From bafffe33c0839de0c554cb27f1ffe562429cc882 Mon Sep 17 00:00:00 2001
From: Mohammad S Anwar <mohammad.anwar@yahoo.com>
Date: Tue, 22 Nov 2022 18:50:46 +0000
Subject: - Added guest contributions by Eric Cheung.

---
 challenge-192/eric-cheung/python/ch-1.py | 10 +++++++
 challenge-192/eric-cheung/python/ch-2.py | 49 ++++++++++++++++++++++++++++++++
 2 files changed, 59 insertions(+)
 create mode 100755 challenge-192/eric-cheung/python/ch-1.py
 create mode 100755 challenge-192/eric-cheung/python/ch-2.py

diff --git a/challenge-192/eric-cheung/python/ch-1.py b/challenge-192/eric-cheung/python/ch-1.py
new file mode 100755
index 0000000000..8d5c289448
--- /dev/null
+++ b/challenge-192/eric-cheung/python/ch-1.py
@@ -0,0 +1,10 @@
+
+## nInputNum = 5  ## Example 1
+nInputNum = 4  ## Example 2
+## nInputNum = 6  ## Example 3
+
+strBinFormat = bin(nInputNum)[2:]
+strBinFlipFormat = "".join(["0" if strCharLoop == "1" else "1" for strCharLoop in strBinFormat])
+nOuputDecFormat = int(strBinFlipFormat, 2)
+
+print (str(nOuputDecFormat))
diff --git a/challenge-192/eric-cheung/python/ch-2.py b/challenge-192/eric-cheung/python/ch-2.py
new file mode 100755
index 0000000000..cf44c47f5b
--- /dev/null
+++ b/challenge-192/eric-cheung/python/ch-2.py
@@ -0,0 +1,49 @@
+
+import sys
+import numpy as np
+
+def IsEqui(arrCheck):
+    if arrCheck[0] == arrCheck[1] and arrCheck[1] == arrCheck[2]:
+        return True
+
+    return False
+
+def GetMove(arrMove, nFromIndx, nToIndx, nMoveNum):
+    arrMove[nFromIndx] = arrMove[nFromIndx] - 1
+    arrMove[nToIndx] = arrMove[nToIndx] + 1
+
+    print ("Move #" + str(nMoveNum) + ": " + ", ".join([str(nLoop) for nLoop in arrMove]))
+
+arrInputList = [1, 0, 5]  ## Example 1
+## arrInputList = [0, 2, 0]  ## Example 2
+## arrInputList = [0, 3, 0]  ## Example 3
+
+if sum(arrInputList) % 3 != 0:
+    print (-1)
+    sys.exit()
+
+arrTempList = [nLoop for nLoop in arrInputList]
+nCountStep = 0
+
+while not IsEqui(arrTempList):
+
+    nArgMaxIndx = np.argmax(arrTempList)
+    nCountStep = nCountStep + 1
+
+    if nArgMaxIndx == 0:
+        if arrTempList[1] > arrTempList[2]:
+            GetMove(arrTempList, 1, 2, nCountStep)
+        else:
+            GetMove(arrTempList, 0, 1, nCountStep)
+    elif nArgMaxIndx == 1:
+        if arrTempList[0] > arrTempList[2]:
+            GetMove(arrTempList, 1, 2, nCountStep)
+        else:
+            GetMove(arrTempList, 1, 0, nCountStep)
+    elif nArgMaxIndx == 2:
+        if arrTempList[0] >= arrTempList[1]:
+            GetMove(arrTempList, 2, 1, nCountStep)
+        else:
+            GetMove(arrTempList, 1, 0, nCountStep)
+
+print (nCountStep)
-- 
cgit