CSES - HIIT Open 2025

Submission details
Task:	Jubilee
Sender:	Very Competitive Programmers
Submission time:	2025-11-08 13:31:49 +0200
Language:	Python3 (PyPy3)
Status:	READY
Result:	RUNTIME ERROR

Test results
test	verdict	time
#1	ACCEPTED	0.04 s	details
#2	RUNTIME ERROR	0.12 s	details
#3	RUNTIME ERROR	0.12 s	details
#4	WRONG ANSWER	0.04 s	details
#5	WRONG ANSWER	0.04 s	details
#6	WRONG ANSWER	0.04 s	details
#7	ACCEPTED	0.04 s	details
#8	ACCEPTED	0.04 s	details
#9	RUNTIME ERROR	0.12 s	details
#10	ACCEPTED	0.04 s	details
#11	WRONG ANSWER	0.04 s	details
#12	RUNTIME ERROR	0.12 s	details
#13	WRONG ANSWER	0.04 s	details
#14	WRONG ANSWER	0.04 s	details

Code

n, m = input().split()
n = int(n)
m = int(m)

M = 100000000

def modpow(n,m):
    # n**m = (n**(m/2)) ** 2
    if m == 0:
        return 1
    if m % 2 == 1:
        return n*modpow(n,m-1) % M
    k = modpow(n,m//2) % M
    return k*k % M

print(m * modpow(m-1,n) * (modpow(m-1,n-2) - modpow(m-2,n-2)))

Test details

Test 1

Verdict: ACCEPTED

input
`3 2` view save

correct output
`2` view save

user output
`2` view save

Test 2

Verdict: RUNTIME ERROR

input
`1 1` view save

correct output
`0` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 16, in <module>
    print(m * modpow(m-1,n) * (modpow(m-1,n-2) - modpow(m-2,n-2)))
  File "input/code.py", line 12, in modpow
    return n*modpow(n,m-1) % M
  File "input/code.py", line 13, in modpow
    k = modpow(n,m//2) % M
  File "input/code.py", line 12, in modpow
    return n*modpow(n,m-1) % M
  File "input/code.py", line 13, in modpow
    k = modpow(n,m//2) % M
  File "input/code.py", line 12, in modpow
    return n*modpow(n,m-1) % M
  File "input/code.py", line 13, in modpow
    k = modpow(n,m//2) % M
  File "input/code.py", line 12, in modpow
    return n*modpow(n,m-1) % M
  File "input/code.py", line 13, in modpow
    k = modpow(n,m//2) % M
  File "input/code.py", line 12, in modpow
    return n*modpow(n,m-1) % M
  File "input/code.py", line 13, in modpow
    k = modpow(n,m//2) % M
  File "input/code.py", line 12, in modpow
    return n*modpow(n,m-1) % M
  File "input/code.py", line 13, in modpow
    k = modpow(n...

Test 3

Verdict: RUNTIME ERROR

input
`1 1000000000` view save

correct output
`56` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 16, in <module>
    print(m * modpow(m-1,n) * (modpow(m-1,n-2) - modpow(m-2,n-2)))
  File "input/code.py", line 12, in modpow
    return n*modpow(n,m-1) % M
  File "input/code.py", line 13, in modpow
    k = modpow(n,m//2) % M
  File "input/code.py", line 12, in modpow
    return n*modpow(n,m-1) % M
  File "input/code.py", line 13, in modpow
    k = modpow(n,m//2) % M
  File "input/code.py", line 12, in modpow
    return n*modpow(n,m-1) % M
  File "input/code.py", line 13, in modpow
    k = modpow(n,m//2) % M
  File "input/code.py", line 12, in modpow
    return n*modpow(n,m-1) % M
  File "input/code.py", line 13, in modpow
    k = modpow(n,m//2) % M
  File "input/code.py", line 12, in modpow
    return n*modpow(n,m-1) % M
  File "input/code.py", line 13, in modpow
    k = modpow(n,m//2) % M
  File "input/code.py", line 12, in modpow
    return n*modpow(n,m-1) % M
  File "input/code.py", line 13, in modpow
    k = modpow(n...

