CSES - Aalto Competitive Programming 2026 - wk3 - Homework

Submission details
Task:	Dice Combinations
Sender:	aalto26ch_022
Submission time:	2026-09-11 17:32:38 +0300
Language:	Python3 (PyPy3)
Status:	READY
Result:	WRONG ANSWER

Test results
test	verdict	time
#1	ACCEPTED	0.04 s	details
#2	ACCEPTED	0.04 s	details
#3	ACCEPTED	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	0.09 s	details
#14	RUNTIME ERROR	0.09 s	details
#15	RUNTIME ERROR	0.09 s	details
#16	RUNTIME ERROR	0.09 s	details
#17	RUNTIME ERROR	0.09 s	details
#18	WRONG ANSWER	0.04 s	details
#19	RUNTIME ERROR	0.09 s	details
#20	WRONG ANSWER	0.04 s	details

Code

# cook your dish here
a=int(input())
b={0:0,1:1,2:2,3:4}

def solve(a):
    if a<0:
        return 0
    if a in b:
        return b[a]
    b[a]=solve(a-1)+solve(a-2)+solve(a-3)
    return b[a]
print(solve(a)%(10**9+7))

Test details

Test 1

Verdict: ACCEPTED

input
`1` view save

correct output
`1` view save

user output
`1` view save

Test 2

Verdict: ACCEPTED

input
`2` view save

correct output
`2` view save

user output
`2` view save

Test 3

Verdict: ACCEPTED

input
`3` view save

correct output
`4` view save

user output
`4` view save

Test 4

Verdict: WRONG ANSWER

input
`4` view save

correct output
`8` view save

user output
`7` view save

Feedback: Incorrect character on line 1 col 1: expected "8", got "7"

Test 5

Verdict: WRONG ANSWER

input
`5` view save

correct output
`16` view save

user output
`13` view save

Feedback: Incorrect character on line 1 col 2: expected "16", got "13"

Test 6

Verdict: WRONG ANSWER

input
`6` view save

correct output
`32` view save

user output
`24` view save

Feedback: Incorrect character on line 1 col 1: expected "32", got "24"

Test 7

Verdict: WRONG ANSWER

input
`7` view save

correct output
`63` view save

user output
`44` view save

Feedback: Incorrect character on line 1 col 1: expected "63", got "44"

Test 8

Verdict: WRONG ANSWER

input
`8` view save

correct output
`125` view save

user output
`81` view save

Feedback: Incorrect character on line 1 col 1: expected "125", got "81"

Test 9

Verdict: WRONG ANSWER

input
`9` view save

correct output
`248` view save

user output
`149` view save

Feedback: Incorrect character on line 1 col 1: expected "248", got "149"

Test 10

Verdict: WRONG ANSWER

input
`10` view save

correct output
`492` view save

user output
`274` view save

Feedback: Incorrect character on line 1 col 1: expected "492", got "274"

Test 11

Verdict: WRONG ANSWER

input
`50` view save

correct output
`660641036` view save

user output
`230552708` view save

Feedback: Incorrect character on line 1 col 1: expected "660641036", got "230552708"

Test 12

Verdict: WRONG ANSWER

input
`1000` view save

correct output
`937196411` view save

user output
`509672692` view save

Feedback: Incorrect character on line 1 col 1: expected "937196411", got "509672692"

Test 13

Verdict: RUNTIME ERROR

input
`123456` view save

correct output
`113810539` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 12, in <module>
    print(solve(a)%(10**9+7))
  File "/box/input/code.py", line 10, in solve
    b[a]=solve(a-1)+solve(a-2)+solve(a-3)
  File "/box/input/code.py", line 10, in solve
    b[a]=solve(a-1)+solve(a-2)+solve(a-3)
  File "/box/input/code.py", line 10, in solve
    b[a]=solve(a-1)+solve(a-2)+solve(a-3)
  [Previous line repeated 1686 more times]
  File "/box/input/code.py", line 6, in solve
    if a<0:
RecursionError: maximum recursion depth exceeded

