CSES - Aalto Competitive Programming 2025 - wk9 - Mon

Submission details
Task:	Matter++
Sender:	mooc.fi~1130261
Submission time:	2025-11-03 17:26:04 +0200
Language:	Python3 (PyPy3)
Status:	READY
Result:	RUNTIME ERROR

Test results
test	verdict	time
#1	ACCEPTED	0.04 s	details
#2	ACCEPTED	0.04 s	details
#3	ACCEPTED	0.04 s	details
#4	ACCEPTED	0.04 s	details
#5	ACCEPTED	0.04 s	details
#6	ACCEPTED	0.04 s	details
#7	ACCEPTED	0.04 s	details
#8	ACCEPTED	0.04 s	details
#9	ACCEPTED	0.04 s	details
#10	ACCEPTED	0.04 s	details
#11	ACCEPTED	0.04 s	details
#12	ACCEPTED	0.04 s	details
#13	ACCEPTED	0.04 s	details
#14	RUNTIME ERROR	0.07 s	details
#15	ACCEPTED	0.04 s	details
#16	WRONG ANSWER	0.04 s	details
#17	ACCEPTED	0.04 s	details
#18	RUNTIME ERROR	0.07 s	details
#19	ACCEPTED	0.04 s	details
#20	ACCEPTED	0.04 s	details
#21	ACCEPTED	0.04 s	details
#22	ACCEPTED	0.04 s	details
#23	ACCEPTED	0.04 s	details
#24	RUNTIME ERROR	0.06 s	details
#25	RUNTIME ERROR	0.06 s	details
#26	RUNTIME ERROR	0.06 s	details
#27	ACCEPTED	0.04 s	details
#28	RUNTIME ERROR	0.07 s	details
#29	RUNTIME ERROR	0.06 s	details
#30	RUNTIME ERROR	0.06 s	details
#31	ACCEPTED	0.04 s	details
#32	RUNTIME ERROR	0.07 s	details
#33	ACCEPTED	0.05 s	details
#34	RUNTIME ERROR	0.07 s	details
#35	RUNTIME ERROR	0.07 s	details
#36	RUNTIME ERROR	0.07 s	details
#37	RUNTIME ERROR	0.07 s	details
#38	RUNTIME ERROR	0.07 s	details
#39	RUNTIME ERROR	0.07 s	details
#40	RUNTIME ERROR	0.07 s	details
#41	RUNTIME ERROR	0.07 s	details
#42	RUNTIME ERROR	0.08 s	details
#43	ACCEPTED	0.05 s	details
#44	RUNTIME ERROR	0.07 s	details
#45	RUNTIME ERROR	0.07 s	details
#46	RUNTIME ERROR	0.08 s	details
#47	WRONG ANSWER	0.04 s	details
#48	RUNTIME ERROR	0.07 s	details
#49	RUNTIME ERROR	0.07 s	details
#50	RUNTIME ERROR	0.07 s	details
#51	RUNTIME ERROR	0.07 s	details
#52	RUNTIME ERROR	0.08 s	details
#53	RUNTIME ERROR	0.08 s	details
#54	RUNTIME ERROR	0.08 s	details
#55	RUNTIME ERROR	0.08 s	details
#56	RUNTIME ERROR	0.08 s	details
#57	ACCEPTED	0.05 s	details
#58	RUNTIME ERROR	0.08 s	details
#59	RUNTIME ERROR	0.08 s	details
#60	RUNTIME ERROR	0.08 s	details
#61	RUNTIME ERROR	0.08 s	details
#62	RUNTIME ERROR	0.15 s	details
#63	RUNTIME ERROR	0.17 s	details
#64	RUNTIME ERROR	0.14 s	details
#65	RUNTIME ERROR	0.16 s	details
#66	RUNTIME ERROR	0.15 s	details
#67	RUNTIME ERROR	0.17 s	details
#68	RUNTIME ERROR	0.15 s	details
#69	RUNTIME ERROR	0.15 s	details
#70	RUNTIME ERROR	0.15 s	details
#71	RUNTIME ERROR	0.15 s	details

Code

n = int(input())
s = input().strip()
cnt = [0] * 26
left = 0
min_len = n + 1
ans = ""
def potential():
    return sum(x * x for x in cnt)
right = 0
for right in range(n):
    idx = ord(s[right]) - ord('a')
    cnt[idx] += 1

    while left <= right and potential() >= n:
        if right - left + 1 < min_len:
            min_len = right - left + 1
            ans = s[left:right+1]
        cnt[ord(s[left]) - ord('a')] -= 1
        left += 1

print(ans)

