metallurgix

def solution(n, a)
  max=0
  b=Array.new(n,0)
  (0..a.length-1).each do |i|
    if a[i]>n
      b.fill(max)
    else
      b[a[i]-1]+=1
      if b[a[i]-1]>max
        max=b[a[i]-1]

metallurgix

def solution(x, a)
  sum=(x*(x+1))/2
  pos=-1
  b=Array.new(x,0)
  (0..a.length-1).each do |i|
    if b[a[i]-1]==0
      b[a[i]-1]=1
      sum-=a[i]
      if sum==0
        pos=i

metallurgix

def solution(a)
  if a.length==0
    1
  else
    sum=a.inject(:+)
    ((a.length+1)*(a.length+2)/2)-sum
  end
end

metallurgix

def solution(a)
  len=a.length
  sum=a.inject(:+)
  if sum==(((a.length)*(a.length+1))/2) && (a.uniq.length==len)
    1
  else
    0
  end
end

metallurgix

def solution(x, y, d)
   if x>y
       0
   else
       ((y-x)/d.to_f).ceil
   end
end

metallurgix

def solution(a)
  if a.empty?
    0
  elsif a.length==2
    a[1]-a[0]
  else
    right=a.inject(:+)-a[0]
    left=a[0]
    min=(right-left).abs
    (1..a.length-1).each do |i|

metallurgix

#include <stdio.h>

char* cal_day(int y, int m, int d)
{
    char* days[]={"Sunday","Monday","Tuesday","Wednesday","Thursday", "Friday","Saturday"};
    int a=(14-m)/12;
    y=y-a;
    m=m+12*a-2;
    return days[ (d + y + y/4 - y/100 + y/400 + (31*m)/12) % 7];
}

metallurgix

import java.util.*;

String[] days={"Sunday","Monday","Tuesday","Wednesday","Thursday", "Friday","Saturday"};
Calendar cal = Calendar.getInstance();  
// Month ranges from 0-11
cal.set(2014,7,11);
System.out.println(days[cal.get(cal.DAY_OF_WEEK)-1]);

metallurgix

require "date"

days=["Sunday","Monday","Tuesday","Wednesday","Thursday", "Friday","Saturday"]
test_date=Date.new(2014,8,10)
#test_date.wday -> returns 0-6
puts days[test_date.wday]

metallurgix

class String
  
  #Decodes Morse String
  #A space is assumed to be represented by 2 spaces in encoded string
  def decode_morse
    result=Array.new
    self.gsub!("  "," | ")
    morse= {"|"=>" ",".-"=>"A","-..."=>"B","-.-."=>"C","-.."=>"D","."=>"E","..-."=>"F","--."=>"G","...."=>"H",".."=>"I",
            ".---"=>"J","-.-"=>"K",".-.."=>"L","--"=>"M","-."=>"N","---"=>"O",".--."=>"P","--.-"=>"Q",".-."=>"R",
            "..."=>"S","-"=>"T","..-"=>"U","...-"=>"V",".--"=>"W","-..-"=>"X","-.--"=>"Y","--.."=>"Z",