index | submit | rank | book

oerh @ Computer Science by Example

[user settings]

47 problems solved

47 problems scored

47 problems tried

position 38 on the rank

score: 47 47 47 47 47 (=1 ≥⅔ ≥½ ≥⅓ >0)

Latest submissions

timestamp (UTC)	problem	language	score	runtime	reason
2026-03-20 20:01:39	replace	c	6/6	2ms 1MB
2026-03-20 19:49:20	index-ints	c	6/6	0ms 1MB
2026-03-20 19:37:19	repeat-list	c	6/6	2ms 1MB
2026-03-20 19:21:01	index-string	c	6/6	2ms 1MB
2026-03-20 19:13:43	fibonacci	c	6/6	3ms 1MB

Scores by problem

problem	best score	tries	languages
Chapter 3: Programing Basics
hello	6/6	1	c
cscx	3/3	1	c
repeat1	10/10	2	c
hi1	10/10	2	c
age1	10/10	1	c
swap1	10/10	2	c
triple1	12/12	1	c
inc1	12/12	2	c
add1	12/12	1	c
mult1	12/12	1	c
box1	12/12	1	c
oddeven1	12/12	1	c
order1	12/12	1	c
good1	30/30	3	c
signum1	12/12	1	c
triangle1	12/12	2	c
factorial1	12/12	1	c
power1	12/12	1	c
fibonacci1	12/12	1	c
hello2	60/60	1	c
total	10/10	1	c
countdown1	10/10	1	c
seq1	10/10	1	c
Chapter 4: Programming
repeat	6/6	1	c
hi	6/6	1	c
age	6/6	1	c
swap	6/6	1	c
owes	6/6	1	c
triple	6/6	1	c
inc	6/6	1	c
add	6/6	1	c
mult	6/6	1	c
pi	6/6	2	c
box	6/6	1	c
oddeven	6/6	1	c
order	6/6	4	c
good	6/6	1	c
bmi	4/4	1	c
triangle	5/5	1	c
calc	5/5	2	c
factorial	6/6	1	c
power	6/6	1	c
fibonacci	6/6	1	c
index-string	6/6	1	c
repeat-list	6/6	1	c
index-ints	6/6	1	c
replace	6/6	1	c
Chapter 5: Mathematical Foundations
digit-sum	-	0
digit-count	-	0
digit-reverse	-	0
digit-palindrome	-	0
bin2dec	-	0
dec2bin	-	0
hex2dec	-	0
dec2hex	-	0
base2base	-	0
bool-not	-	0
bool-and-or	-	0
discount	-	0
timetable	-	0
intersect	-	0
bool-calc	-	0
set-member	-	0
set-ui	-	0
set-calc	-	0
set-size	-	0
Chapter 6: Algorithms
gcd	-	0
lcm	-	0
roundiv	-	0
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