first commit

2025/day03/part1.py

@@ -0,0 +1,34 @@
+# input = """987654321111111
+# 811111111111119
+# 234234234234278
+# 818181911112111
+# """
+# input = "5767884946576766546558768767844146766387555466875566737775468663634866855528868858567496986549486867"
+result = 0
+
+with open("input.txt", "r") as file:
+    input = file.read()
+# читаем ввод построчно и возращает block
+for block in input.splitlines():
+# проверяем что в строке.
+    for i in range(9, 0, -1):
+        # print("i -",i)
+        if block.count(str(i)) >= 1:
+            if block.find(str(i)) + 1 == len(block):
+                pass
+            else:
+                if block.count(str(i)) >= 2:
+                    split = block.rindex(str(i),0,block.rindex(str(i))) +1
+                    # print(split)
+                else:
+                    split = block.rindex(str(i)) +1
+                ii = block[split:]
+                # print(ii)
+                for y in range(9, 0, -1):
+                    # print("y -",y)
+                    if ii.count(str(y)) >= 1:
+                        print(f"in block {block},bestcombo is {i}{y}")
+                        result += int(str(i) + str(y))
+                        break
+                break
+print(f"result - {result}")