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| author | Mohammad Sajid Anwar <mohammad.anwar@yahoo.com> | 2025-10-27 14:35:15 +0000 |
|---|---|---|
| committer | Mohammad Sajid Anwar <mohammad.anwar@yahoo.com> | 2025-10-27 14:35:15 +0000 |
| commit | abe996e9ac2cb8caef4b993c2135a7f0d14bf455 (patch) | |
| tree | 1543b42b2ad0f71f82d85e59cef798e5b7c6ea3a /challenge-345/eric-cheung/python | |
| parent | dd0b42d3cf5d83c2b6d38485422b5778a32f1e6a (diff) | |
| download | perlweeklychallenge-club-abe996e9ac2cb8caef4b993c2135a7f0d14bf455.tar.gz perlweeklychallenge-club-abe996e9ac2cb8caef4b993c2135a7f0d14bf455.tar.bz2 perlweeklychallenge-club-abe996e9ac2cb8caef4b993c2135a7f0d14bf455.zip | |
- Added solutions by Eric Cheung.
- Added solutions by Mark Anderson.
- Added solutions by Lubos Kolouch.
- Added solutions by Ali Moradi.
- Added solutions by Feng Chang.
- Added solutions by Andreas Mahnke.
- Added solutions by Peter Campbell Smith.
Diffstat (limited to 'challenge-345/eric-cheung/python')
| -rwxr-xr-x | challenge-345/eric-cheung/python/ch-1.py | 23 | ||||
| -rwxr-xr-x | challenge-345/eric-cheung/python/ch-2.py | 25 |
2 files changed, 48 insertions, 0 deletions
diff --git a/challenge-345/eric-cheung/python/ch-1.py b/challenge-345/eric-cheung/python/ch-1.py new file mode 100755 index 0000000000..fffcde2be1 --- /dev/null +++ b/challenge-345/eric-cheung/python/ch-1.py @@ -0,0 +1,23 @@ +
+## arrInts = [1, 3, 2] ## Example 1
+## arrInts = [2, 4, 6, 5, 3] ## Example 2
+## arrInts = [1, 2, 3, 2, 4, 1] ## Example 3
+## arrInts = [5, 3, 1] ## Example 4
+arrInts = [1, 5, 1, 5, 1, 5, 1] ## Example 5
+
+arrOutput = []
+
+for nIndx, nElem in enumerate(arrInts):
+ bIsPeak = False
+
+ if nIndx == 0 and nElem > arrInts[nIndx + 1]:
+ bIsPeak = True
+ elif nIndx == len(arrInts) - 1 and nElem > arrInts[nIndx - 1]:
+ bIsPeak = True
+ elif nElem > arrInts[nIndx - 1] and nElem > arrInts[nIndx + 1]:
+ bIsPeak = True
+
+ if bIsPeak:
+ arrOutput.append(nIndx)
+
+print (arrOutput)
diff --git a/challenge-345/eric-cheung/python/ch-2.py b/challenge-345/eric-cheung/python/ch-2.py new file mode 100755 index 0000000000..5a4b728ca3 --- /dev/null +++ b/challenge-345/eric-cheung/python/ch-2.py @@ -0,0 +1,25 @@ +
+## Ref.:
+## https://leetcode.com/problems/last-visited-integers/description/
+
+## arrInts = [5, -1, -1] ## Example 1
+## arrInts = [3, 7, -1, -1, -1] ## Example 2
+## arrInts = [2, -1, 4, -1, -1] ## Example 3
+## arrInts = [10, 20, -1, 30, -1, -1] ## Example 4
+## arrInts = [-1, -1, 5, -1] ## Example 5
+
+## arrInts = [1, 2, -1, -1, -1] ## Example 6
+arrInts = [1, -1, 2, -1, -1] ## Example 7
+
+arrSeen = []
+arrAns = []
+arrMinusOne = []
+
+for nElem in arrInts:
+ if nElem > 0:
+ arrSeen.insert(0, nElem)
+ else:
+ arrAns.append(arrSeen[len(arrMinusOne)] if len(arrMinusOne) < len(arrSeen) else nElem)
+ arrMinusOne.append(nElem)
+
+print (arrAns)
|