feat: added alternative python solutions.

2026-05-17 13:20:58 -03:00
parent 7e9caaea6e
commit c85571e157
451 changed files with 3777 additions and 3495 deletions
--- a/decode-ways/src/alternative-ac2.py
+++ b/decode-ways/src/alternative-ac2.py
@@ -0,0 +1,16 @@
+n = int(input())
+s = input().strip()
+
+dp = [0] * (n + 1)
+dp[0] = 1
+
+for i in range(1, n + 1):
+    if s[i - 1] != '0':
+        dp[i] += dp[i - 1]
+    
+    if i > 1:
+        two_digit = int(s[i - 2:i])
+        if 10 <= two_digit <= 26:
+            dp[i] += dp[i - 2]
+
+print(dp[n])