linkin-park

-module(recursion_1_3_1).
-export([fib/1,dim/2]).

%fibonnaci
%0,1,2,3,4,5...
%0,1,1,2,3,5,...
fib(0)->io:fwrite([0," "]),0;
fib(1)->io:fwrite([1," "]),1;
fib(N) when N>1->K=fib(N-1)+fib(N-2),io:fwrite([K," "]),K.

linkin-park

%tail Recursion
-module(recursion_1_3_4).
-export([sum/1,fib/1,perfect/1,perfect1/1]).

% Try 1
%
%    Sum of numbers
%    F(0)+F(1)+....F(N-1)+F(N)

 sum(N) -> sum(N-1,N).

linkin-park

-module(wf_1).%week 1 final
-export([bits/1,bitsT/1,bitsST/1]).
-author("Erlang").
-version(".1").

bits(0)->0;
bits(1)->1;
bits(N) -> bits(N div 2)+ (N rem 2).

%-----7

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-module(wf_1_peri).%week 1 final
-export([perimeter/1,area/1]).
-author("Erlang").
-version(".1").

% passing width and height of triangle
perimeter({rectangle,W,H}) -> 2*(W+H);
% passing Radius of Circle
perimeter({circle,R}) -> 2*(math:pi())*R;
%passing base,sides length , height

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-module(solution).
-export([start/0]).

start() ->
    {ok,X}=io:fread(">","~d"),
    io:fwrite("~w~n",[X*2]).
    
Error
  ** exception error: an error occurred when evaluating an arithmetic expression
     in function  solution:start/0 (solution.erl, line 6)

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-module(solution).
-export([main/0]).
%R-Repeat,L-actual List ,
main() ->  
         [R|L] = read_input([]),
         foo(R,L,[]).

foo(_,[],NL)-> NL;
foo(R,[X|Xs],NL)->foo(R,Xs,NL++repeat(X,R)).

linkin-park

-module(solution).
-export([main/0]).
%R-Repeat,L-actual List ,
main() -> 
          [R|L] = read_input([]),
          foo(R,L).

foo(_,[]) -> [];
foo(R,[X|Xs]) -> repeat(X,R), foo(R,Xs).

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% Enter your code here. Read input from STDIN. Print output to STDOUT
% Your class should be named solution

-module(solution).
-export([main/0]).

main() ->
    {ok,[N,K]} = io:fread("","~s~d"),
    P  = ktimes(N,K,""),
    {Num,_} = string:to_integer(P),

linkin-park

-module(solution).
-export([main/0]).

main() ->

    Arr = read_2darray(6,6,"~d"),
    io:format("~w~n",[lists:max(groupSum(Arr,1,1,[]))]).

%taken in reverse order
read_array(0,_) -> [];

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