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33 lines
572 B
Go
33 lines
572 B
Go
package two
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import (
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"strings"
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)
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type graph struct {
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startPoint point
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data []string
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}
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func newGraph(startPoint point, data []string) *graph {
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return &graph{startPoint: startPoint, data: data}
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}
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func (g *graph) String() string {
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return strings.Join(g.data, "\n")
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}
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func (g *graph) valueAt(x, y int) rune {
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return rune(g.data[y][x])
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}
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func (g *graph) trace(visited map[point]struct{}) string {
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for loc := range visited {
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if !(rune(g.data[loc.y][loc.x]) == 'O') {
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g.data[loc.y] = replaceAtIndex(g.data[loc.y], '+', loc.x)
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}
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}
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return g.String()
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}
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