Move files, finish day 2
This commit is contained in:
Petra
parent
52e88e6cab
commit
ab23636d1a
@ -1,8 +1,8 @@
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FC:=gfortran
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FFLAGS:=-Wall
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FFLAGS:=-Wall -Wno-maybe-uninitialized
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BIN:=./bin
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SRC:=./src
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BINS:=./bin/test.bin ./bin/day1.bin ./bin/day2.bin
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BINS:=./bin/test.bin ./bin/day01.bin ./bin/day02.bin ./bin/day02b.bin
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all: aoc19
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0
2019/data/day02.txt
Normal file
0
2019/data/day02.txt
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2
2019/data/day02alarm.txt
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2
2019/data/day02alarm.txt
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@ -0,0 +1,2 @@
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1,12,2,3,1,1,2,3,1,3,4,3,1,5,0,3,2,13,1,19,1,9,19,23,2,23,13,27,1,27,9,31,2,31,6,35,1,5,35,39,1,10,39,43,2,43,6,47,1,10,47,51,2,6,51,55,1,5,55,59,1,59,9,63,1,13,63,67,2,6,67,71,1,5,71,75,2,6,75,79,2,79,6,83,1,13,83,87,1,9,87,91,1,9,91,95,1,5,95,99,1,5,99,103,2,13,103,107,1,6,107,111,1,9,111,115,2,6,115,119,1,13,119,123,1,123,6,127,1,127,5,131,2,10,131,135,2,135,10,139,1,13,139,143,1,10,143,147,1,2,147,151,1,6,151,0,99,2,14,0,0
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1
2019/data/day02ex1.txt
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1
2019/data/day02ex1.txt
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@ -0,0 +1 @@
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1,9,10,3,2,3,11,0,99,30,40,50
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1
2019/data/day02ex2.txt
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1
2019/data/day02ex2.txt
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1,1,1,4,99,5,6,0,99
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94
2019/src/day02.f90
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94
2019/src/day02.f90
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@ -0,0 +1,94 @@
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program day2
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implicit none
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integer, parameter :: path_length = 100
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character(path_length) :: fname
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integer :: n_arguments
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integer, allocatable :: intcode(:)
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integer :: n_codes
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logical :: run_successful
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n_arguments = command_argument_count()
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if (n_arguments .eq. 1) then
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call get_command_argument(1, fname)
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print *, "File: ", fname
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else
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print *, "Wrong number of arguments: ", n_arguments
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stop
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end if
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intcode = read_intcode(fname)
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n_codes = size(intcode)
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print "(4i5)", intcode
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print *, "Running intcode"
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call execute_intcode(intcode, n_codes, run_successful)
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if (run_successful) then
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print *, "Clean exit"
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else
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print *, "ERROR!"
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end if
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print *
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print "(4i5)", intcode
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print *
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print *, "Value at position 0: ", intcode(0 + 1)
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deallocate(intcode)
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contains
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function read_intcode(fname)
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integer, parameter :: fstr_len = 10000
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character(*), intent(in) :: fname
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integer, allocatable :: read_intcode(:)
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character(fstr_len) :: fstr
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integer :: fstr_true_len
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integer :: n_values = 0
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integer :: i
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open(10, file=fname)
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read(10, "(A)") fstr
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close(10)
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fstr_true_len = len_trim(fstr)
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do i=1, fstr_true_len
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if (fstr(i:i) .eq. ',') n_values = n_values + 1
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end do
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allocate(read_intcode(0:n_values))
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read(fstr, *) read_intcode
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end function read_intcode
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subroutine execute_intcode(intcode, icodelen, clean_exit)
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integer, intent(inout) :: intcode(0:)
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integer, intent(in) :: icodelen
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logical, intent(out) :: clean_exit
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integer, parameter :: max_iterations = 10000
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integer :: code_line
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integer :: opcode
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integer :: ipos_1
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integer :: ipos_2
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integer :: opos
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integer :: op_result
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!print "(4i5)", intcode
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clean_exit = .false.
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do code_line = 0, max_iterations
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if (code_line * 4 .ge. icodelen) then
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print *, "Overran intcode looking for opcode at line ", code_line
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return
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end if
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opcode = intcode(code_line * 4)
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if (opcode .eq. 99) then
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print *, "Finished at line ", code_line
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clean_exit = .true.
