2024/2.py

@@ -2,8 +2,10 @@ lines = [[int(n) for n in l.split()] for l in open("input.txt", 'r').read().spli
 
 unsafe, unsafe2 = 0, 0
 
-def checksafe(report, recursive):
-    global unsafe, unsafe2 
+for report in lines:
+    if report[0] == report[1]:
+        unsafe += 1
+        continue
 
     trend = -1 if report[0] > report[1] else 1
 
@@ -12,26 +14,8 @@ def checksafe(report, recursive):
             or (trend == 1 and report[i] > report[i+1]) \
             or (report[i] == report[i+1]) \
             or (abs(report[i] - report[i+1]) > 3):
-            if recursive:
-                return False
-            else:
-                unsafe += 1
-                # ????????? there's no way this is how this is should be done
-                if not (checksafe(l[:i-1] + l[i:], True) or checksafe(l[:i] + l[i+1:], True) or checksafe(l[:i+1] + l[i+2:], True)):
-                    unsafe2 += 1
-                    return False
-                return True
-
-    return True
             
-for l in lines:
-    if l[0] == l[1]:
-        unsafe += 1
-        if not (checksafe(l[1:], True) or checksafe(l[:1] + l[2:], True)):
-            unsafe2 += 1
-            continue
-    else:
-        checksafe(l, False)
+            unsafe += 1
+            break
 
 print(len(lines)-unsafe)
-print(len(lines)-unsafe2)

2024/3.py

@@ -1,25 +0,0 @@
-import re
-
-lines = [l for l in open("input.txt", 'r').read().splitlines()]
-
-summa, summa2, do = 0, 0, True
-
-for l in lines:
-    x2 = [i.span() for i in re.finditer(r"mul\([0-9]{1,3},[0-9]{1,3}\)|do\(\)|don't\(\)", l)]
-
-    for start,end in x2:
-        if l[start:end] == 'do()':
-            do = True
-        elif l[start:end] == 'don\'t()':
-            do = False
-        elif do:
-            tup = l[start:end].split(',')
-            prod = int(tup[0][4:]) * int(tup[1][:-1])
-            summa2 += prod
-            summa += prod
-        else :
-            tup = l[start:end].split(',')
-            summa += int(tup[0][4:]) * int(tup[1][:-1])
-
-print(summa)
-print(summa2)

2024/4.py

@@ -1,33 +0,0 @@
-import re
-
-lines = [l for l in open("input.txt", 'r').read().splitlines()]
-
-linesVert, linesDiag1, linesDiag2 = [], [], []
-count, count2, width = 0, 0, len(lines[0])
-
-for i in range(width):
-    string, string2, string3 = "", "", ""
-    for j in range(len(lines)):
-        string += lines[j][i]
-        string2 += lines[j][(i+j)%width]
-        string3 += lines[width-j-1][(i+j)%width]
-    
-    linesDiag1.append(string2[:width - i])
-    linesDiag1.append(string2[width - i:])
-    linesDiag2.append(string3[:width - i])
-    linesDiag2.append(string3[width - i:])
-    linesVert.append(string)
-
-for l in lines + linesVert + linesDiag1 + linesDiag2:
-    count += len(re.findall(r"(?=(XMAS|SAMX))", l))
-
-for i in range(width-2):
-    for j in range(len(lines)-2):
-        diag1 = lines[j][i] + lines[j+1][i+1] + lines[j+2][i+2]
-        diag2 = lines[j+2][i] + lines[j+1][i+1] + lines[j][i+2]
-        if re.search(r"MAS|SAM", diag1) != None and re.search(r"MAS|SAM", diag2) != None:
-            count2 += 1
-
-
-print(count)
-print(count2)