CSES - Aalto Competitive Programming 2026 - wk2 - Mon

Submission details
Task:	Establish equality
Sender:	aalto26bm_025
Submission time:	2026-09-07 17:33:44 +0300
Language:	Python3 (PyPy3)
Status:	READY
Result:	TIME LIMIT EXCEEDED

Test results
test	verdict	time
#1	TIME LIMIT EXCEEDED	--	details
#2	TIME LIMIT EXCEEDED	--	details
#3	TIME LIMIT EXCEEDED	--	details
#4	TIME LIMIT EXCEEDED	--	details
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#40	TIME LIMIT EXCEEDED	--	details
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#43	TIME LIMIT EXCEEDED	--	details
#44	TIME LIMIT EXCEEDED	--	details
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#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

Code

import sys
import bisect

def solve():
    data = sys.stdin.read().split()
    n = int(data[0])
    b = list(map(int, data[1:1+n]))
    b.sort()
    S = sum(b)

    prefix = [0]*(n+1)
    for i in range(n):
        prefix[i+1] = prefix[i] + b[i]

    def f(k):
        idx = bisect.bisect_right(b, k)         
        sum_less = prefix[idx]
        D_part = sum_less - k * idx              

        sum_ge = prefix[n] - prefix[idx]
        count_ge = n - idx
        S_part = sum_ge - k * count_ge

        return S_part + D_part

    lo, hi = 0, S // n if n > 0 else 0
    while lo < hi:
        mid = (lo + hi) // 2             
        if f(mid) >= 0:
            lo = mid
        else:
            hi = mid - 1

    print(lo)

if __name__ == "__main__":
    solve()

Test details

Test 1

Verdict: TIME LIMIT EXCEEDED

input
`1 4` view save

correct output
`4` view save

user output
(empty)

Test 2

Verdict: TIME LIMIT EXCEEDED

input
`2 4 2` view save

correct output
`2` view save

user output
(empty)

Test 3

Verdict: TIME LIMIT EXCEEDED

input
`2 6 0` view save

correct output
`2` view save

user output
(empty)

Test 4

Verdict: TIME LIMIT EXCEEDED

input
`3 10 9 6` view save

correct output
`7` view save

user output
(empty)

Test 5

Verdict: TIME LIMIT EXCEEDED

input
`6 2 0 9 9 2 4` view save

correct output
`3` view save

user output
(empty)

Test 6

Verdict: TIME LIMIT EXCEEDED

input
`10 4 10 7 10 0 1 3 10 1 2` view save

correct output
`3` view save

user output
(empty)

Test 7

Verdict: TIME LIMIT EXCEEDED

input
`10 4 2 0 10 6 10 4 5 4 3` view save

correct output
`4` view save

user output
(empty)

Test 8

Verdict: TIME LIMIT EXCEEDED

input
`10 6 0 7 9 3 1 5 6 9 4` view save

correct output
`3` view save

user output
(empty)

Test 9

Verdict: TIME LIMIT EXCEEDED

input
`10 10 9 6 1 10 9 7 6 7 6` view save

correct output
`6` view save

user output
(empty)

Test 10

Verdict: TIME LIMIT EXCEEDED

input
`10 2 0 9 9 2 4 10 10 5 0` view save

correct output
`3` view save

user output
(empty)

Test 11

Verdict: TIME LIMIT EXCEEDED

input
`10 1 0 0 7 5 2 7 10 4 1` view save

correct output
`2` view save

user output
(empty)

Test 12

Verdict: TIME LIMIT EXCEEDED

input
`10 1 4 8 9 2 0 5 7 0 3` view save

correct output
`2` view save

user output
(empty)

Test 13

Verdict: TIME LIMIT EXCEEDED

input
`10 8 6 2 9 9 9 10 1 10 8` view save

correct output
`6` view save

user output
(empty)

Test 14

Verdict: TIME LIMIT EXCEEDED

input
`10 5 10 8 7 9 4 0 1 3 2` view save

correct output
`3` view save

user output
(empty)

Test 15

Verdict: TIME LIMIT EXCEEDED

input
`10 9 8 1 6 0 1 3 9 3 10` view save

correct output
`3` view save

user output
(empty)

Test 16

Verdict: TIME LIMIT EXCEEDED

input
`100 417 998 721 933 0 128 302 1000...` view save

correct output
`402` view save

user output
(empty)

Test 17

Verdict: TIME LIMIT EXCEEDED

input
`100 436 185 25 932 550 948 435 485...` view save

correct output
`402` view save

user output
(empty)

Test 18

Verdict: TIME LIMIT EXCEEDED

input
`100 551 70 708 840 291 121 511 569...` view save

correct output
`391` view save

user output
(empty)

Test 19

Verdict: TIME LIMIT EXCEEDED

input
`100 967 901 547 172 973 856 715 60...` view save

correct output
`395` view save

user output
(empty)

Test 20

Verdict: TIME LIMIT EXCEEDED

input
`100 222 55 871 832 206 364 919 980...` view save

correct output
`418` view save

user output
(empty)

Test 21

Verdict: TIME LIMIT EXCEEDED

input
`100 180 68 19 665 463 194 725 927 ...` view save

correct output
`401` view save

user output
(empty)

Test 22

Verdict: TIME LIMIT EXCEEDED

input
`100 154 446 740 874 263 86 534 724...` view save

correct output
`409` view save

user output
(empty)

Test 23

Verdict: TIME LIMIT EXCEEDED

input
`100 778 607 237 860 825 893 966 17...` view save

correct output
`419` view save

user output
(empty)

Test 24

Verdict: TIME LIMIT EXCEEDED

input
`100 514 922 773 659 871 366 8 149 ...` view save

correct output
`410` view save

user output
(empty)

