CSES - Aalto Competitive Programming 2026 - wk1 - Wed

Submission details
Task:	Apple Division
Sender:	aalto26aw_011
Submission time:	2026-09-02 17:15:11 +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	WRONG ANSWER	0.04 s	details
#14	ACCEPTED	0.04 s	details
#15	WRONG ANSWER	0.04 s	details
#16	ACCEPTED	0.04 s	details
#17	WRONG ANSWER	0.04 s	details
#18	WRONG ANSWER	0.04 s	details

Code

def apple_division():
    num_of_apples = input()
    num_of_apples = int(num_of_apples)

    apple_weights = input()
    apple_weights = apple_weights.split(" ")

    i = 0
    while i < num_of_apples:
        apple_weights[i] = int(apple_weights[i])
        i = i + 1

    apple_weights = sorted(apple_weights)

    left_group_weight = 0
    right_group_weight = 0

    li = len(apple_weights) - 2
    ri = len(apple_weights) - 1

    while li >= 0 and ri >= 0:
        right_group_weight = right_group_weight + apple_weights[ri]

        while left_group_weight < right_group_weight:
            left_group_weight = left_group_weight + apple_weights[li]
            li = li - 1

            if li < 0:
                break

        ri = li - 1


    difference = left_group_weight - right_group_weight

    if difference < 0:
        difference = difference * -1

    print(difference)

    return
    

if __name__ == "__main__":
    apple_division()



"""
Primer intento

while ri > li:
        right_group_weight = right_group_weight + apple_weights[ri]
        ri = ri - 1
        
        while left_group_weight < right_group_weight:
            left_group_weight = left_group_weight + apple_weights[li]
            li = li + 1
"""

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
`228` view save

Feedback: Incorrect character on line 1 col 2: expected "2", got "228"

Test 2

Verdict: WRONG ANSWER

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

correct output
`1` view save

user output
`270` view save

Feedback: Incorrect character on line 1 col 1: expected "1", got "270"

Test 3

Verdict: WRONG ANSWER

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

correct output
`2` view save

user output
`22` view save

Feedback: Incorrect character on line 1 col 2: expected "2", got "22"

Test 4

Verdict: WRONG ANSWER

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

correct output
`4` view save

user output
`61` view save

Feedback: Incorrect character on line 1 col 1: expected "4", got "61"

Test 5

Verdict: WRONG ANSWER

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

correct output
`2` view save

user output
`192` view save

Feedback: Incorrect character on line 1 col 1: expected "2", got "192"

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
`28` view save

Feedback: Incorrect character on line 1 col 1: expected "1", got "28"

Test 7

Verdict: WRONG ANSWER

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

correct output
`8231` view save

user output
`14440239` view save

Feedback: Incorrect character on line 1 col 1: expected "8231", got "14440239"

Test 8

Verdict: WRONG ANSWER

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

correct output
`1188` view save

user output
`35969229` view save

Feedback: Incorrect character on line 1 col 1: expected "1188", got "35969229"

Test 9

Verdict: WRONG ANSWER

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

correct output
`11770` view save

user output
`3919515` view save

Feedback: Incorrect character on line 1 col 1: expected "11770", got "3919515"

Test 10

Verdict: WRONG ANSWER

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

correct output
`4453` view save

user output
`83640333` view save

Feedback: Incorrect character on line 1 col 1: expected "4453", got "83640333"

Test 11

Verdict: WRONG ANSWER

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

correct output
`4881` view save

user output
`25789533` view save

Feedback: Incorrect character on line 1 col 1: expected "4881", got "25789533"

Test 12

Verdict: WRONG ANSWER

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

correct output
`5482` view save

user output
`38924256` view save

Feedback: Incorrect character on line 1 col 1: expected "5482", got "38924256"

Test 13

Verdict: WRONG ANSWER

input
`1 1000000000` view save

correct output
`1000000000` view save

user output
`0` view save

Feedback: Incorrect character on line 1 col 1: expected "1000000000", got "0"

Test 14

Verdict: ACCEPTED

input
`2 1 1` view save

correct output
`0` view save

user output
`0` view save

Test 15

Verdict: WRONG ANSWER

input
`1 1` view save

correct output
`1` view save

user output
`0` view save

Feedback: Incorrect character on line 1 col 1: expected "1", got "0"

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
`38924256` view save

Feedback: Incorrect character on line 1 col 1: expected "5483", got "38924256"

Test 18

Verdict: WRONG ANSWER

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
`0` view save

Feedback: Incorrect character on line 1 col 1: expected "1", got "0"

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_011)