sudoku.c

@@ -88,6 +88,27 @@ void printDumpSudoku() {
     printf("+-------+-------+-------+\n");
 }
 
+void printDumpQuadrat(int q[]) {
+    for (int row = 0; row < 3; row++) {
+        if (row % 3 == 0) {
+            printf("+-------+\n");
+        }
+        for (int col = 0; col < 3; col++) {
+            if (col % 3 == 0) {
+                if (col != 0) {
+                    printf(" ");
+                }
+                printf("|");
+            }
+
+            int f = calculateField(row, col);
+            printf(" %d", q[f]);
+        }
+        printf(" |\n");
+    }
+    printf("+-------+\n");
+}
+
 // checks if this value is present anywhere in the row
 bool isInRow(int row, int val) {
     for (int col = 0; col < 9; col++) {
@@ -228,7 +249,7 @@ bool isInQuadrat(int q, int val) {
 void setValue(int q, int f, int val) {
     sudoku[q][f] = val;
     printf("=> setting %d in Q %d; F %d\n", val, q, f);
-    //printDumpSudoku();
+    printDumpSudoku();
 }
 
 int main() {
@@ -284,6 +305,7 @@ int main() {
             }
 
             // check if only one field is left undefined -> hast to be the one special value
+            int undefinedFound = VALUE_UNDEFINED;
             for (int f = 0; f < 9; f++) {
                 // keep in mind that sudoku array might have changed since evaluation
                 // -> ignore already set values
@@ -301,5 +323,5 @@ int main() {
         }
     } while (somethingChanged);
 
-    printDumpSudoku();
+    // next step: muss in Feld X sein, weil alle anderen Felder irgendwie anders belegt sein müssen (aber noch nicht sind)
 }