tasks a-s

Task/Roman-numerals-Encode/Python/roman-numerals-encode-1.py

@@ -0,0 +1,24 @@
+roman =        "MDCLXVmdclxvi"; # UPPERCASE for thousands #
+adjust_roman = "CCXXmmccxxii";
+arabic =       (1000000, 500000, 100000, 50000, 10000, 5000, 1000, 500, 100, 50, 10, 5, 1);
+adjust_arabic = (100000, 100000,  10000, 10000,  1000, 1000,  100, 100,  10, 10,  1, 1, 0);
+
+def arabic_to_roman(dclxvi):
+  org = dclxvi; # 666 #
+  out = "";
+  for scale,arabic_scale  in enumerate(arabic):
+    if org == 0: break
+    multiples = org / arabic_scale;
+    org -= arabic_scale * multiples;
+    out += roman[scale] * multiples;
+    if org >= -adjust_arabic[scale] + arabic_scale:
+      org -= -adjust_arabic[scale] + arabic_scale;
+      out +=  adjust_roman[scale] +  roman[scale]
+  return out
+
+if __name__ == "__main__":
+  test = (1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,25,30,40,50,60,69,70,
+     80,90,99,100,200,300,400,500,600,666,700,800,900,1000,1009,1444,1666,1945,1997,1999,
+     2000,2008,2500,3000,4000,4999,5000,6666,10000,50000,100000,500000,1000000);
+  for val in test:
+    print '%d - %s'%(val, arabic_to_roman(val))

Task/Roman-numerals-Encode/Python/roman-numerals-encode-2.py

@@ -0,0 +1,16 @@
+romanDgts= 'ivxlcdmVXLCDM_'
+
+def ToRoman(num):
+   namoR = ''
+   if num >=4000000:
+      print 'Too Big -'
+      return '-----'
+   for rdix in range(0, len(romanDgts), 2):
+      if num==0: break
+      num,r = divmod(num,10)
+      v,r = divmod(r, 5)
+      if r==4:
+         namoR += romanDgts[rdix+1+v] + romanDgts[rdix]
+      else:
+         namoR += r*romanDgts[rdix] + (romanDgts[rdix+1] if(v==1) else '')
+   return namoR[-1::-1]

Task/Roman-numerals-Encode/Python/roman-numerals-encode-3.py

@@ -0,0 +1,18 @@
+anums = [1000, 900, 500, 400, 100, 90, 50, 40, 10, 9, 5, 4, 1]
+rnums = "M CM D CD C XC L XL X IX V IV I".split()
+
+def to_roman(x):
+    ret = []
+    for a,r in zip(anums, rnums):
+        n,x = divmod(x,a)
+        ret.append(r*n)
+    return ''.join(ret)
+
+if __name__ == "__main__":
+    test = (1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,25,30,40,
+            50,60,69,70,80,90,99,100,200,300,400,500,600,666,700,800,900,
+            1000,1009,1444,1666,1945,1997,1999,2000,2008,2010,2011,2500,
+            3000,3999)
+
+    for val in test:
+        print '%d - %s'%(val, to_roman(val))