diff --git a/18/24.csv b/18/24.csv
new file mode 100644
index 0000000..b79f0eb
--- /dev/null
+++ b/18/24.csv
@@ -0,0 +1,5 @@
+10 ;20 ;10 ;30 ;40 
+101;101;30 ;15 ;50 
+5  ;7  ;8  ;200;1  
+6  ;-10;10 ;200;80
+-30;-10;11 ;12 ;1
\ No newline at end of file
diff --git a/18/24.py b/18/24.py
index 5c66e58..f2dd747 100644
--- a/18/24.py
+++ b/18/24.py
@@ -11,19 +11,31 @@ def count(a: list[list[int]], i: int, j: int) -> list[int]:
 
   c = a[i][j]
 
+  if r == None and b == None and i == len(a)-1 and j == len(a[0])-1:
+    return [[c, [[i, j]]], [c, [[i, j]]]]
   if r == None and b == None:
-    return [c, c]
+    return None
   if r == None:
-    return [c + b[0], c + b[1]]
+    return [[c + b[0][0], [*b[0][1], [i, j]]], [c + b[1][0], [*b[1][1], [i, j]]]]
   if b == None:
-    return [c + r[0], c + r[1]]
+    return [[c + r[0][0], [*r[0][1], [i, j]]], [c + r[1][0], [*r[1][1], [i, j]]]]
 
-  return [c + max(r[0], b[0]), c + min(r[1], b[1])]
+  mmax = max(r[0][0], b[0][0])
+  mmin = min(r[1][0], b[1][0])
+
+  Marr = r[0][1] if mmax == r[0][0] else b[0][1]
+  marr = r[1][1] if mmin == r[1][0] else b[1][1]
+
+  return [[c + mmax, [*Marr, [i, j]]], [c + mmin, [*marr, [i, j]]]]
 
 
 with open("dat/18-13.csv", 'r') as f:
-  a = [[int(i) for i in row.split(';')] for row in f.readlines()]
+# with open("24.csv", 'r') as f:
+  a = [[int(i.strip()) for i in row.split(';')] for row in f.readlines()]
 
-  print(count(a, 0, 0))
+  ret = count(a, 0, 0)
 
-# 1535 330 (не знаю как починить с минимумом)
+  print(ret[0])
+  print(ret[1])
+
+# 1535 975
diff --git a/18/36.cpp b/18/36.cpp
deleted file mode 100644
index ff3b70b..0000000
--- a/18/36.cpp
+++ /dev/null
@@ -1,36 +0,0 @@
-#include <iostream>
-#include <fstream>
-
-using namespace std;
-
-// 345 (Даже написал на плюсах, не знаю, что с ней не так)
-
-int main()
-{
-  ifstream inp("dat/18-17.txt");
-
-  double p = INT8_MAX;
-  double msum = INT8_MIN;
-  double sum = 0;
-
-  while (!inp.eof())
-  {
-    double n;
-    inp >> n;
-
-    if (n < p)
-    {
-      sum += n;
-      if (sum > msum)
-        msum = sum;
-    }
-    else
-      sum = 0;
-
-    p = n;
-  }
-
-  cout << (int)msum << endl;
-
-  return 0;
-}
\ No newline at end of file
diff --git a/18/36.py b/18/36.py
index 32cd2ef..c26fbe1 100644
--- a/18/36.py
+++ b/18/36.py
@@ -1,4 +1,4 @@
-# 345 (Даже написал на плюсах, не знаю, что с ней не так)
+# 495 (я дурашка)
 
 with open('./dat/18-17.txt', 'r') as f:
   p = float('+inf')
@@ -12,7 +12,7 @@ with open('./dat/18-17.txt', 'r') as f:
       if s > ms:
         ms = s
     else:
-      s = 0
+      s = n
     p = n
 