Test details

Test 1

Verdict: ACCEPTED

input
`1 e` view save

correct output
`e` view save

user output
`e` view save

Test 2

Verdict: ACCEPTED

input
`1 be` view save

correct output
`b` view save

user output
`b` view save

Test 3

Verdict: ACCEPTED

input
`1 za` view save

correct output
`z` view save

user output
`z` view save

Test 4

Verdict: ACCEPTED

input
`1 po` view save

correct output
`p` view save

user output
`p` view save

Test 5

Verdict: ACCEPTED

input
`1 acc` view save

correct output
`a` view save

user output
`a` view save

Test 6

Verdict: ACCEPTED

input
`2 caa` view save

correct output
`ca` view save

user output
`ca` view save

Test 7

Verdict: ACCEPTED

input
`2 caa` view save

correct output
`ca` view save

user output
`ca` view save

Test 8

Verdict: ACCEPTED

input
`2 cced` view save

correct output
`cc` view save

user output
`cc` view save

Test 9

Verdict: ACCEPTED

input
`2 ceea` view save

correct output
`ce` view save

user output
`ce` view save

Test 10

Verdict: ACCEPTED

input
`1 ccad` view save

correct output
`c` view save

user output
`c` view save

Test 11

Verdict: ACCEPTED

input
`4 ccda` view save

correct output
`cc` view save

user output
`cc` view save

Test 12

Verdict: ACCEPTED

input
`1 defdf` view save

correct output
`d` view save

user output
`d` view save

Test 13

Verdict: ACCEPTED

input
`1 fefaa` view save

correct output
`f` view save

user output
`f` view save

Test 14

Verdict: RUNTIME ERROR

input
`7 bafdf` view save

correct output
`bafdf` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    idx =...

Test 15

Verdict: ACCEPTED

input
`1 aefba` view save

correct output
`a` view save

user output
`a` view save

Test 16

Verdict: WRONG ANSWER

input
`3 cbacc` view save

correct output
`cc` view save

user output
`cba` view save

Test 17

Verdict: ACCEPTED

input
`1 bwvfj` view save

correct output
`b` view save

user output
`b` view save

Test 18

Verdict: RUNTIME ERROR

input
`11 caaca` view save

correct output
`caaca` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    idx =...

Test 19

Verdict: ACCEPTED

input
`4 fuilz` view save

correct output
`fuil` view save

user output
`fuil` view save

Test 20

Verdict: ACCEPTED

input
`5 acacb` view save

correct output
`aca` view save

user output
`aca` view save

Test 21

Verdict: ACCEPTED

input
`4 jnmma` view save

correct output
`mm` view save

user output
`mm` view save

Test 22

Verdict: ACCEPTED

input
`6 defdfdfcdd` view save

correct output
`defd` view save

user output
`defd` view save

Test 23

Verdict: ACCEPTED

input
`5 fefaabfaba` view save

correct output
`fef` view save

user output
`fef` view save

Test 24

Verdict: RUNTIME ERROR

input
`22 bafdfcccbb` view save

correct output
`bafdfcccbb` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    idx =...

Test 25

Verdict: RUNTIME ERROR

input
`12 aefbaddfcf` view save

correct output
`aefbaddf` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    idx =...

Test 26

Verdict: RUNTIME ERROR

input
`14 cbacccbcba` view save

correct output
`cccbc` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    idx =...

Test 27

Verdict: ACCEPTED

input
`1 bwvfjxzmcp` view save

correct output
`b` view save

user output
`b` view save

Test 28

Verdict: RUNTIME ERROR

input
`17 caacaabacb` view save

correct output
`aacaa` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    idx =...

Test 29

Verdict: RUNTIME ERROR

input
`13 fuilzslzio` view save

correct output
`ilzslzi` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    idx =...

Test 30

Verdict: RUNTIME ERROR

input
`16 acacbbcaba` view save

correct output
`acacbbc` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    idx =...

Test 31

Verdict: ACCEPTED

input
`5 jnmmadidaf` view save

correct output
`nmm` view save

user output
`nmm` view save

Test 32

Verdict: RUNTIME ERROR

input
`278 defdfdfcddccbfafbcceedcdcffaca...` view save

correct output
`fdfcddccbfafbcceedcdcffacadace...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    idx =...

Test 33

Verdict: ACCEPTED

input
`32 fefaabfabacbccecfdfcbedbcfbade...` view save

correct output
`cbccecfdfc` view save

user output
`cbccecfdfc` view save

Test 34

Verdict: RUNTIME ERROR

input
`1387 bafdfcccbbabedabcbddedeacddbee...` view save

correct output
`dfcccbbabedabcbddedeacddbeebfd...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    idx =...

