CSES - Aalto Competitive Programming 2025 - wk5 - Mon

Submission details
Task:	Sum of ones
Sender:	aalto25g_005
Submission time:	2025-09-29 17:21:55 +0300
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	RUNTIME ERROR	0.08 s	details
#6	RUNTIME ERROR	0.08 s	details
#7	ACCEPTED	0.04 s	details
#8	ACCEPTED	0.04 s	details
#9	RUNTIME ERROR	0.08 s	details
#10	RUNTIME ERROR	0.08 s	details
#11	RUNTIME ERROR	0.07 s	details
#12	RUNTIME ERROR	0.07 s	details
#13	RUNTIME ERROR	0.07 s	details
#14	RUNTIME ERROR	0.07 s	details
#15	RUNTIME ERROR	0.07 s	details
#16	RUNTIME ERROR	0.06 s	details
#17	RUNTIME ERROR	0.07 s	details
#18	RUNTIME ERROR	0.06 s	details
#19	RUNTIME ERROR	0.07 s	details
#20	RUNTIME ERROR	0.06 s	details
#21	RUNTIME ERROR	0.06 s	details

Code

import math

n = int(input())

b = math.log2(n+1)
if int(b) == b:
    b = int(b)
    print(b*2**(b-1))
else:
    b = math.floor(b)
    sol = [0 for _ in range(2**b, n+1)]
    sol[0] = 1 + b*2**(b-1)
    index = 1
    for i in range((2**b)+1, n+1):
        sol[index] = sol[index-1] + i.bit_count()
        index += 1
    print(sol[-1])

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: ACCEPTED

input
`4` view save

correct output
`5` view save

user output
`5` view save

Test 5

Verdict: RUNTIME ERROR

input
`5` view save

correct output
`7` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 15, in <module>
    sol[index] = sol[index-1] + i.bit_count()
AttributeError: 'int' object has no attribute 'bit_count'

Test 6

Verdict: RUNTIME ERROR

input
`6` view save

correct output
`9` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 15, in <module>
    sol[index] = sol[index-1] + i.bit_count()
AttributeError: 'int' object has no attribute 'bit_count'

Test 7

Verdict: ACCEPTED

input
`7` view save

correct output
`12` view save

user output
`12` view save

Test 8

Verdict: ACCEPTED

input
`8` view save

correct output
`13` view save

user output
`13` view save

Test 9

Verdict: RUNTIME ERROR

input
`9` view save

correct output
`15` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 15, in <module>
    sol[index] = sol[index-1] + i.bit_count()
AttributeError: 'int' object has no attribute 'bit_count'

Test 10

Verdict: RUNTIME ERROR

input
`10` view save

correct output
`17` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 15, in <module>
    sol[index] = sol[index-1] + i.bit_count()
AttributeError: 'int' object has no attribute 'bit_count'

Test 11

Verdict: RUNTIME ERROR

input
`303021765044187` view save

correct output
`7250167017244884` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    sol = [0 for _ in range(2**b, n+1)]
  File "input/code.py", line 11, in <listcomp>
    sol = [0 for _ in range(2**b, n+1)]
MemoryError

Test 12

Verdict: RUNTIME ERROR

input
`390977392667778` view save

correct output
`9400236781929604` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    sol = [0 for _ in range(2**b, n+1)]
  File "input/code.py", line 11, in <listcomp>
    sol = [0 for _ in range(2**b, n+1)]
MemoryError

Test 13

Verdict: RUNTIME ERROR

input
`670904313808571` view save

correct output
`16399391652009372` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    sol = [0 for _ in range(2**b, n+1)]
  File "input/code.py", line 11, in <listcomp>
    sol = [0 for _ in range(2**b, n+1)]
MemoryError

Test 14

Verdict: RUNTIME ERROR

input
`704275111916256` view save

correct output
`17252936460583174` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    sol = [0 for _ in range(2**b, n+1)]
  File "input/code.py", line 11, in <listcomp>
    sol = [0 for _ in range(2**b, n+1)]
MemoryError

Test 15

Verdict: RUNTIME ERROR

input
`799807335176164` view save

correct output
`19646099779305746` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    sol = [0 for _ in range(2**b, n+1)]
  File "input/code.py", line 11, in <listcomp>
    sol = [0 for _ in range(2**b, n+1)]
MemoryError

Test 16

Verdict: RUNTIME ERROR

input
`852012055430877` view save

correct output
`21005540865890493` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    sol = [0 for _ in range(2**b, n+1)]
  File "input/code.py", line 11, in <listcomp>
    sol = [0 for _ in range(2**b, n+1)]
MemoryError

Test 17

Verdict: RUNTIME ERROR

input
`901305628563213` view save

correct output
`22232965316761961` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    sol = [0 for _ in range(2**b, n+1)]
  File "input/code.py", line 11, in <listcomp>
    sol = [0 for _ in range(2**b, n+1)]
MemoryError

Test 18

Verdict: RUNTIME ERROR

input
`917427461591619` view save

correct output
`22650112032503064` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    sol = [0 for _ in range(2**b, n+1)]
  File "input/code.py", line 11, in <listcomp>
    sol = [0 for _ in range(2**b, n+1)]
MemoryError

Test 19

Verdict: RUNTIME ERROR

input
`981787468874797` view save

correct output
`24322274256024775` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    sol = [0 for _ in range(2**b, n+1)]
  File "input/code.py", line 11, in <listcomp>
    sol = [0 for _ in range(2**b, n+1)]
MemoryError

Test 20

Verdict: RUNTIME ERROR

input
`1000000000000000` view save

correct output
`24784747400675348` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    sol = [0 for _ in range(2**b, n+1)]
  File "input/code.py", line 11, in <listcomp>
    sol = [0 for _ in range(2**b, n+1)]
MemoryError

Test 21

Verdict: RUNTIME ERROR

input
`989898989898989` view save

correct output
`24531282955144033` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 11, in <module>
    sol = [0 for _ in range(2**b, n+1)]
  File "input/code.py", line 11, in <listcomp>
    sol = [0 for _ in range(2**b, n+1)]
MemoryError

Aalto Competitive Programming 2025 - wk5 - Mon

Sum of ones

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

Tasks

Submissions (aalto25g_005)