39 lines
1.1 KiB
Nim
39 lines
1.1 KiB
Nim
# Copyright 2021 Christian Ulrich
|
|
#
|
|
# This program is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
# usage: ./part1 < input
|
|
|
|
import sequtils
|
|
import strutils
|
|
|
|
proc distance(a, b: int16): int =
|
|
result = int(abs(b - a))
|
|
|
|
proc minimizeFuel(): int =
|
|
let crabs = readLine(stdin).split(',').mapIt(int16(parseUint(it)))
|
|
result = high(int)
|
|
for pos in crabs.min() .. crabs.max():
|
|
result = min(result, crabs.foldl(a + distance(b, pos), 0))
|
|
|
|
proc main(): int =
|
|
try:
|
|
echo minimizeFuel()
|
|
except Exception as error:
|
|
echo error.msg
|
|
result = -1
|
|
|
|
when isMainModule:
|
|
quit(main())
|