diff --git a/18/1.py b/18/1.py
index c302ddf..ba9ccf0 100644
--- a/18/1.py
+++ b/18/1.py
@@ -17,16 +17,6 @@ with open('./dat/18-6.txt', 'r') as f:
         new_row.append(ns)
     arr.append(new_row)
 
-# for row in matrix:
-#   for el in row:
-#     print(el, end=' ')
-#   print()
-
-# print("-------------------------Delimeter-------------------------")
-
-# for row in arr:
-#   for el in row:
-#     print(el, end=' ')
-#   print()
-
 print(arr[-1][-1])
+
+# 1418 743
\ No newline at end of file
diff --git a/18/24.py b/18/24.py
index e10e692..5c66e58 100644
--- a/18/24.py
+++ b/18/24.py
@@ -1,26 +1,29 @@
-inf = float('inf')
-
-
 def count(a: list[list[int]], i: int, j: int) -> list[int]:
-  if a[i][j] > 100 and a[i][j] < 500 or a[i][j] < 0 and a[i][j] > -400:
-    return [0, inf]
 
-  t, l = [0, inf], [0, inf]
-  summ = a[i][j]
+  if i == len(a) or j == len(a[0]):
+    return None
 
-  if i > 0:
-    t = count(a, i-1, j)
-  if j > 0:
-    l = count(a, i, j-1)
+  if (a[i][j] > 100 and a[i][j] < 500) or (a[i][j] > -400 and a[i][j] < 0):
+    return None
 
-  # minn = min(t[1], l[1])
+  r = count(a, i, j+1)
+  b = count(a, i+1, j)
 
-  return [summ + max(t[0], l[0]), summ + min(t[1], l[1])]
+  c = a[i][j]
+
+  if r == None and b == None:
+    return [c, c]
+  if r == None:
+    return [c + b[0], c + b[1]]
+  if b == None:
+    return [c + r[0], c + r[1]]
+
+  return [c + max(r[0], b[0]), c + min(r[1], b[1])]
 
 
 with open("dat/18-13.csv", 'r') as f:
   a = [[int(i) for i in row.split(';')] for row in f.readlines()]
 
-  print(count(a, len(a) - 1, len(a[0]) - 1))
+  print(count(a, 0, 0))
 
-# 1535
+# 1535 330 (не знаю как починить с минимумом)
diff --git a/18/29.py b/18/29.py
index 01302fd..2244605 100644
--- a/18/29.py
+++ b/18/29.py
@@ -10,10 +10,7 @@ def add_10(matrix, x, y, dir):
   return 0
 
 
-# n = int(input())
-
 with open('./dat/18-J5.csv', 'r', encoding='utf-8-sig') as f:
-  # with open('./input.txt', 'r') as f:
   matrix = [[len(i.strip()) and int(i) for i in l.split(';')]
             for l in f.readlines()]
   arr = []
@@ -33,16 +30,4 @@ with open('./dat/18-J5.csv', 'r', encoding='utf-8-sig') as f:
         new_row.append(ns)
     arr.append(new_row)
 
-for row in matrix:
-  for el in row:
-    print(el, end=' ')
-  print()
-
-print("****************************Delimeter****************************")
-
-for row in arr:
-  for el in row:
-    print(el, end=' ')
-  print()
-
 print(arr[-1][-1])
diff --git a/18/36.cpp b/18/36.cpp
index 8604c0d..ff3b70b 100644
--- a/18/36.cpp
+++ b/18/36.cpp
@@ -3,6 +3,8 @@
 
 using namespace std;
 
+// 345 (Даже написал на плюсах, не знаю, что с ней не так)
+
 int main()
 {
   ifstream inp("dat/18-17.txt");
diff --git a/18/36.py b/18/36.py
index 0f913af..32cd2ef 100644
--- a/18/36.py
+++ b/18/36.py
@@ -1,4 +1,4 @@
-# 345
+# 345 (Даже написал на плюсах, не знаю, что с ней не так)
 
 with open('./dat/18-17.txt', 'r') as f:
   p = float('+inf')
diff --git a/18/42.py b/18/42.py
new file mode 100644
index 0000000..d76048b
--- /dev/null
+++ b/18/42.py
@@ -0,0 +1,21 @@
+def count(a: list[list[int]], i: int, j: int, prev: int, n: int):
+  if j == n or i == n or j == -1 or i == -1 or a[i][j] <= prev:
+    return 0
+  else:
+    summ = a[i][j]
+
+    summ += max(count(a, i+1, j, a[i][j], n), count(a, i, j+1, a[i][j], n),
+                count(a, i-1, j, a[i][j], n), count(a, i, j-1, a[i][j], n))
+    return summ
+
+
+with open('dat/18-k2.csv', 'r') as f:
+  a = [[int(i) for i in row.split()] for row in f.readlines()]
+  m = 0
+  for i in range(len(a)):
+    for j in range(len(a)):
+      m = max(m, count(a, i, j, -1, len(a)))
+
+print(m)
+
+# 446
diff --git a/18/72.py b/18/72.py
new file mode 100644
index 0000000..6f3388f
--- /dev/null
+++ b/18/72.py
@@ -0,0 +1,27 @@
+def count(a, i, j):
+  if i == -1 or j == -1:
+    return None
+
+  if a[i][j] > 100 and a[i][j] < 500:
+    return None
+
+  l = count(a, i, j-1)
+  t = count(a, i-1, j)
+
+  c = a[i][j] if a[i][j] % 3 == 0 or a[i][j] % 4 == 0 else 0
+
+  if l == None and t == None:
+    return [c, c]
+  if l == None:
+    return [c + t[0], c + t[1]]
+  if t == None:
+    return [c + l[0], c + l[1]]
+
+  return [c + max(t[0], l[0]), c + min(t[1], l[1])]
+
+
+a = [[int(i) for i in row.split(';')] for row in open('dat/18-11.csv', 'r')]
+
+print(count(a, len(a)-1, len(a[0])-1))
+
+# 1021 222
\ No newline at end of file