CSES - Aalto Competitive Programming 2026 - wk1 - Wed

Submission details
Task:	Scorpion and frogs
Sender:	aalto26aw_002
Submission time:	2026-09-02 17:47:00 +0300
Language:	Python3 (CPython3)
Status:	READY
Result:	TIME LIMIT EXCEEDED

Test results
test	verdict	time
#1	ACCEPTED	0.02 s	details
#2	ACCEPTED	0.02 s	details
#3	ACCEPTED	0.02 s	details
#4	ACCEPTED	0.02 s	details
#5	ACCEPTED	0.02 s	details
#6	ACCEPTED	0.02 s	details
#7	ACCEPTED	0.02 s	details
#8	ACCEPTED	0.02 s	details
#9	ACCEPTED	0.02 s	details
#10	ACCEPTED	0.02 s	details
#11	ACCEPTED	0.02 s	details
#12	ACCEPTED	0.02 s	details
#13	ACCEPTED	0.02 s	details
#14	ACCEPTED	0.02 s	details
#15	ACCEPTED	0.02 s	details
#16	ACCEPTED	0.02 s	details
#17	ACCEPTED	0.02 s	details
#18	ACCEPTED	0.02 s	details
#19	ACCEPTED	0.02 s	details
#20	ACCEPTED	0.02 s	details
#21	ACCEPTED	0.49 s	details
#22	TIME LIMIT EXCEEDED	--	details
#23	TIME LIMIT EXCEEDED	--	details
#24	TIME LIMIT EXCEEDED	--	details
#25	TIME LIMIT EXCEEDED	--	details
#26	TIME LIMIT EXCEEDED	--	details
#27	TIME LIMIT EXCEEDED	--	details
#28	TIME LIMIT EXCEEDED	--	details
#29	TIME LIMIT EXCEEDED	--	details
#30	TIME LIMIT EXCEEDED	--	details
#31	TIME LIMIT EXCEEDED	--	details
#32	TIME LIMIT EXCEEDED	--	details
#33	TIME LIMIT EXCEEDED	--	details
#34	TIME LIMIT EXCEEDED	--	details
#35	TIME LIMIT EXCEEDED	--	details
#36	TIME LIMIT EXCEEDED	--	details
#37	TIME LIMIT EXCEEDED	--	details
#38	RUNTIME ERROR	0.02 s	details
#39	RUNTIME ERROR	0.02 s	details
#40	RUNTIME ERROR	0.02 s	details
#41	RUNTIME ERROR	0.02 s	details
#42	RUNTIME ERROR	0.02 s	details
#43	RUNTIME ERROR	0.02 s	details
#44	RUNTIME ERROR	0.02 s	details
#45	RUNTIME ERROR	0.02 s	details
#46	RUNTIME ERROR	0.02 s	details
#47	RUNTIME ERROR	0.02 s	details
#48	RUNTIME ERROR	0.02 s	details
#49	RUNTIME ERROR	0.02 s	details
#50	RUNTIME ERROR	0.02 s	details
#51	RUNTIME ERROR	0.02 s	details
#52	RUNTIME ERROR	0.02 s	details
#53	RUNTIME ERROR	0.02 s	details
#54	RUNTIME ERROR	0.02 s	details
#55	RUNTIME ERROR	0.02 s	details

Code

def jump(k,n):
    if k >= n+1:
        return 1
    res = 0
    for i in range(k,n+2):
        res += jump(i+2,n)
    return res

n = int(input())

print(jump(1,n)%998244353)

