part 1 done part 2 wip

4 files changed, 1140 insertions, 1 deletions

diff --git a/2024/.gitignore b/2024/.gitignore
index 37a31d7..26fcaf5 100644
--- a/2024/.gitignore
+++ b/2024/.gitignore
@@ -1,3 +1,2 @@
 *.mod
 *.out
-./bin
diff --git a/2024/day_02.f90 b/2024/day_02.f90
new file mode 100644
index 0000000..f60a9bb
--- /dev/null
+++ b/2024/day_02.f90
@@ -0,0 +1,54 @@
+program day_02
+  implicit none
+  logical :: is_decrement, fail
+  integer :: io, i,x, spaces, res
+  integer, dimension(:), allocatable :: list
+  character(len=100) :: line
+
+  open(newunit=io, file='./day_02_input.txt', status='old', action='read')
+
+  res = 0
+  do i = 1, 1000 
+    read(io, '(a)') line ! reading the line 
+    spaces = 1 ! reset space count
+    do x = 1, len(trim(line))
+      ! counting spaces to see how big of an array we need to allocate
+      if(iachar(line(x:x))== 32 ) then
+        spaces = spaces+1 
+      end if
+    end do
+
+    allocate(list(spaces))
+    read(line, *) list !reading the ints into an array
+    fail = .false.
+      
+    do x = 1, size(list) -1
+      if (list(x) == list(x+1)) then 
+        fail = .true.
+        exit
+      end if
+      if(x == 1 .and. list(x) > list(x+1)) then
+        is_decrement = .true.
+      else if (x==1 .and. list(x) < list(x+1)) then
+        is_decrement = .false.
+      end if
+      
+      if(is_decrement)  then
+        if (list(x) < list(x+1) .or. abs(list(x) - list(x+1)) > 3) then 
+         fail = .true.
+         exit 
+        end if
+      else
+        if (list(x) >  list(x+1) .or. abs(list(x) - list(x+1)) > 3) then 
+          fail = .true.
+          exit 
+        end if
+      end if
+    end do
+    if (fail .eqv. .false.) then
+     res = res + 1 
+    endif
+    deallocate(list)
+  end do
+  print*, res 
+end program day_02
diff --git a/2024/day_02_input.txt b/2024/day_02_input.txt
new file mode 100644
index 0000000..21576b4
--- /dev/null
+++ b/2024/day_02_input.txt
@@ -0,0 +1,1000 @@
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diff --git a/2024/day_02_part_2.f90 b/2024/day_02_part_2.f90
new file mode 100644
index 0000000..affae98
--- /dev/null
+++ b/2024/day_02_part_2.f90
@@ -0,0 +1,86 @@
+module day2_utils 
+  implicit none
+  contains
+  subroutine has_fail_value(list, res) 
+    implicit none
+    integer, allocatable, intent(in) :: list(:)
+    integer :: i
+    integer, intent(out):: res
+    logical is_decrement
+
+    res = -1 
+    do i = 1, size(list) - 1
+    if (list(i) == list(i+1)) then 
+       res= i 
+       exit
+      end if
+      if(i == 1 .and. list(i) > list(i+1)) then
+        is_decrement = .true.
+      else if (i==1 .and. list(i) < list(i+1)) then
+        is_decrement = .false.
+      end if
+      
+      if(is_decrement)  then
+        if (list(i) < list(i+1) .or. abs(list(i) - list(i+1)) > 3) then 
+         res = i 
+          exit
+        end if
+      else
+        if (list(i) >  list(i+1) .or. abs(list(i) - list(i+1)) > 3) then 
+          res = i
+          exit
+        end if
+      end if
+    end do
+  end subroutine has_fail_value
+end module day2_utils
+
+program day_02_part_2
+  use day2_utils
+  implicit none
+  logical :: is_decrement 
+  integer :: io, i,x,y, fail, spaces, res
+  integer, dimension(:), allocatable :: list, list2
+  character(len=100) :: line
+
+  open(newunit=io, file='./day_02_input.txt', status='old', action='read')
+
+  res = 0
+  do i = 1, 1000 
+    read(io, '(a)') line ! reading the line 
+    spaces = 1 ! reset space count
+    do x = 1, len(trim(line))
+      ! counting spaces to see how big of an array we need to allocate
+      if(iachar(line(x:x))== 32 ) then
+        spaces = spaces+1 
+      end if
+    end do
+
+    allocate(list(spaces))
+    read(line, *) list !reading the ints into an array
+    fail = -1
+    call has_fail_value(list, fail) 
+    if (fail > 0) then 
+      y = 1
+      allocate(list2(spaces -1))
+      do x = 1, size(list)
+        if(x /= fail) then
+          list2(y) = list(x)
+          y = y+1
+        end if
+      end do
+      fail = -1
+      call has_fail_value(list2, fail)
+      if(fail > 0) then
+        print*, list2(:)
+       end if
+      deallocate(list2)
+
+     end if
+     if (fail == -1) then
+     res = res + 1 
+    endif
+    deallocate(list)
+  end do
+  print*, res 
+end program day_02_part_2