64 lines
960 B
Go
64 lines
960 B
Go
package main
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import (
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"bufio"
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"fmt"
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"os"
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)
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var (
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grid [][]byte = make([][]byte, 0)
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width, height int
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)
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func isMin(x, y int) bool {
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var left, right, top, bottom byte
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if x == 0 {
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left = '9'
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} else {
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left = grid[x-1][y]
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}
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if x == height-1 {
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right = '9'
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} else {
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right = grid[x+1][y]
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}
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if y == 0 {
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top = '9'
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} else {
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top = grid[x][y-1]
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}
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if y == width-1 {
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bottom = '9'
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} else {
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bottom = grid[x][y+1]
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}
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return grid[x][y] < top && grid[x][y] < bottom && grid[x][y] < left && grid[x][y] < right
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}
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func main() {
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s := bufio.NewScanner(os.Stdin)
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s.Scan()
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width = len(s.Text())
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for {
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line := make([]byte, width)
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for i, ch := range s.Text() {
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line[i] = byte(ch)
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}
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grid = append(grid, line)
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if !s.Scan() {
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break
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}
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}
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height = len(grid)
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score := 0
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for y := 0; y < width; y++ {
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for x := 0; x < height; x++ {
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if isMin(x, y) {
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score += int(grid[x][y]-'0') + 1
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}
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}
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}
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fmt.Println(score)
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}
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