Test 14

Verdict: RUNTIME ERROR

input
`654321` view save

correct output
`615247550` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 12, in <module>
    print(solve(a)%(10**9+7))
  File "/box/input/code.py", line 10, in solve
    b[a]=solve(a-1)+solve(a-2)+solve(a-3)
  File "/box/input/code.py", line 10, in solve
    b[a]=solve(a-1)+solve(a-2)+solve(a-3)
  File "/box/input/code.py", line 10, in solve
    b[a]=solve(a-1)+solve(a-2)+solve(a-3)
  [Previous line repeated 1686 more times]
  File "/box/input/code.py", line 6, in solve
    if a<0:
RecursionError: maximum recursion depth exceeded

Test 15

Verdict: RUNTIME ERROR

input
`999998` view save

correct output
`39372206` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 12, in <module>
    print(solve(a)%(10**9+7))
  File "/box/input/code.py", line 10, in solve
    b[a]=solve(a-1)+solve(a-2)+solve(a-3)
  File "/box/input/code.py", line 10, in solve
    b[a]=solve(a-1)+solve(a-2)+solve(a-3)
  File "/box/input/code.py", line 10, in solve
    b[a]=solve(a-1)+solve(a-2)+solve(a-3)
  [Previous line repeated 1686 more times]
  File "/box/input/code.py", line 6, in solve
    if a<0:
RecursionError: maximum recursion depth exceeded

Test 16

Verdict: RUNTIME ERROR

input
`999999` view save

correct output
`511319454` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 12, in <module>
    print(solve(a)%(10**9+7))
  File "/box/input/code.py", line 10, in solve
    b[a]=solve(a-1)+solve(a-2)+solve(a-3)
  File "/box/input/code.py", line 10, in solve
    b[a]=solve(a-1)+solve(a-2)+solve(a-3)
  File "/box/input/code.py", line 10, in solve
    b[a]=solve(a-1)+solve(a-2)+solve(a-3)
  [Previous line repeated 1686 more times]
  File "/box/input/code.py", line 6, in solve
    if a<0:
RecursionError: maximum recursion depth exceeded

Test 17

Verdict: RUNTIME ERROR

input
`1000000` view save

correct output
`874273980` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 12, in <module>
    print(solve(a)%(10**9+7))
  File "/box/input/code.py", line 10, in solve
    b[a]=solve(a-1)+solve(a-2)+solve(a-3)
  File "/box/input/code.py", line 10, in solve
    b[a]=solve(a-1)+solve(a-2)+solve(a-3)
  File "/box/input/code.py", line 10, in solve
    b[a]=solve(a-1)+solve(a-2)+solve(a-3)
  [Previous line repeated 1686 more times]
  File "/box/input/code.py", line 6, in solve
    if a<0:
RecursionError: maximum recursion depth exceeded

Test 18

Verdict: WRONG ANSWER

input
`1001` view save

correct output
`94201505` view save

user output
`475857792` view save

Feedback: Incorrect character on line 1 col 1: expected "94201505", got "475857792"

Test 19

Verdict: RUNTIME ERROR

input
`999997` view save

correct output
`74225807` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 12, in <module>
    print(solve(a)%(10**9+7))
  File "/box/input/code.py", line 10, in solve
    b[a]=solve(a-1)+solve(a-2)+solve(a-3)
  File "/box/input/code.py", line 10, in solve
    b[a]=solve(a-1)+solve(a-2)+solve(a-3)
  File "/box/input/code.py", line 10, in solve
    b[a]=solve(a-1)+solve(a-2)+solve(a-3)
  [Previous line repeated 1686 more times]
  File "/box/input/code.py", line 6, in solve
    if a<0:
RecursionError: maximum recursion depth exceeded

Test 20

Verdict: WRONG ANSWER

input
`40` view save

correct output
`567401756` view save

user output
`837527568` view save

Feedback: Incorrect character on line 1 col 1: expected "567401756", got "837527568"

Aalto Competitive Programming 2026 - wk3 - Homework

Dice Combinations

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

Tasks

Submissions (aalto26ch_022)