450594 82713 109947 249837 320920 281091 510627 ...` view save

correct output
`107` view save

user output
(empty)

Test 39

Verdict: WRONG ANSWER

input
`200 393373 398425 45975 568291 305719 324476 261670 442591 ...` view save

correct output
`108` view save

user output
`start at 393373 end at 473744 95` view save

Test 40

Verdict: TIME LIMIT EXCEEDED

input
`200 58993 496474 260365 371793 460435 493947 56859 249644 ...` view save

correct output
`105` view save

user output
(empty)

Test 41

Verdict: TIME LIMIT EXCEEDED

input
`1000 58068 355725 395347 536742 358259 542973 346571 577267 ...` view save

correct output
`516` view save

user output
(empty)

Test 42

Verdict: TIME LIMIT EXCEEDED

input
`1000 29471 589969 57506 483432 174866 389980 250305 411196 ...` view save

correct output
`496` view save

user output
(empty)

Test 43

Verdict: TIME LIMIT EXCEEDED

input
`1000 126086 545768 218902 424576 291340 394396 158589 441840 ...` view save

correct output
`496` view save

user output
(empty)

Test 44

Verdict: TIME LIMIT EXCEEDED

input
`1000 312883 531822 243696 404697 422989 572761 111889 147621 ...` view save

correct output
`516` view save

user output
(empty)

Test 45

Verdict: RUNTIME ERROR

input
`1000 413156 580657 178086 312928 423093 540156 31969 390612 ...` view save

correct output
`515` view save

user output
`start at 413156 end at 244246` view save

Error:

Traceback (most recent call last):
  File "input/code.py", line 25, in <module>
    print(...

Test 46

Verdict: TIME LIMIT EXCEEDED

input
`1000 20157 526286 133047 421009 168036 352185 262047 570796 ...` view save

correct output
`484` view save

user output
(empty)

Test 47

Verdict: TIME LIMIT EXCEEDED

input
`1000 186252 329188 204116 431319 314149 576299 178378 570064 ...` view save

correct output
`526` view save

user output
(empty)

Test 48

Verdict: WRONG ANSWER

input
`1000 257494 501892 189236 290808 417823 492693 503108 553381 ...` view save

correct output
`529` view save

user output
`start at 257494 end at 274692 513` view save

Test 49

Verdict: TIME LIMIT EXCEEDED

input
`1000 440937 546476 103321 263496 339461 417536 34170 174218 ...` view save

correct output
`487` view save

user output
(empty)

Test 50

Verdict: TIME LIMIT EXCEEDED

input
`1000 181034 522437 484192 595527 172323 543908 209577 405953 ...` view save

correct output
`528` view save

user output
(empty)

Test 51

Verdict: TIME LIMIT EXCEEDED

input
`10000 45796 389604 54588 554625 6480 230292 132011 412509 ...` view save

correct output
`5040` view save

user output
(empty)

Test 52

Verdict: TIME LIMIT EXCEEDED

input
`10000 173017 222949 17536 418698 371928 579501 194960 329203 ...` view save

correct output
`4932` view save

user output
(empty)

Test 53

Verdict: TIME LIMIT EXCEEDED

input
`10000 35688 519491 36083 511716 144944 225431 254661 329431 ...` view save

correct output
`5084` view save

user output
(empty)

Test 54

Verdict: TIME LIMIT EXCEEDED

input
`10000 150309 588246 41663 417148 272164 454943 378370 404808 ...` view save

correct output
`5005` view save

user output
(empty)

Test 55

Verdict: TIME LIMIT EXCEEDED

input
`10000 23324 368919 118406 505285 302915 471836 256075 427134 ...` view save

correct output
`5028` view save

user output
(empty)

Test 56

Verdict: TIME LIMIT EXCEEDED

input
`10000 14733 277050 272054 385434 186503 304365 65427 409189 ...` view save

correct output
`5071` view save

user output
(empty)

Test 57

Verdict: RUNTIME ERROR

input
`10000 426026 440631 53008 185605 323120 363881 433574 569197 ...` view save

correct output
`5028` view save

user output
`start at 426026 end at 141112` view save

Error:

Traceback (most recent call last):
  File "input/code.py", line 25, in <module>
    print(...

