index | submit | rank | book

Jakob Skoglund @ Computer Science by Example

[user settings]

67 problems solved

69 problems scored

69 problems tried

position 15 on the rank

score: 67 67 67 69 69 (=1 ≥⅔ ≥½ ≥⅓ >0)

Latest submissions

timestamp (UTC)	problem	language	score	runtime	reason
2025-07-22 19:56:53	triple1	cs	12/12	346ms 13MB
2025-07-22 19:54:29	inc1	cs	12/12	206ms 13MB
2025-07-22 19:52:10	inc1	cs	8/12	51ms 13MB	compile error
2025-07-22 19:47:20	inc1	cs	8/12	397ms 13MB	compile error
2025-07-22 19:43:49	inc1	cs	8/12	372ms 13MB	compile error

Scores by problem

problem	best score	tries	languages
Chapter 3: Programing Basics
hello	6/6	9	cs, py
cscx	3/3	3	cs, py
repeat1	10/10	3	cs, py
hi1	10/10	6	cs, py
age1	10/10	3	py
swap1	10/10	2	py
triple1	12/12	8	cs, py
inc1	12/12	13	cs, py
add1	12/12	8	py
mult1	12/12	2	py
box1	12/12	3	py
oddeven1	12/12	2	py
order1	12/12	3	py
good1	30/30	2	py
signum1	12/12	2	py
triangle1	12/12	6	py
factorial1	12/12	2	py
power1	12/12	2	py
fibonacci1	12/12	2	py
hello2	60/60	4	py
total	10/10	2	py
countdown1	10/10	2	py
seq1	10/10	1	py
Chapter 4: Programming
repeat	6/6	3	py
hi	6/6	1	py
age	6/6	8	py
swap	6/6	5	py
owes	6/6	4	py
triple	6/6	1	py
inc	6/6	1	py
add	6/6	1	py
mult	6/6	1	py
pi	6/6	2	py
box	6/6	2	py
oddeven	6/6	2	py
order	6/6	1	py
good	6/6	1	py
bmi	4/4	1	py
triangle	5/5	1	py
calc	5/5	1	py
factorial	6/6	1	py
power	6/6	2	py
fibonacci	6/6	2	py
index-string	6/6	1	py
repeat-list	6/6	2	py
index-ints	6/6	1	py
replace	6/6	1	py
Chapter 5: Mathematical Foundations
digit-sum	6/6	5	py
digit-count	6/6	1	py
digit-reverse	6/6	1	py
digit-palindrome	6/6	3	py
bin2dec	6/6	1	py
dec2bin	6/6	2	py
hex2dec	6/6	1	py
dec2hex	6/6	1	py
base2base	6/6	1	py
bool-not	6/6	20	py
bool-and-or	6/6	1	py
discount	6/6	4	py
timetable	6/6	7	py
intersect	6/6	4	py
bool-calc	6/6	5	py
set-member	6/6	6	py
set-ui	6/6	1	py
set-calc	2/6	4	py
set-size	6/6	1	py
Chapter 6: Algorithms
gcd	6/6	1	py
lcm	6/6	10	py
roundiv	5/12	1	py
primes	-	0
cash	-	0
max-subarray	-	0
sorting	-	0
Chapter 7: Computer Foundations
file-write	-	0
file-read	-	0
run-count	-	0
hello-cmd	-	0
erro	-	0
errxit	-	0
bytes2bits	-	0
bits2bytes	-	0
kilobytes	-	0
bconv	-	0
file-size	-	0
hconv	-	0
Bonus exercises
function1	-	0
function	-	0
ordinal	-	0
rectangle	-	0
apply	-	0
rot13	-	0
caesar	-	0
brutus	-	0
stack	-	0
queue	-	0
rel-ltom	-	0
rel-mtol	-	0
rel-member	-	0
rel-properties	-	0
rel-composition	-	0

index | submit | rank | book