Test details

Test 1

Verdict: ACCEPTED

input
`1` view save

correct output
`2` view save

user output
`2` view save

Test 2

Verdict: ACCEPTED

input
`2` view save

correct output
`3` view save

user output
`3` view save

Test 3

Verdict: ACCEPTED

input
`3` view save

correct output
`5` view save

user output
`5` view save

Test 4

Verdict: ACCEPTED

input
`4` view save

correct output
`8` view save

user output
`8` view save

Test 5

Verdict: ACCEPTED

input
`5` view save

correct output
`13` view save

user output
`13` view save

Test 6

Verdict: ACCEPTED

input
`6` view save

correct output
`21` view save

user output
`21` view save

Test 7

Verdict: ACCEPTED

input
`7` view save

correct output
`34` view save

user output
`34` view save

Test 8

Verdict: ACCEPTED

input
`8` view save

correct output
`55` view save

user output
`55` view save

Test 9

Verdict: ACCEPTED

input
`9` view save

correct output
`89` view save

user output
`89` view save

Test 10

Verdict: ACCEPTED

input
`10` view save

correct output
`144` view save

user output
`144` view save

Test 11

Verdict: ACCEPTED

input
`11` view save

correct output
`233` view save

user output
`233` view save

Test 12

Verdict: ACCEPTED

input
`12` view save

correct output
`377` view save

user output
`377` view save

Test 13

Verdict: ACCEPTED

input
`13` view save

correct output
`610` view save

user output
`610` view save

Test 14

Verdict: ACCEPTED

input
`14` view save

correct output
`987` view save

user output
`987` view save

Test 15

Verdict: ACCEPTED

input
`15` view save

correct output
`1597` view save

user output
`1597` view save

Test 16

Verdict: ACCEPTED

input
`16` view save

correct output
`2584` view save

user output
`2584` view save

Test 17

Verdict: ACCEPTED

input
`17` view save

correct output
`4181` view save

user output
`4181` view save

Test 18

Verdict: ACCEPTED

input
`18` view save

correct output
`6765` view save

user output
`6765` view save

Test 19

Verdict: ACCEPTED

input
`19` view save

correct output
`10946` view save

user output
`10946` view save

Test 20

Verdict: ACCEPTED

input
`20` view save

correct output
`17711` view save

user output
`17711` view save

Test 21

Verdict: ACCEPTED

input
`30` view save

correct output
`2178309` view save

user output
`2178309` view save

Test 22

Verdict: TIME LIMIT EXCEEDED

input
`40` view save

correct output
`267914296` view save

user output
(empty)

Test 23

Verdict: TIME LIMIT EXCEEDED

input
`50` view save

correct output
`9216450` view save

user output
(empty)

Test 24

Verdict: TIME LIMIT EXCEEDED

input
`60` view save

correct output
`865709054` view save

user output
(empty)

Test 25

Verdict: TIME LIMIT EXCEEDED

input
`70` view save

correct output
`659095774` view save

user output
(empty)

Test 26

Verdict: TIME LIMIT EXCEEDED

input
`80` view save

correct output
`343522908` view save

user output
(empty)

Test 27

Verdict: TIME LIMIT EXCEEDED

input
`90` view save

correct output
`666203437` view save

user output
(empty)

Test 28

Verdict: TIME LIMIT EXCEEDED

input
`100` view save

correct output
`741707250` view save

user output
(empty)

Test 29

Verdict: TIME LIMIT EXCEEDED

input
`200` view save

correct output
`319277240` view save

user output
(empty)

Test 30

Verdict: TIME LIMIT EXCEEDED

input
`300` view save

correct output
`12089690` view save

user output
(empty)

Test 31

Verdict: TIME LIMIT EXCEEDED

input
`400` view save

correct output
`356073916` view save

user output
(empty)

Test 32

Verdict: TIME LIMIT EXCEEDED

input
`500` view save

correct output
`831535149` view save

user output
(empty)

Test 33

Verdict: TIME LIMIT EXCEEDED

input
`600` view save

correct output
`627858041` view save

user output
(empty)

Test 34

Verdict: TIME LIMIT EXCEEDED

input
`700` view save

correct output
`894762479` view save

user output
(empty)

Test 35

Verdict: TIME LIMIT EXCEEDED

input
`800` view save

correct output
`695610340` view save

user output
(empty)

Test 36

Verdict: TIME LIMIT EXCEEDED

input
`900` view save

correct output
`120428339` view save

user output
(empty)

Test 37

Verdict: TIME LIMIT EXCEEDED

input
`1000` view save

correct output
`506723686` view save

user output
(empty)

Test 38

Verdict: RUNTIME ERROR

input
`2000` view save

correct output
`118272245` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 11, in <module>
    print(jump(1,n)%998244353)
          ^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  [Previous line repeated 996 more times]
RecursionError: maximum recursion depth exceeded

Test 39

Verdict: RUNTIME ERROR

input
`3000` view save

correct output
`50602578` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 11, in <module>
    print(jump(1,n)%998244353)
          ^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  [Previous line repeated 996 more times]
RecursionError: maximum recursion depth exceeded

