Laser and mirrors
Statement
Goal
Take a board of R rows and C columns. Shoot a laser beam rightward from the top-left corner. It reflects off the mirrorsInput
Line 1: Two space-separated integers R and C for the size of the board
Next R lines: The board's layout
Next R lines: The board's layout
Output
Line 1: The cells that the laser beam passed as one long string
Constraints
1 ≤ R,C ≤ 16
Example
Input
8 8
Hello, \
w
o
r
l
d
!
#
Output
Hello, world!
Game modes
Fastest, Shortest
Test cases
Test 1 Test
Input
8 8
Hello, \
w
o
r
l
d
!
#
Output
Hello, world!
Validator 1 Validator
Input
6 6
One, \
t
w
o
!
#
Output
One, two!
Test 2 Test
Input
1 6
Right#
Output
Right
Validator 2 Validator
Input
1 9
Straight#
Output
Straight
Test 3 Test
Input
6 1
\
D
o
w
n
#
Output
Down
Validator 3 Validator
Input
8 1
\
D
o
w
n
.
.
#
Output
Down..
Test 4 Test
Input
5 9
\ .
\Twists \
/ dna/
#\tu\ .
\snr/ .
Output
Twists and turns
Validator 4 Validator
Input
5 9
\ .
\eeeeeee\
/eeee/
#\ee\ .
\eee/ .
Output
eeeeeeeeeeeeeeee
Test 5 Test
Input
3 11
Double\/r#.
/edis-/\o\.
\d mir/\r/.
Output
Double-sided mirror
Validator 5 Validator
Input
5 11
\/- sid\/\.
d\el\/e/or.
\oub//mi\\#
....d...rr.
....\/..\/.
Output
double- sided.mirror
Test 6 Test
Input
3 4
l\ .
/op#
\/ .
Output
loop
Validator 6 Validator
Input
3 5
mi\ .
/ors#
\r/ .
Output
mirrors
Test 7 Test
Input
7 7
Sh\ .
/or t\
fo/eh/
t .
\/m .
/on!#
\/ .
Output
Shoot for the moon!
Validator 7 Validator
Input
7 7
SH\ .
/OR T\
FO/EH/
T .
\/M .
/ON!#
\/ .
Output
SHOOT FOR THE MOON!
Test 8 Test
Input
8 14
If\**/e am\/s#
** */\b\/\o\\*
/ you \ htn*r*
s*\o/mwle g//*
\si\///l \/a**
***\//li\st\\*
****\i/\t/\\/*
**************
Output
If you miss you will still be among the stars
Validator 8 Validator
Input
8 14
iF\**/E aM\/s#
** */\b\/\o\\*
/ you \ hTN*r*
s*\O/MWLE g//*
\Si\///l \/a**
***\//Li\sT\\*
****\i/\T/\\/*
**************
Output
iF yOu MiSs you WiLl sTilL bE aMoNg ThE sTars
Test 9 Test
Input
10 8
111111\1
1/\/662\
13551127
/3//33//
#3341191
13341191
/99\55\\
03281161
0\28226/
\1/\77/1
Output
111111223344556677889900122933566279916228239333353
Validator 9 Validator
Input
10 8
123456\1
1/\/234\
19011185
/8//09//
#7011161
16921171
/58\34\\
34701158
4\32109/
\5/\87/1
Output
123456489012345978208534537890123456789012345678908
Test 10 Test
Input
10 13
Ready.\#\ .
/ ..//\\ .
\Set.\!\\ .
/..//\/\.
\ GOoooO\
/oOoOo/
\ooOoo\
/oOoOo/
\OoooO\
\/\/\/
Output
Ready... Set... GOoooOoOoOoooOoooOoOoOoooOOoooOoOoOoooOoooOoOoOoooO!!
Validator 10 Validator
Input
10 13
Ready.\#\ .
/ ..//\\ .
\Set.\!\\ .
/..//\/\.
\ WHEEEE\
/E e E/
\Ee eE\
/E e E/
\EEEEE\
\/\/\/
Output
Ready... Set... WHEEEEE e EEe eEE e EEEEEEEEEEEE e EEe eEE e EEEEEH!!
Solution language
Solution
Stub generator input