Test 25

Verdict: TIME LIMIT EXCEEDED

input
`100 849 814 179 591 54 111 361 819...` view save

correct output
`381` view save

user output
(empty)

Test 26

Verdict: TIME LIMIT EXCEEDED

input
`100 48 800 289 680 721 36 21 952 2...` view save

correct output
`446` view save

user output
(empty)

Test 27

Verdict: TIME LIMIT EXCEEDED

input
`100 208 702 482 731 420 638 860 78...` view save

correct output
`431` view save

user output
(empty)

Test 28

Verdict: TIME LIMIT EXCEEDED

input
`100 517 669 947 185 766 782 282 57...` view save

correct output
`417` view save

user output
(empty)

Test 29

Verdict: TIME LIMIT EXCEEDED

input
`100 960 294 700 52 1000 317 220 98...` view save

correct output
`483` view save

user output
(empty)

Test 30

Verdict: TIME LIMIT EXCEEDED

input
`100 870 696 582 433 279 98 186 181...` view save

correct output
`433` view save

user output
(empty)

Test 31

Verdict: TIME LIMIT EXCEEDED

input
`1000 549 593 715 845 603 858 545 84...` view save

correct output
`417` view save

user output
(empty)

Test 32

Verdict: TIME LIMIT EXCEEDED

input
`1000 417 998 721 933 0 128 302 1000...` view save

correct output
`409` view save

user output
(empty)

Test 33

Verdict: TIME LIMIT EXCEEDED

input
`1000 436 185 25 932 550 948 435 485...` view save

correct output
`409` view save

user output
(empty)

Test 34

Verdict: TIME LIMIT EXCEEDED

input
`1000 551 70 708 840 291 121 511 569...` view save

correct output
`416` view save

user output
(empty)

Test 35

Verdict: TIME LIMIT EXCEEDED

input
`1000 967 901 547 172 973 856 715 60...` view save

correct output
`420` view save

user output
(empty)

Test 36

Verdict: TIME LIMIT EXCEEDED

input
`2000 238363352 59249203 934941691 8...` view save

correct output
`408637955` view save

user output
(empty)

Test 37

Verdict: TIME LIMIT EXCEEDED

input
`2000 958701282 356460600 224848373 ...` view save

correct output
`419252506` view save

user output
(empty)

Test 38

Verdict: TIME LIMIT EXCEEDED

input
`2000 81935403 244103473 837431430 3...` view save

correct output
`416082617` view save

user output
(empty)

Test 39

Verdict: TIME LIMIT EXCEEDED

input
`2000 937837680 11934037 257096282 9...` view save

correct output
`417515719` view save

user output
(empty)

Test 40

Verdict: TIME LIMIT EXCEEDED

input
`2000 11139167 391337047 538883743 5...` view save

correct output
`409258945` view save

user output
(empty)

Test 41

Verdict: TIME LIMIT EXCEEDED

input
`10000 589284011 636562059 767928733 ...` view save

correct output
`413957321` view save

user output
(empty)

Test 42

Verdict: TIME LIMIT EXCEEDED

input
`20000 447773961 773442531 122815 137...` view save

correct output
`414852078` view save

user output
(empty)

Test 43

Verdict: TIME LIMIT EXCEEDED

input
`30000 468145962 198730371 27838075 5...` view save

correct output
`410179075` view save

user output
(empty)

Test 44

Verdict: TIME LIMIT EXCEEDED

input
`40000 591414746 75940262 760367934 9...` view save

correct output
`414505355` view save

user output
(empty)

Test 45

Verdict: TIME LIMIT EXCEEDED

input
`50000 967034923 587586157 185430193 ...` view save

correct output
`412022071` view save

user output
(empty)

Test 46

Verdict: TIME LIMIT EXCEEDED

input
`60000 238363352 59249203 934941691 8...` view save

correct output
`414871380` view save

user output
(empty)

Test 47

Verdict: TIME LIMIT EXCEEDED

input
`70000 958701282 356460600 224848373 ...` view save

correct output
`413955399` view save

user output
(empty)

Test 48

Verdict: TIME LIMIT EXCEEDED

input
`80000 81935403 244103473 837431430 3...` view save

correct output
`414719178` view save

user output
(empty)

Test 49

Verdict: TIME LIMIT EXCEEDED

input
`90000 937837680 11934037 257096282 9...` view save

correct output
`412407588` view save

user output
(empty)

Test 50

Verdict: TIME LIMIT EXCEEDED

input
`100000 11139167 391337047 538883743 5...` view save

correct output
`413339299` view save

user output
(empty)

Test 51

Verdict: TIME LIMIT EXCEEDED

input
`200000 589284011 636562059 767928733 ...` view save

correct output
`414309243` view save

user output
(empty)

Test 52

Verdict: TIME LIMIT EXCEEDED

input
`200000 447773961 773442531 122815 137...` view save

correct output
`413259631` view save

user output
(empty)

Test 53

Verdict: TIME LIMIT EXCEEDED

input
`200000 468145962 198730371 27838075 5...` view save

correct output
`413293056` view save

user output
(empty)

Test 54

Verdict: TIME LIMIT EXCEEDED

input
`200000 591414746 75940262 760367934 9...` view save

correct output
`414827553` view save

user output
(empty)

Test 55

Verdict: TIME LIMIT EXCEEDED

input
`200000 967034923 587586157 185430193 ...` view save

correct output
`412998578` view save

user output
(empty)

Aalto Competitive Programming 2026 - wk2 - Mon

Establish equality

Code

Test details

Test 1

Test 2

Test 3

Test 4

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Test 55

Tasks

Submissions (aalto26bm_025)