Test 40

Verdict: RUNTIME ERROR

input
`4000` view save

correct output
`38687300` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 11, in <module>
    print(jump(1,n)%998244353)
          ^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  [Previous line repeated 996 more times]
RecursionError: maximum recursion depth exceeded

Test 41

Verdict: RUNTIME ERROR

input
`5000` view save

correct output
`644069919` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 11, in <module>
    print(jump(1,n)%998244353)
          ^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  [Previous line repeated 996 more times]
RecursionError: maximum recursion depth exceeded

Test 42

Verdict: RUNTIME ERROR

input
`6000` view save

correct output
`905964874` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 11, in <module>
    print(jump(1,n)%998244353)
          ^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  [Previous line repeated 996 more times]
RecursionError: maximum recursion depth exceeded

Test 43

Verdict: RUNTIME ERROR

input
`7000` view save

correct output
`917351342` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 11, in <module>
    print(jump(1,n)%998244353)
          ^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  [Previous line repeated 996 more times]
RecursionError: maximum recursion depth exceeded

Test 44

Verdict: RUNTIME ERROR

input
`8000` view save

correct output
`606465604` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 11, in <module>
    print(jump(1,n)%998244353)
          ^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  [Previous line repeated 996 more times]
RecursionError: maximum recursion depth exceeded

Test 45

Verdict: RUNTIME ERROR

input
`9000` view save

correct output
`676429656` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 11, in <module>
    print(jump(1,n)%998244353)
          ^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  [Previous line repeated 996 more times]
RecursionError: maximum recursion depth exceeded

Test 46

Verdict: RUNTIME ERROR

input
`10000` view save

correct output
`634342956` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 11, in <module>
    print(jump(1,n)%998244353)
          ^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  [Previous line repeated 996 more times]
RecursionError: maximum recursion depth exceeded

Test 47

Verdict: RUNTIME ERROR

input
`20000` view save

correct output
`215568895` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 11, in <module>
    print(jump(1,n)%998244353)
          ^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  [Previous line repeated 996 more times]
RecursionError: maximum recursion depth exceeded

Test 48

Verdict: RUNTIME ERROR

input
`30000` view save

correct output
`54808147` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 11, in <module>
    print(jump(1,n)%998244353)
          ^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  [Previous line repeated 996 more times]
RecursionError: maximum recursion depth exceeded

Test 49

Verdict: RUNTIME ERROR

input
`40000` view save

correct output
`242971895` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 11, in <module>
    print(jump(1,n)%998244353)
          ^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  [Previous line repeated 996 more times]
RecursionError: maximum recursion depth exceeded

Test 50

Verdict: RUNTIME ERROR

input
`50000` view save

correct output
`575576968` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 11, in <module>
    print(jump(1,n)%998244353)
          ^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  [Previous line repeated 996 more times]
RecursionError: maximum recursion depth exceeded

Test 51

Verdict: RUNTIME ERROR

input
`60000` view save

correct output
`923159168` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 11, in <module>
    print(jump(1,n)%998244353)
          ^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  [Previous line repeated 996 more times]
RecursionError: maximum recursion depth exceeded

Test 52

Verdict: RUNTIME ERROR

input
`70000` view save

correct output
`621454924` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 11, in <module>
    print(jump(1,n)%998244353)
          ^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  [Previous line repeated 996 more times]
RecursionError: maximum recursion depth exceeded

Test 53

Verdict: RUNTIME ERROR

input
`80000` view save

correct output
`562709198` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 11, in <module>
    print(jump(1,n)%998244353)
          ^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  [Previous line repeated 996 more times]
RecursionError: maximum recursion depth exceeded

Test 54

Verdict: RUNTIME ERROR

input
`90000` view save

correct output
`389404104` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 11, in <module>
    print(jump(1,n)%998244353)
          ^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  [Previous line repeated 996 more times]
RecursionError: maximum recursion depth exceeded

Test 55

Verdict: RUNTIME ERROR

input
`100000` view save

correct output
`66655788` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 11, in <module>
    print(jump(1,n)%998244353)
          ^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  File "/box/input/code.py", line 6, in jump
    res += jump(i+2,n)
           ^^^^^^^^^^^
  [Previous line repeated 996 more times]
RecursionError: maximum recursion depth exceeded

Aalto Competitive Programming 2026 - wk1 - Wed

Scorpion and frogs

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

Tasks

Submissions (aalto26aw_002)