CSES - Aalto Competitive Programming 2026 - wk1 - Wed

Submission details
Task:	Apple Division
Sender:	aalto26aw_004
Submission time:	2026-09-02 17:10:29 +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	0.04 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	RUNTIME ERROR	0.06 s	details
#14	ACCEPTED	0.04 s	details
#15	RUNTIME ERROR	0.06 s	details
#16	ACCEPTED	0.04 s	details
#17	WRONG ANSWER	0.04 s	details
#18	ACCEPTED	0.04 s	details

Code

n = int(input())
apples = input().split()
apples = [int(a) for a in apples]
apples = sorted(apples)

l = 0
r = 0
sumIn = apples[0]
sumOut = sum(apples) - sumIn
best = sumOut

while r < len(apples):
    while sumIn <= sumOut:
        r += 1
        if r >= len(apples):
            break
        sumIn += apples[r]
        sumOut -= apples[r]
        best = min(best, abs(sumIn - sumOut))

    while sumIn > sumOut:
        l += 1
        sumIn -= apples[l]
        sumOut += apples[l]
        best = min(best, abs(sumIn - sumOut))


print(best)

Test details

Test 1

Verdict: WRONG ANSWER

input
`10 603 324 573 493 659 521 654 70...` view save

correct output
`2` view save

user output
`30` view save

Feedback: Incorrect character on line 1 col 1: expected "2", got "30"

Test 2

Verdict: WRONG ANSWER

input
`10 952 775 292 702 859 719 65 943...` view save

correct output
`1` view save

user output
`67` view save

Feedback: Incorrect character on line 1 col 1: expected "1", got "67"

Test 3

Verdict: WRONG ANSWER

input
`10 141 156 14 487 250 230 741 602...` view save

correct output
`2` view save

user output
`108` view save

Feedback: Incorrect character on line 1 col 1: expected "2", got "108"

Test 4

Verdict: WRONG ANSWER

input
`10 963 359 731 826 599 931 40 86 ...` view save

correct output
`4` view save

user output
`196` view save

Feedback: Incorrect character on line 1 col 1: expected "4", got "196"

Test 5

Verdict: WRONG ANSWER

input
`10 238 224 861 461 558 860 318 93...` view save

correct output
`2` view save

user output
`4` view save

Feedback: Incorrect character on line 1 col 1: expected "2", got "4"

Test 6

Verdict: WRONG ANSWER

input
`10 193 848 70 53 864 886 374 31 2...` view save

correct output
`1` view save

user output
`175` view save

Feedback: Incorrect character on line 1 col 2: expected "1", got "175"

Test 7

Verdict: WRONG ANSWER

input
`20 13048212 423374770 19874608 81...` view save

correct output
`8231` view save

user output
`28878359` view save

Feedback: Incorrect character on line 1 col 1: expected "8231", got "28878359"

Test 8

Verdict: WRONG ANSWER

input
`20 314836307 815098885 922742346 ...` view save

correct output
`1188` view save

user output
`120754282` view save

Feedback: Incorrect character on line 1 col 2: expected "1188", got "120754282"

Test 9

Verdict: WRONG ANSWER

input
`20 846261131 196958704 824235264 ...` view save

correct output
`11770` view save

user output
`156592266` view save

Feedback: Incorrect character on line 1 col 2: expected "11770", got "156592266"

Test 10

Verdict: WRONG ANSWER

input
`20 92021619 792314463 937735495 8...` view save

correct output
`4453` view save

user output
`86814065` view save

Feedback: Incorrect character on line 1 col 1: expected "4453", got "86814065"

Test 11

Verdict: WRONG ANSWER

input
`20 452747515 202201476 845758891 ...` view save

correct output
`4881` view save

user output
`22247137` view save

Feedback: Incorrect character on line 1 col 1: expected "4881", got "22247137"

Test 12

Verdict: WRONG ANSWER

input
`20 934033764 747013925 113297529 ...` view save

correct output
`5482` view save

user output
`102224776` view save

Feedback: Incorrect character on line 1 col 1: expected "5482", got "102224776"

Test 13

Verdict: RUNTIME ERROR

input
`1 1000000000` view save

correct output
`1000000000` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 23, in <module>
    sumIn -= apples[l]
IndexError: list index out of range

Test 14

Verdict: ACCEPTED

input
`2 1 1` view save

correct output
`0` view save

user output
`0` view save

Test 15

Verdict: RUNTIME ERROR

input
`1 1` view save

correct output
`1` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 23, in <module>
    sumIn -= apples[l]
IndexError: list index out of range

Test 16

Verdict: ACCEPTED

input
`5 934033764 2 7 4 1` view save

correct output
`934033750` view save

user output
`934033750` view save

Test 17

Verdict: WRONG ANSWER

input
`20 934033764 747013925 113297529 ...` view save

correct output
`5483` view save

user output
`102224777` view save

Feedback: Incorrect character on line 1 col 1: expected "5483", got "102224777"

Test 18

Verdict: ACCEPTED

input
`19 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

correct output
`1` view save

user output
`1` view save

Aalto Competitive Programming 2026 - wk1 - Wed

Apple Division

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

Tasks

Submissions (aalto26aw_004)