-print(ms)
+print(int(ms))
diff --git a/18/42.py b/18/41.py
similarity index 100%
rename from 18/42.py
rename to 18/41.py
diff --git a/18/72.py b/18/71.py
similarity index 87%
rename from 18/72.py
rename to 18/71.py
index 6f3388f..750b119 100644
--- a/18/72.py
+++ b/18/71.py
@@ -10,8 +10,10 @@ def count(a, i, 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:
+  if l == None and t == None and i == 0 and j == 0:
     return [c, c]
+  if l == None and t == None:
+    return None
   if l == None:
     return [c + t[0], c + t[1]]
   if t == None:
@@ -24,4 +26,4 @@ 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
+# 1021 222
diff --git a/18/dat/18-11.csv b/18/dat/18-11.csv
new file mode 100644
index 0000000..2b2137d
--- /dev/null
+++ b/18/dat/18-11.csv
@@ -0,0 +1,12 @@
+24;13;11;50;77;69;74;10;5;98;37;49
+81;85;55;97;56;93;160;46;45;31;28;51
+26;97;64;98;59;42;133;74;39;56;12;86
+11;83;18;93;64;48;5;97;6;14;58;78
+86;81;432;39;4;2;67;11;16;87;81;46
+81;17;28;24;18;89;1;10;42;58;39;7
+74;43;333;10;57;31;90;37;25;499;26;93
+142;56;45;57;37;13;4;9;34;62;87;94
+66;20;84;88;34;64;95;45;1;14;51;8
+37;14;22;16;9;60;38;38;48;24;42;82
+83;84;98;85;499;48;56;55;90;99;7;3
+23;64;76;32;65;15;81;57;83;48;61;68
diff --git a/18/dat/18-13.csv b/18/dat/18-13.csv
new file mode 100644
index 0000000..ceff5f9
--- /dev/null
+++ b/18/dat/18-13.csv
@@ -0,0 +1,12 @@
+58;85;-5;36;7;48;27;100;30;31;94;16
+47;13;32;46;100;34;144;31;74;96;25;92
+46;83;144;74;34;346;65;10;-10;20;40;52
+44;37;39;73;69;78;57;33;-16;40;82;19
+85;70;6;42;81;3;52;87;345;74;22;30
+96;23;91;77;333;20;72;120;15;86;48;57
+17;37;-100;50;87;47;94;62;45;26;34;58
+63;40;6;53;-22;12;94;53;54;42;1;25
+40;43;24;61;90;91;90;3;99;74;57;91
+90;72;123;92;19;58;72;56;28;43;62;59
+85;62;99;111;51;-91;72;13;54;47;64;94
+5;12;2;89;33;61;26;64;53;43;109;15
diff --git a/18/dat/18-13s.ods b/18/dat/18-13s.ods
new file mode 100644
index 0000000..5fdb2cf
Binary files /dev/null and b/18/dat/18-13s.ods differ
diff --git a/18/dat/18-2.csv b/18/dat/18-2.csv
new file mode 100644
index 0000000..4fb67ae
--- /dev/null
+++ b/18/dat/18-2.csv
@@ -0,0 +1,10 @@
+15;43;23;44;85;19;72;67;36;80
+100;48;92;64;91;61;71;2;82;74
+69;9;12;9;91;52;94;58;69;42
+53;42;18;58;93;55;48;76;18;13
+49;63;16;13;45;6;81;19;53;63
+49;53;23;44;61;2;2;63;88;16
+2;75;100;27;72;64;95;49;51;84
+64;68;17;16;18;2;30;57;86;6
+64;84;53;19;23;91;82;2;2;59
+72;47;56;85;9;26;47;48;91;91
diff --git a/18/dat/18-k1.csv b/18/dat/18-k1.csv
new file mode 100644
index 0000000..2bdcbf1
--- /dev/null
+++ b/18/dat/18-k1.csv
@@ -0,0 +1,300 @@
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diff --git a/18/dat/18-k2.csv b/18/dat/18-k2.csv
new file mode 100644
index 0000000..aeb8b34
--- /dev/null
+++ b/18/dat/18-k2.csv
@@ -0,0 +1,15 @@
+42 100 3 87 2 6 98 19 1 48 59 99 91 33 96
+15 32 6 94 38 32 74 16 85 7 14 31 4 35 93
+84 25 59 24 90 25 96 52 8 21 25 3 58 72 6
+43 38 54 81 37 35 24 98 94 14 62 86 75 47 57
+6 62 69 56 84 50 89 99 8 18 47 57 38 100 63
+55 36 34 12 93 77 45 44 84 56 8 25 29 57 60
+84 35 31 66 21 94 80 52 8 62 55 21 48 69 76
+10 77 83 82 35 5 24 12 35 35 72 57 34 49 88
+3 16 96 78 51 92 91 67 79 81 97 26 83 73 37
+36 95 25 46 91 84 33 82 98 53 8 70 52 39 63
+6 59 11 11 6 13 83 20 39 65 53 68 4 55 34
+27 60 15 42 15 24 12 57 20 9 1 79 29 46 60
+47 52 94 76 42 38 8 24 31 8 61 24 89 52 16
+92 21 56 57 61 68 41 29 11 62 2 38 27 97 56
+77 32 95 53 4 95 72 28 69 7 41 89 39 67 12
diff --git a/18/dat/18-k3.csv b/18/dat/18-k3.csv
new file mode 100644
index 0000000..f1f800d
--- /dev/null
+++ b/18/dat/18-k3.csv
@@ -0,0 +1,1000 @@
+123
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