Test 35

Verdict: RUNTIME ERROR

input
`190 aefbaddfcfaaabbaaceaaccdbbcecd...` view save

correct output
`aaabbaaceaaccdbbcecdfaedfbccdb...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    idx =...

Test 36

Verdict: RUNTIME ERROR

input
`1205 cbacccbcbaacaacacbbcaabcbcbabb...` view save

correct output
`abbaabccbacacccbabaabaacccbcbc...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    idx =...

Test 37

Verdict: RUNTIME ERROR

input
`299 bwvfjxzmcpktjnmhzevcqtvlgetwch...` view save

correct output
`vfjxzmcpktjnmhzevcqtvlgetwchfk...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    idx =...

Test 38

Verdict: RUNTIME ERROR

input
`2796 caacaabacbabbbbbbbcbccbbababcc...` view save

correct output
`bacbabbbbbbbcbccbbababccccbbcc...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    idx =...

Test 39

Verdict: RUNTIME ERROR

input
`345 fuilzslziogncbkgamnrwuijkbrhrx...` view save

correct output
`lziogncbkgamnrwuijkbrhrxsfilyy...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    idx =...

Test 40

Verdict: RUNTIME ERROR

input
`1517 acacbbcababbcbbbcbcbabccbccbab...` view save

correct output
`baaaaaccaaaaababbccbbccaaababb...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    idx =...

Test 41

Verdict: RUNTIME ERROR

input
`123 jnmmadidafwkdgdckimeiwjytbzsso...` view save

correct output
`mmadidafwkdgdckimeiwjytbzssodx...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    idx =...

Test 42

Verdict: RUNTIME ERROR

input
`1079 defdfdfcddccbfafbcceedcdcffaca...` view save

correct output
`fdfdfcddccbfafbcceedcdcffacada...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    idx =...

Test 43

Verdict: ACCEPTED

input
`56 fefaabfabacbccecfdfcbedbcfbade...` view save

correct output
`fbeeefebaedfff` view save

user output
`fbeeefebaedfff` view save

Test 44

Verdict: RUNTIME ERROR

input
`5337 bafdfcccbbabedabcbddedeacddbee...` view save

correct output
`bafdfcccbbabedabcbddedeacddbee...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    idx =...

Test 45

Verdict: RUNTIME ERROR

input
`744 aefbaddfcfaaabbaaceaaccdbbcecd...` view save

correct output
`cccacdedecabbcdcebdbbcdfddfbeb...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    idx =...

Test 46

Verdict: RUNTIME ERROR

input
`10488 cbacccbcbaacaacacbbcaabcbcbabb...` view save

correct output
`bcbcbabbcabbaabccbacacccbabaab...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    idx =...

Test 47

Verdict: WRONG ANSWER

input
`11 bwvfjxzmcpktjnmhzevcqtvlgetwch...` view save

correct output
`pxyyy` view save

user output
`bwvfjxzmcpk` view save

Test 48

Verdict: RUNTIME ERROR

input
`5929 caacaabacbabbbbbbbcbccbbababcc...` view save

correct output
`bbbbbbbcbccbbababccccbbccccbac...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    idx =...

Test 49

Verdict: RUNTIME ERROR

input
`1398 fuilzslziogncbkgamnrwuijkbrhrx...` view save

correct output
`gncbkgamnrwuijkbrhrxsfilyygatp...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    idx =...

Test 50

Verdict: RUNTIME ERROR

input
`5219 acacbbcababbcbbbcbcbabccbccbab...` view save

correct output
`acbbcababbcbbbcbcbabccbccbabba...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    idx =...

Test 51

Verdict: RUNTIME ERROR

input
`450 jnmmadidafwkdgdckimeiwjytbzsso...` view save

correct output
`qmtyjuvzcecnbymqfwyzzergpwuxbt...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    idx =...

Test 52

Verdict: RUNTIME ERROR

input
`26679 defdfdfcddccbfafbcceedcdcffaca...` view save

correct output
`bcbfacacffbedecaafcecffaffaadd...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    idx =...

Test 53

Verdict: RUNTIME ERROR

input
`22417 fefaabfabacbccecfdfcbedbcfbade...` view save

correct output
`adefccdcafbeeefebaedfffeaeabba...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    idx =...

