diff --git a/2023/Makefile b/2023/Makefile index 74c550f..1939398 100644 --- a/2023/Makefile +++ b/2023/Makefile @@ -2,7 +2,7 @@ FC:=gfortran FFLAGS:=-Wall -Wno-maybe-uninitialized BIN:=./bin SRC:=./src -BINS:=./bin/day01.bin ./bin/day01b.bin ./bin/day02.bin ./bin/day03.bin ./bin/day04.bin +BINS:=./bin/day01.bin ./bin/day01b.bin ./bin/day02.bin ./bin/day03.bin ./bin/day04.bin ./bin/day05.bin all: aoc19 diff --git a/2023/data/day05.txt b/2023/data/day05.txt new file mode 100644 index 0000000..d93c0e7 --- /dev/null +++ b/2023/data/day05.txt @@ -0,0 +1,243 @@ +seeds: 1514493331 295250933 3793791524 105394212 828589016 654882197 658370118 49359719 4055197159 59237418 314462259 268880047 2249227634 74967914 2370414906 38444198 3291001718 85800943 2102534948 5923540 + +seed-to-soil map: +3352941879 1247490906 129850502 +1738919961 2189748071 56658550 +1795578511 292133467 518088747 +1519757661 1666834550 130335907 +1650093568 133993362 88826393 +2813914030 2262539545 40894545 +2698412916 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3296078428 29820095 +2498545689 0 60287808 +3431846101 2911222456 13780168 +1882919774 2320929969 97257285 diff --git a/2023/data/day05ex1.txt b/2023/data/day05ex1.txt new file mode 100644 index 0000000..f756727 --- /dev/null +++ b/2023/data/day05ex1.txt @@ -0,0 +1,33 @@ +seeds: 79 14 55 13 + +seed-to-soil map: +50 98 2 +52 50 48 + +soil-to-fertilizer map: +0 15 37 +37 52 2 +39 0 15 + +fertilizer-to-water map: +49 53 8 +0 11 42 +42 0 7 +57 7 4 + +water-to-light map: +88 18 7 +18 25 70 + +light-to-temperature map: +45 77 23 +81 45 19 +68 64 13 + +temperature-to-humidity map: +0 69 1 +1 0 69 + +humidity-to-location map: +60 56 37 +56 93 4 diff --git a/2023/src/day05.f90 b/2023/src/day05.f90 new file mode 100644 index 0000000..a39f26a --- /dev/null +++ b/2023/src/day05.f90 @@ -0,0 +1,109 @@ +program day5 + implicit none + integer, parameter :: i_kind = selected_int_kind(20) + integer, parameter :: max_chars = 300 + integer, parameter :: max_iter = 20 + character(200) :: fname + character(max_chars) :: fline + integer :: n_arguments + integer :: istat + integer(kind=i_kind), allocatable :: seedvals(:) + integer(kind=i_kind), allocatable :: dat_source(:), dat_dest(:) + integer(kind=i_kind) :: ldat(1:3) + logical, allocatable :: dat_point_found(:) + integer :: pos_col, num_seeds, num_chars, i, sec + integer(kind=i_kind) :: s_min, d_min, r_len, source_val + integer(kind=i_kind) :: min_val + integer :: min_index + + print *, "Number of bits: ", i_kind * 8 + n_arguments = command_argument_count() + if (n_arguments .eq. 1) then + call get_command_argument(1, fname) + print *, "File: ", trim(fname) + print * + else + print *, "Wrong number of arguments: ", n_arguments + stop + end if + + open(10, file=fname) + read(10, "(A)", iostat = istat) fline + pos_col = scan(fline, ":") + num_seeds = 0 + num_chars = len_trim(fline) + do i=pos_col + 1,num_chars + if (fline(i:i) .eq. ' ') then + num_seeds = num_seeds + 1 + end if + end do + print *, "Number of seeds: ", num_seeds + allocate(seedvals(1:num_seeds)) + allocate(dat_source(1:num_seeds)) + allocate(dat_dest(1:num_seeds)) + allocate(dat_point_found(1:num_seeds)) + + read(fline((pos_col + 1):(num_chars)), *) seedvals + + read(10, "(A)", iostat = istat) fline + dat_dest = seedvals + do sec=1, max_iter + dat_source = dat_dest + dat_dest = 0 + dat_point_found = .false. + read(10, "(A)", iostat = istat) fline + if (is_iostat_end(istat)) then + exit + end if + do + read(10, "(A)", iostat = istat) fline + num_chars = len_trim(fline) + if (is_iostat_end(istat) .or. (num_chars .eq. 0)) then + exit + end if + read(fline, *) ldat + s_min = ldat(2) + d_min = ldat(1) + r_len = ldat(3) + do i=1,num_seeds + source_val = dat_source(i) + if ((source_val .ge. s_min) .and. (source_val .lt. (s_min + r_len))) then + dat_point_found(i) = .true. + dat_dest(i) = source_val - s_min + d_min + !write(*, 20) ldat(1), ldat(2), ldat(3), source_val, dat_dest(i) + end if + end do + end do + do i=1,num_seeds + if (.not. dat_point_found(i)) then + dat_dest(i) = dat_source(i) + !write(*, 21) i, dat_dest(i), dat_dest(i) + end if + end do + !print * + if (is_iostat_end(istat)) then + exit + end if + end do + close(10) + + min_val = huge(min_val) + min_index = -1 + do i=1,num_seeds + if (dat_dest(i) .lt. min_val) then + min_index = 1 + min_val = dat_dest(i) + end if + end do + print "(a, i11)", "Minimum location number: ", min_val + + + deallocate(seedvals) + deallocate(dat_source) + deallocate(dat_dest) + deallocate(dat_point_found) + +!20 format(i4, i4, i4, ': ', i4, ' -> ', i4) +!21 format(i4, ': ', i4, ' -> ', i4) + +end program day5