From e2a7867e1ab365b7bc2787f0d650c56e789a74d3 Mon Sep 17 00:00:00 2001
From: Mohammad S Anwar <mohammad.anwar@yahoo.com>
Date: Mon, 18 Dec 2023 13:24:11 +0000
Subject: - Added solutions by Bob Lied. - Added solutions by David Ferrone. -
 Added solutions by W. Luis Mochan. - Added solutions by Mark Anderson. -
 Added solutions by Niels van Dijke.

---
 challenge-248/eric-cheung/python/ch-1.py | 21 +++++++++++++++++++++
 challenge-248/eric-cheung/python/ch-2.py | 13 +++++++++++++
 2 files changed, 34 insertions(+)
 create mode 100755 challenge-248/eric-cheung/python/ch-1.py
 create mode 100755 challenge-248/eric-cheung/python/ch-2.py

(limited to 'challenge-248/eric-cheung/python')

diff --git a/challenge-248/eric-cheung/python/ch-1.py b/challenge-248/eric-cheung/python/ch-1.py
new file mode 100755
index 0000000000..6a7dab3628
--- /dev/null
+++ b/challenge-248/eric-cheung/python/ch-1.py
@@ -0,0 +1,21 @@
+
+## Example 1
+## strInput = "loveleetcode"
+## strChar = "e"
+
+## Example 2
+strInput = "aaab"
+strChar = "b"
+
+arrCharIndx = [nIndx for nIndx in range(len(strInput)) if strInput[nIndx] == strChar]
+arrOutput = []
+
+for nIndx in range(len(strInput)):
+    if strInput[nIndx] == strChar:
+        arrOutput.append(0)
+    elif nIndx < arrCharIndx[0]:
+        arrOutput.append(arrCharIndx[0] - nIndx)
+    else:
+        arrOutput.append(min([abs(nLoop - nIndx) for nLoop in arrCharIndx]))
+
+print (arrOutput)
diff --git a/challenge-248/eric-cheung/python/ch-2.py b/challenge-248/eric-cheung/python/ch-2.py
new file mode 100755
index 0000000000..61e8e84fd1
--- /dev/null
+++ b/challenge-248/eric-cheung/python/ch-2.py
@@ -0,0 +1,13 @@
+
+## arrMatrixInput = [[1,  2,  3,  4], [5,  6,  7,  8], [9, 10, 11, 12]]  ## Example 1
+arrMatrixInput = [[1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]  ## Example 2
+
+arrMatrixOutput = []
+
+for nRow in range(len(arrMatrixInput) - 1):
+    arrRow = []
+    for nCol in range(len(arrMatrixInput[nRow]) - 1):
+        arrRow.append(arrMatrixInput[nRow][nCol] + arrMatrixInput[nRow][nCol + 1] + arrMatrixInput[nRow + 1][nCol] + arrMatrixInput[nRow + 1][nCol + 1])
+    arrMatrixOutput.append(arrRow)
+
+print (arrMatrixOutput)
-- 
cgit