Test 54

Verdict: RUNTIME ERROR

input
`128464 bafdfcccbbabedabcbddedeacddbee...` view save

correct output
`bafdfcccbbabedabcbddedeacddbee...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    idx =...

Test 55

Verdict: RUNTIME ERROR

input
`10769 aefbaddfcfaaabbaaceaaccdbbcecd...` view save

correct output
`ebefdceecdabceccdeaebdeebdcdfa...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    idx =...

Test 56

Verdict: RUNTIME ERROR

input
`70653 cbacccbcbaacaacacbbcaabcbcbabb...` view save

correct output
`acaaaaaabaaabbccbabbbbcacbccbc...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    idx =...

Test 57

Verdict: ACCEPTED

input
`233 bwvfjxzmcpktjnmhzevcqtvlgetwch...` view save

correct output
`qfvyojqjvhyfxtvycrjlaoofuebvev...` view save

user output
`qfvyojqjvhyfxtvycrjlaoofuebvev...` view save

Test 58

Verdict: RUNTIME ERROR

input
`116525 caacaabacbabbbbbbbcbccbbababcc...` view save

correct output
`caaabbacabbbabcccbacaaacaaccac...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    idx =...

Test 59

Verdict: RUNTIME ERROR

input
`27985 fuilzslziogncbkgamnrwuijkbrhrx...` view save

correct output
`uilzslziogncbkgamnrwuijkbrhrxs...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    idx =...

Test 60

Verdict: RUNTIME ERROR

input
`161959 acacbbcababbcbbbcbcbabccbccbab...` view save

correct output
`acacbbcababbcbbbcbcbabccbccbab...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    idx =...

Test 61

Verdict: RUNTIME ERROR

input
`8903 jnmmadidafwkdgdckimeiwjytbzsso...` view save

correct output
`uaguxmabjxfuialfmskifofagvsnkn...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    idx =...

Test 62

Verdict: RUNTIME ERROR

input
`264240357 defdfdfcddccbfafbcceedcdcffaca...` view save

correct output
`badeaccfbabfcceaabffecbffcdcfe...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    idx =...

Test 63

Verdict: RUNTIME ERROR

input
`30437082 fefaabfabacbccecfdfcbedbcfbade...` view save

correct output
`acdbbfafacdebdefccfbcfcdeecdfd...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    idx =...

Test 64

Verdict: RUNTIME ERROR

input
`1280505429 bafdfcccbbabedabcbddedeacddbee...` view save

correct output
`eaceacebbcdfacddcecfceccddfcac...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    idx =...

Test 65

Verdict: RUNTIME ERROR

input
`107609709 aefbaddfcfaaabbaaceaaccdbbcecd...` view save

correct output
`bffcffbddbfedcccfcdcdfecbbefbe...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    idx =...

Test 66

Verdict: RUNTIME ERROR

input
`706196896 cbacccbcbaacaacacbbcaabcbcbabb...` view save

correct output
`bccbccccacabcacaaabcccbacbcaba...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    idx =...

Test 67

Verdict: RUNTIME ERROR

input
`9966992 bwvfjxzmcpktjnmhzevcqtvlgetwch...` view save

correct output
`hljwtcgatnetpvfxeiipnhaarsejbf...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    idx =...

Test 68

Verdict: RUNTIME ERROR

input
`1449002782 caacaabacbabbbbbbbcbccbbababcc...` view save

correct output
`acbaabcaababcabcccabcbbaacccca...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    idx =...

Test 69

Verdict: RUNTIME ERROR

input
`275504573 fuilzslziogncbkgamnrwuijkbrhrx...` view save

correct output
`lziogncbkgamnrwuijkbrhrxsfilyy...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    idx =...

Test 70

Verdict: RUNTIME ERROR

input
`1480920774 acacbbcababbcbbbcbcbabccbccbab...` view save

correct output
`bcccaccabcaabccaaabcbbacbbbbba...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    idx =...

Test 71

Verdict: RUNTIME ERROR

input
`199518168 jnmmadidafwkdgdckimeiwjytbzsso...` view save

correct output
`mzdiyihtesgshxbshryvzqghavzgrs...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    idx =...

Aalto Competitive Programming 2025 - wk9 - Mon

Matter++

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

Test 19

Test 20

Test 21

Test 22

Test 23

Test 24

Test 25

Test 26

Test 27

Test 28

Test 29

Test 30

Test 31

Test 32

Test 33

Test 34

Test 35

Test 36

Test 37

Test 38

Test 39

Test 40

Test 41

Test 42

Test 43

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

Test 71

Tasks

Submissions (mooc.fi~1130261)