Test 4

Verdict: WRONG ANSWER

input
`2 1000000000` view save

correct output
`4088` view save

user output
`0` view save

Feedback: Incorrect character on line 1 col 1: expected "4088", got "0"

Test 5

Verdict: WRONG ANSWER

input
`3 1000000000` view save

correct output
`298424` view save

user output
`99999999000000000` view save

Feedback: Incorrect character on line 1 col 1: expected "298424", got "999999990000..."

Test 6

Verdict: WRONG ANSWER

input
`1000000 1000000000` view save

correct output
`859388820` view save

user output
`-86777343000000000` view save

Feedback: Incorrect character on line 1 col 1: expected "859388820", got "-86777343000..."

Test 7

Verdict: ACCEPTED

input
`2 1` view save

correct output
`0` view save

user output
`0` view save

Test 8

Verdict: ACCEPTED

input
`1000000 1` view save

correct output
`0` view save

user output
`0` view save

Test 9

Verdict: RUNTIME ERROR

input
`1 2` view save

correct output
`2` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 16, in <module>
    print(m * modpow(m-1,n) * (modpow(m-1,n-2) - modpow(m-2,n-2)))
  File "input/code.py", line 12, in modpow
    return n*modpow(n,m-1) % M
  File "input/code.py", line 13, in modpow
    k = modpow(n,m//2) % M
  File "input/code.py", line 12, in modpow
    return n*modpow(n,m-1) % M
  File "input/code.py", line 13, in modpow
    k = modpow(n,m//2) % M
  File "input/code.py", line 12, in modpow
    return n*modpow(n,m-1) % M
  File "input/code.py", line 13, in modpow
    k = modpow(n,m//2) % M
  File "input/code.py", line 12, in modpow
    return n*modpow(n,m-1) % M
  File "input/code.py", line 13, in modpow
    k = modpow(n,m//2) % M
  File "input/code.py", line 12, in modpow
    return n*modpow(n,m-1) % M
  File "input/code.py", line 13, in modpow
    k = modpow(n,m//2) % M
  File "input/code.py", line 12, in modpow
    return n*modpow(n,m-1) % M
  File "input/code.py", line 13, in modpow
    k = modpow(n...

Test 10

Verdict: ACCEPTED

input
`1000000 2` view save

correct output
`2` view save

user output
`2` view save

Test 11

Verdict: WRONG ANSWER

input
`1000000 3` view save

correct output
`129870828` view save

user output
`12264079439003904` view save

Feedback: Incorrect character on line 1 col 3: expected "129870828", got "122640794390..."

Test 12

Verdict: RUNTIME ERROR

input
`1 3` view save

correct output
`6` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 16, in <module>
    print(m * modpow(m-1,n) * (modpow(m-1,n-2) - modpow(m-2,n-2)))
  File "input/code.py", line 12, in modpow
    return n*modpow(n,m-1) % M
  File "input/code.py", line 13, in modpow
    k = modpow(n,m//2) % M
  File "input/code.py", line 12, in modpow
    return n*modpow(n,m-1) % M
  File "input/code.py", line 13, in modpow
    k = modpow(n,m//2) % M
  File "input/code.py", line 12, in modpow
    return n*modpow(n,m-1) % M
  File "input/code.py", line 13, in modpow
    k = modpow(n,m//2) % M
  File "input/code.py", line 12, in modpow
    return n*modpow(n,m-1) % M
  File "input/code.py", line 13, in modpow
    k = modpow(n,m//2) % M
  File "input/code.py", line 12, in modpow
    return n*modpow(n,m-1) % M
  File "input/code.py", line 13, in modpow
    k = modpow(n,m//2) % M
  File "input/code.py", line 12, in modpow
    return n*modpow(n,m-1) % M
  File "input/code.py", line 13, in modpow
    k = modpow(n...

Test 13

Verdict: WRONG ANSWER

input
`21355 1239478` view save

correct output
`74219157` view save

user output
`-8042036583348471644586` view save

Feedback: Incorrect character on line 1 col 1: expected "74219157", got "-80420365833..."

Test 14

Verdict: WRONG ANSWER

input
`531578 913517291` view save

correct output
`105420893` view save

user output
`0` view save

Feedback: Incorrect character on line 1 col 1: expected "105420893", got "0"

HIIT Open 2025

Jubilee

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

Tasks

Submissions (Very Competitive Programmers)