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return
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end if
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ipos_1 = intcode(code_line * 4 + 1)
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ipos_2 = intcode(code_line * 4 + 2)
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opos = intcode(code_line * 4 + 3)
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if (opcode .eq. 1) then
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op_result = intcode(ipos_1) + intcode(ipos_2)
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intcode(opos) = op_result
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else if (opcode .eq. 2) then
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op_result = intcode(ipos_1) * intcode(ipos_2)
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intcode(opos) = op_result
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else
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print *, "Unknown opcode at line", code_line, " - ", opcode
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return
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end if
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end do
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end subroutine execute_intcode
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end program day2
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118
2019/src/day02b.f90
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118
2019/src/day02b.f90
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@ -0,0 +1,118 @@
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program day2b
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implicit none
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integer, parameter :: path_length = 100
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integer, parameter :: param_max = 100
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integer, parameter :: target_output = 19690720
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character(path_length) :: fname
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integer :: n_arguments
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integer, allocatable :: intcode(:)
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integer, allocatable :: test_intcode(:)
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integer :: n_codes
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logical :: run_successful, found_output
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integer :: param1, param2, i
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n_arguments = command_argument_count()
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if (n_arguments .eq. 1) then
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call get_command_argument(1, fname)
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print *, "File: ", fname
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else
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print *, "Wrong number of arguments: ", n_arguments
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stop
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end if
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intcode = read_intcode(fname)
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allocate(test_intcode(1:n_codes))
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n_codes = size(intcode)
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!print "(4i5)", intcode
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found_output = .false.
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do param1 = 0,param_max
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do param2 = 0,param_max
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do i=1,n_codes
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test_intcode(i) = intcode(i)
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end do
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test_intcode(2) = param1
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test_intcode(3) = param2
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!print *, "Running intcode", param1, param2
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call execute_intcode(test_intcode, n_codes, run_successful)
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if (.not. run_successful) then
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print *, "ERROR!"
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else if (test_intcode(1) .eq. target_output) then
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found_output = .true.
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exit
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end if
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end do
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if (found_output) then
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exit
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end if
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end do
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if (found_output) then
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print *, "Found combination of parameters to produce output:"
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print *, param1, param2
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print *, "Combined: ", param1 * 100 + param2
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else
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print *, "Failed to find input combination"
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end if
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deallocate(intcode)
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deallocate(test_intcode)
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contains
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function read_intcode(fname)
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integer, parameter :: fstr_len = 10000
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character(*), intent(in) :: fname
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integer, allocatable :: read_intcode(:)
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character(fstr_len) :: fstr
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integer :: fstr_true_len
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integer :: n_values = 0
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integer :: i
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open(10, file=fname)
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read(10, "(A)") fstr
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close(10)
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fstr_true_len = len_trim(fstr)
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do i=1, fstr_true_len
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if (fstr(i:i) .eq. ',') n_values = n_values + 1
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end do
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allocate(read_intcode(0:n_values))
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read(fstr, *) read_intcode
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end function read_intcode
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subroutine execute_intcode(intcode, icodelen, clean_exit)
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integer, intent(inout) :: intcode(0:)
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integer, intent(in) :: icodelen
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logical, intent(out) :: clean_exit
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integer, parameter :: max_iterations = 10000
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integer :: code_line
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integer :: opcode
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integer :: ipos_1
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integer :: ipos_2
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integer :: opos
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integer :: op_result
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!print "(4i5)", intcode
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clean_exit = .false.
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do code_line = 0, max_iterations
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if (code_line * 4 .ge. icodelen) then
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print *, "Overran intcode looking for opcode at line ", code_line
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return
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end if
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opcode = intcode(code_line * 4)
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if (opcode .eq. 99) then
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!print *, "Finished at line ", code_line
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clean_exit = .true.
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return
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end if
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ipos_1 = intcode(code_line * 4 + 1)
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ipos_2 = intcode(code_line * 4 + 2)
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opos = intcode(code_line * 4 + 3)
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if (opcode .eq. 1) then
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op_result = intcode(ipos_1) + intcode(ipos_2)
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intcode(opos) = op_result
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else if (opcode .eq. 2) then
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op_result = intcode(ipos_1) * intcode(ipos_2)
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intcode(opos) = op_result
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else
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print *, "Unknown opcode at line", code_line, " - ", opcode
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return
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end if
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end do
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end subroutine execute_intcode
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end program day2b
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@ -1,44 +0,0 @@
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program day2
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implicit none
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integer, parameter :: path_length = 100
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character(path_length) :: fname
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integer :: n_arguments
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integer, allocatable :: intcode(:)
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integer :: n_codes
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n_arguments = command_argument_count()
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if (n_arguments .eq. 1) then
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call get_command_argument(1, fname)
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print *, "File: ", fname
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else
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print *, "Wrong number of arguments: ", n_arguments
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stop
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end if
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intcode = read_intcode(fname)
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n_codes = size(intcode)
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print "(4i5)", intcode
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print *, n_codes
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deallocate(intcode)
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contains
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function read_intcode(fname)
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integer, parameter :: fstr_len = 10000
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character(*), intent(in) :: fname
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integer, allocatable :: read_intcode(:)
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character(fstr_len) :: fstr
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integer :: fstr_true_len
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integer :: n_values = 0
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integer :: i
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open(10, file=fname)
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read(10, "(A)") fstr
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close(10)
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fstr_true_len = len_trim(fstr)
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do i=1, fstr_true_len
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if (fstr(i:i) .eq. ',') n_values = n_values + 1
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end do
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allocate(read_intcode(0:n_values))
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print *, n_values
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read(fstr, *) read_intcode
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end function read_intcode
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end program day2
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