diff --git a/18/1.cpp b/18/1.cpp
new file mode 100644
index 0000000..5aba67b
--- /dev/null
+++ b/18/1.cpp
@@ -0,0 +1,7 @@
+#include <iostream>
+
+using namespace std;
+
+int main()
+{
+}
\ No newline at end of file
diff --git a/18/1.py b/18/1.py
index bc6bdff..c302ddf 100644
--- a/18/1.py
+++ b/18/1.py
@@ -1,5 +1,32 @@
-n = int(input())
+with open('./dat/18-6.txt', 'r') as f:
+  matrix = [[int(i) for i in e.split()] for e in f.readlines()]
+  arr = []
 
-with open('./input.txt', 'r') as f:
-  arr = [f.readline().split() for i in range(n)]
-  steps = (n - 1) * 2
\ No newline at end of file
+  for row_index, row in enumerate(matrix):
+    new_row = []
+    for el_index, el in enumerate(row):
+      if row_index == 0 and el_index == 0:
+        new_row.append([matrix[0][0]] * 2)
+      elif row_index == 0:
+        new_row.append([new_row[el_index-1][0] + el] * 2)
+      elif el_index == 0:
+        new_row.append([arr[row_index-1][el_index][0] + el] * 2)
+      else:
+        ns = [max([arr[row_index-1][el_index][0], new_row[el_index-1][0]]) + el,
+              min([arr[row_index-1][el_index][1], new_row[el_index-1][1]]) + el]
+        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/18/2.py b/18/2.py
new file mode 100644
index 0000000..01302fd
--- /dev/null
+++ b/18/2.py
@@ -0,0 +1,48 @@
+# 1222
+
+def add_10(matrix, x, y, dir):
+  if (dir):
+    if (x > 0 and x < len(matrix) - 1):
+      return 10 if (matrix[x-1][y] % 2 == 0 and matrix[x+1][y] % 2 == 0) or (matrix[x-1][y] % 2 == 1 and matrix[x+1][y] % 2 == 1) else 0
+  else:
+    if (y > 0 and y < len(matrix[x]) - 1):
+      return 10 if (matrix[x][y-1] % 2 == 0 and matrix[x][y+1] % 2 == 0) or (matrix[x][y-1] % 2 == 1 and matrix[x][y+1] % 2 == 1) else 0
+  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 = []
+
+  for row_index, row in enumerate(matrix):
+    new_row = []
+    for el_index, el in enumerate(row):
+      if row_index == 0 and el_index == 0:
+        new_row.append(el)
+      elif row_index == 0:
+        new_row.append(new_row[el_index-1] + el)
+      elif el_index == 0:
+        new_row.append(arr[row_index-1][el_index] + el)
+      else:
+        ns = min(arr[row_index-1][el_index] + add_10(matrix, row_index, el_index, 0),
+                 new_row[el_index-1] + add_10(matrix, row_index, el_index, 1)) + el
+        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/18/3.py b/18/3.py
new file mode 100644
index 0000000..489a0c7
--- /dev/null
+++ b/18/3.py
@@ -0,0 +1,18 @@
+# 345
+
+with open('./dat/18-17.txt', 'r') as f:
+  p = float('+inf')
+  s = 0
+  ms = float('-inf')
+
+  for sn in f.readlines():
+    n = float(sn)
+    if n < p:
+      s += n
+    else:
+      if s > ms:
+        ms = s
+      s = 0
+    p = n
+
+print(int(ms))
diff --git a/18/4.py b/18/4.py
new file mode 100644
index 0000000..415b3e2
--- /dev/null
+++ b/18/4.py
@@ -0,0 +1,18 @@
+# 29
+
+with open('./dat/18-77.txt', 'r') as f:
+  p = float(f.readline())
+  ms = float('-inf')
+  s = 0
+
+  for sn in f.readlines():
+    n = float(sn)
+    if abs(n - p) >= 20:
+      s += n
+      if s > ms:
+        ms = s
+    else:
+      s = 0
+    p = n
+
+print(int(ms))
diff --git a/18/dat/18-0.csv b/18/dat/18-0.csv
new file mode 100644
index 0000000..7af9d7b
--- /dev/null
+++ b/18/dat/18-0.csv
@@ -0,0 +1,10 @@
+51;21;93;48;45;100;67;39;18;29
+57;43;97;51;92;10;93;32;19;58
+63;16;31;16;78;88;90;72;37;67
+10;57;64;25;96;50;81;65;91;69
+99;43;95;7;40;76;18;34;5;65
+35;19;71;77;64;38;62;56;10;2
+100;57;27;26;51;33;100;11;53;1
+11;79;49;46;37;69;80;31;25;39
+22;71;20;23;11;12;39;16;64;34
+4;25;87;84;30;48;77;13;40;33
diff --git a/18/dat/18-0.xls b/18/dat/18-0.xls
new file mode 100644
index 0000000..8e7eea7
Binary files /dev/null and b/18/dat/18-0.xls differ
diff --git a/18/dat/18-0_ready.xls b/18/dat/18-0_ready.xls
new file mode 100644
index 0000000..ea12dcd
Binary files /dev/null and b/18/dat/18-0_ready.xls differ
diff --git a/18/dat/18-1.xls b/18/dat/18-1.xls
new file mode 100644
index 0000000..7cf5b8f
Binary files /dev/null and b/18/dat/18-1.xls differ
diff --git a/18/dat/18-10.xls b/18/dat/18-10.xls
new file mode 100644
index 0000000..786c98b
Binary files /dev/null and b/18/dat/18-10.xls differ
diff --git a/18/dat/18-11.xls b/18/dat/18-11.xls
new file mode 100644
index 0000000..d1ca880
Binary files /dev/null and b/18/dat/18-11.xls differ
diff --git a/18/dat/18-12.xls b/18/dat/18-12.xls
new file mode 100644
index 0000000..70e9241
Binary files /dev/null and b/18/dat/18-12.xls differ
diff --git a/18/dat/18-13.xls b/18/dat/18-13.xls
new file mode 100644
index 0000000..361d41c
Binary files /dev/null and b/18/dat/18-13.xls differ
