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day11_part2.jakt
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day11_part2.jakt
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/// Expect:
/// - output: "90,101,15\n"
function main() {
let serial_number = 5468
let grid_size = 301i16
mut power_grid: [i16:[i16:i8]] = [:]
for x in 1i16..grid_size {
for y in 1i16..grid_size {
let rack_id = (x as! i64) + 10
let power_level = ((rack_id * (y as! i64)) + serial_number) * rack_id
mut hundreds_digit = 0u8
if power_level > 100 {
let digits = format("{}", power_level)
hundreds_digit = digits.byte_at(digits.length() - 3) - 48
}
let final_power_level = (hundreds_digit as! i8) - 5
if not power_grid.contains(x) {
power_grid[x] = [:]
}
power_grid[x][y] = final_power_level
}
}
mut largest_x_coord = 0i16
mut largest_y_coord = 0i16
mut largest_size = 0i16
mut largest_amount = 0
for x in 1i16..grid_size {
for y in 1i16..grid_size {
mut max_size = grid_size - x
if grid_size - y < max_size {
max_size = grid_size - y
}
mut amount = power_grid[x][y] as! i64
if max_size > 1 {
for size in 2..max_size {
for y_s in 0..size {
amount += power_grid[x+size-1][y+y_s] as! i64
}
for x_s in 0..(size-1) {
amount += power_grid[x+x_s][y+size-1] as! i64
}
if amount > largest_amount {
largest_x_coord = x
largest_y_coord = y
largest_size = size
largest_amount = amount
}
}
}
}
}
println("{},{},{}", largest_x_coord, largest_y_coord, largest_size)
}