highlight fucks in intermediate output

uckf.go

@@ -9,7 +9,7 @@ import (
 	"math/rand"
 )
 
-var edgeSize = flag.Int("n", 4, "Cells per side")
+var edgeSize = flag.Int("n", 8, "Cells per side")
 
 type scanState int
 const (
@@ -34,25 +34,25 @@ func main() {
 		board=append(board, fuckingRow)
 	}
 
-	dump(board, "Starting position")
-
 	var evals [][]fuckness
 	for i := 0; i < *edgeSize; i++ {
 		evals = append(evals, make([]fuckness, *edgeSize))
 	}
 
+	dump(board, evals, "Starting position")
+
 	iterations := uint64(0)
 	scream := uint64(1)
 	for(isStillFucked(board, evals)) {
-		fuckUp(board, evals)
-		iterations++
 		if iterations >= scream {
-			dump(board, fmt.Sprint("Iteration", iterations))
+			dump(board, evals, fmt.Sprint("Iteration", iterations))
 			scream = iterations << 1
 		}
+		iterations++
+		fuckUp(board, evals)
 	}
 
-	dump(board, "Not a single fuck")
+	dump(board, evals, "Not a single fuck")
 }
 
 func onBoard(i, j int) bool {
@@ -127,7 +127,7 @@ func mightBeFucked(f fuckness) bool {
 			if i == 1 && j == 1 {
 				continue
 			}
-			if f[i][j] == NotFucked {
+			if f[i][j] != NotFucked {
 				return true
 			}
 		}
@@ -142,7 +142,7 @@ func fuckUp(board [][]byte, evals [][]fuckness) {
 			if isFucked(e) {
 				todo = append(todo, [2]int{i, j})
 			} else if mightBeFucked(e) {
-				dump(board, "Oh fuck")
+				dump(board, evals, "Oh fuck")
 				log.Fatalf("unevaluated fuckness at %d, %d: %v", i, j, e)
 			}
 		}
@@ -195,7 +195,7 @@ func unevaluate(evals [][]fuckness, i, j int) {
 	}
 }
 
-func dump(board [][]byte, title string) {
+func dump(board [][]byte, evals [][]fuckness, title string) {
 	fmt.Println()
 	for i := 0; i < *edgeSize; i++ {
 		fmt.Print("--")
@@ -203,10 +203,14 @@ func dump(board [][]byte, title string) {
 	fmt.Println()
 	fmt.Println(title)
 	fmt.Println()
-	for _, row := range board {
+	for i, row := range board {
-		for _, r := range row {
+		for j, r := range row {
+			if isFucked(evals[i][j]) {
+				fmt.Printf("%c ", "FUCK"[r])
+			} else {
 				fmt.Printf("%c ", "fuck"[r])
 			}
+		}
 		fmt.Println()
 	}
 }