diff --git a/18/dat/18-14.xls b/18/dat/18-14.xls
new file mode 100644
index 0000000..179ec74
Binary files /dev/null and b/18/dat/18-14.xls differ
diff --git a/18/dat/18-14_ready.xls b/18/dat/18-14_ready.xls
new file mode 100644
index 0000000..ca81fd5
Binary files /dev/null and b/18/dat/18-14_ready.xls differ
diff --git a/18/dat/18-15.xls b/18/dat/18-15.xls
new file mode 100644
index 0000000..b665932
Binary files /dev/null and b/18/dat/18-15.xls differ
diff --git a/18/dat/18-16.xls b/18/dat/18-16.xls
new file mode 100644
index 0000000..2c7e0d1
Binary files /dev/null and b/18/dat/18-16.xls differ
diff --git a/18/dat/18-17.txt b/18/dat/18-17.txt
new file mode 100644
index 0000000..4ef0632
--- /dev/null
+++ b/18/dat/18-17.txt
@@ -0,0 +1,500 @@
+115.36
+148.05
+31.52
+89.34
+82.87
+80.23
+78.93
+48.47
+58.82
+127.06
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+79.60
+29.54
+5.99
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+89.07
+25.34
+107.61
+32.93
+125.99
+35.51
+67.87
+69.19
+55.12
+105.86
+13.48
+102.54
+123.56
+6.56
+47.62
+88.94
+114.01
+8.00
+80.69
+34.98
+30.94
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+63.27
+15.61
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+58.25
+53.12
+23.19
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+145.18
+81.75
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+66.57
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+72.33
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+46.02
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+6.52
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+78.48
+140.00
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\ No newline at end of file
diff --git a/18/dat/18-17.xls b/18/dat/18-17.xls
new file mode 100644
index 0000000..45a43f0
Binary files /dev/null and b/18/dat/18-17.xls differ
diff --git a/18/dat/18-18.xls b/18/dat/18-18.xls
new file mode 100644
index 0000000..b9c244d
Binary files /dev/null and b/18/dat/18-18.xls differ
diff --git a/18/dat/18-2.xls b/18/dat/18-2.xls
new file mode 100644
index 0000000..cec443c
Binary files /dev/null and b/18/dat/18-2.xls differ
diff --git a/18/dat/18-3.xls b/18/dat/18-3.xls
new file mode 100644
index 0000000..e194522
Binary files /dev/null and b/18/dat/18-3.xls differ
diff --git a/18/dat/18-4.xls b/18/dat/18-4.xls
new file mode 100644
index 0000000..5a86057
Binary files /dev/null and b/18/dat/18-4.xls differ
diff --git a/18/dat/18-5.xls b/18/dat/18-5.xls
new file mode 100644
index 0000000..aefc5dd
Binary files /dev/null and b/18/dat/18-5.xls differ
diff --git a/18/dat/18-6.txt b/18/dat/18-6.txt
new file mode 100644
index 0000000..258fc88
--- /dev/null
+++ b/18/dat/18-6.txt
@@ -0,0 +1,10 @@
+48	65	28	73	28	74	61	58	59	49
+32	94	37	57	65	75	15	5	56	6
+17	90	74	85	84	66	12	42	99	30
+55	66	41	23	93	3	73	26	70	19
+84	87	74	90	68	48	40	97	10	43
+37	67	26	24	83	49	11	39	29	51
+3	31	99	92	81	3	49	51	32	55
+22	35	6	6	68	46	17	34	37	89
+41	63	58	32	17	32	59	82	91	33
+7	61	53	90	42	49	83	95	96	74
diff --git a/18/dat/18-6.xls b/18/dat/18-6.xls
new file mode 100644
index 0000000..99f5041
Binary files /dev/null and b/18/dat/18-6.xls differ
diff --git a/18/dat/18-7.xls b/18/dat/18-7.xls
new file mode 100644
index 0000000..a902e7c
Binary files /dev/null and b/18/dat/18-7.xls differ
diff --git a/18/dat/18-77.txt b/18/dat/18-77.txt
new file mode 100644
index 0000000..446dc97
--- /dev/null
+++ b/18/dat/18-77.txt
@@ -0,0 +1,1000 @@
+-0.67
+-0.65
+9.29
+5.22
+-10.54
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+-2.32
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+8.9
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+-1.12
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+-7.09
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+-2.16
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+-2.29
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+-0.01
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+6.39
+4.3
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+-1
+-17.92
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+-3.3
+-3.9
+-4.28
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+-4.7
+-13.72
+-8.6
+8.35
+-0.01
+5.66
+-17.73
+-19.67
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+-1.98
+-7.71
+8.8
+-16.14
+-1.56
+5.16
+3.1
+-19.1
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+-10.91
+-1.97
+-19.52
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+16.55
+-16.03
+11.88
+-2.24
+-3.91
+6.74
+16.94
+-19.18
+15.88
+-8.67
+-17.65
+5.26
+-5.22
+18.79
+-8.25
+-8.52
+11.66
+-0.24
+-15.11
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