Test 58

Verdict: TIME LIMIT EXCEEDED

input
`10000 215735 571270 84210 264983 139013 280706 62911 316988 ...` view save

correct output
`5036` view save

user output
(empty)

Test 59

Verdict: TIME LIMIT EXCEEDED

input
`10000 100867 232727 291085 542548 180752 519986 70248 552319 ...` view save

correct output
`5018` view save

user output
(empty)

Test 60

Verdict: TIME LIMIT EXCEEDED

input
`10000 77563 330781 3428 282943 62433 482602 120814 489906 ...` view save

correct output
`4974` view save

user output
(empty)

Test 61

Verdict: RUNTIME ERROR

input
`100000 246586 530849 324115 389522 33488 599309 67846 517025 ...` view save

correct output
`50092` view save

user output
`start at 246586 end at 239902` view save

Error:

Traceback (most recent call last):
  File "input/code.py", line 25, in <module>
    print(...

Test 62

Verdict: RUNTIME ERROR

input
`100000 151769 163196 411638 428029 27881 555301 161709 194138 ...` view save

correct output
`49927` view save

user output
`start at 151769 end at 137816` view save

Error:

Traceback (most recent call last):
  File "input/code.py", line 25, in <module>
    print(...

Test 63

Verdict: TIME LIMIT EXCEEDED

input
`100000 39491 226537 118226 481781 97491 575030 110949 445551 ...` view save

correct output
`50015` view save

user output
(empty)

Test 64

Verdict: TIME LIMIT EXCEEDED

input
`100000 69590 283153 300522 495108 223274 368388 62247 218684 ...` view save

correct output
`49913` view save

user output
(empty)

Test 65

Verdict: RUNTIME ERROR

input
`100000 504946 530310 224245 261619 63385 352368 19219 407804 ...` view save

correct output
`49833` view save

user output
`start at 504946 end at 332674` view save

Error:

Traceback (most recent call last):
  File "input/code.py", line 25, in <module>
    print(...

Test 66

Verdict: RUNTIME ERROR

input
`100000 566124 598194 184196 411065 332387 465916 254612 406138 ...` view save

correct output
`49947` view save

user output
`start at 566124 end at 553940` view save

Error:

Traceback (most recent call last):
  File "input/code.py", line 25, in <module>
    print(...

Test 67

Verdict: RUNTIME ERROR

input
`100000 449821 474093 156077 417344 383973 444464 55148 413842 ...` view save

correct output
`50077` view save

user output
`start at 449821 end at 218627` view save

Error:

Traceback (most recent call last):
  File "input/code.py", line 25, in <module>
    print(...

Test 68

Verdict: TIME LIMIT EXCEEDED

input
`100000 68643 447506 360603 515177 141640 589407 316333 550205 ...` view save

correct output
`50142` view save

user output
(empty)

Test 69

Verdict: TIME LIMIT EXCEEDED

input
`100000 10579 453250 257955 382091 511698 539259 14502 161173 ...` view save

correct output
`50313` view save

user output
(empty)

Test 70

Verdict: TIME LIMIT EXCEEDED

input
`100000 182036 358379 286536 600845 149433 208473 431529 460545 ...` view save

correct output
`49932` view save

user output
(empty)

Aalto Competitive Programming 2025 - wk1 - Mon

Traffic jam

Code

Test details

Test 1

Test 2

Test 3

Test 4

Test 5

Test 6

Test 7

Test 8

Test 9

Test 10

Test 11

Test 12

Test 13

Test 14

Test 15

Test 16

Test 17

Test 18

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Test 25

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Test 31

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Test 33

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Test 35

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Test 37

Test 38

Test 39

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Test 41

Test 42

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Test 44

Test 45

Test 46

Test 47

Test 48

Test 49

Test 50

Test 51

Test 52

Test 53

Test 54

Test 55

Test 56

Test 57

Test 58

Test 59

Test 60

Test 61

Test 62

Test 63

Test 64

Test 65

Test 66

Test 67

Test 68

Test 69

Test 70

Tasks

Submissions (kookinnam)