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39 lines
633 B
Go
39 lines
633 B
Go
package main
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import (
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"bufio"
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"log"
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"os"
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)
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// readlines reads lines from stdin.
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// it returns them as an array of strings
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func readlines() []string {
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lines := []string{}
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scanner := bufio.NewScanner(os.Stdin)
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for scanner.Scan() {
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lines = append(lines, scanner.Text())
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}
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if err := scanner.Err(); err != nil {
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log.Fatal(err)
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}
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return lines
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}
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// buildGraph parses lines into costs for graph
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func buildGraph(lines []string) [][]int {
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graph := make([][]int, len(lines))
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for i, line := range lines {
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graph[i] = make([]int, len(line))
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for j, r := range line {
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graph[i][j] = int(r - '0')
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}
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}
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return graph
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}
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