Completed part 2 of number 4.

2 files changed, 63 insertions, 20 deletions

diff --git a/4a.c b/4a.c
index 4851248..0c2a3e5 100644
--- a/4a.c
+++ b/4a.c
@@ -31,7 +31,9 @@ int main(void)
     int x = 0;
     int y = 0;
     int i = 0;
-    int winner_board = -1;
+    int winner[MAX_BOARDS] = {0};
+    int winner_count = 1;
+    int last_board = 0;
     int winner_num = -1;
     int sum = 0;
 
@@ -68,7 +70,7 @@ int main(void)
         board_count++;
     }
 
-    for(i = 0; i < num_count && winner_board == -1; i++)
+    for(i = 0; i < num_count && winner_count != board_count + 1; i++)
     {
         for(f = 0; f < board_count; f++)
         {
@@ -78,50 +80,72 @@ int main(void)
                 {
                     if (board[f][y][x] == num[i])
                     {
-                        board[f][y][x] = 0;
+                        board[f][y][x] = -1;
                     }
                 }
             }
         }
 
-        for(f = 0; f < board_count && winner_board == -1; f++)
+        for(f = 0; f < board_count; f++)
         {
             for(y = 0; y < 5; y++)
             {
-                if (board[f][y][0] == 0 &&
-                    board[f][y][1] == 0 &&
-                    board[f][y][2] == 0 &&
-                    board[f][y][3] == 0 &&
-                    board[f][y][4] == 0)
+                if (board[f][y][0] == -1 &&
+                    board[f][y][1] == -1 &&
+                    board[f][y][2] == -1 &&
+                    board[f][y][3] == -1 &&
+                    board[f][y][4] == -1)
                 {
-                    winner_board = f;
-                    winner_num = num[i];
+                    if (winner[f] == 0)
+                    {
+                        winner[f] = winner_count++;
+                    }
                 }
             }
 
             for(x = 0; x < 5; x++)
             {
-                if (board[f][0][x] == 0 &&
-                    board[f][1][x] == 0 &&
-                    board[f][2][x] == 0 &&
-                    board[f][3][x] == 0 &&
-                    board[f][4][x] == 0)
+                if (board[f][0][x] == -1 &&
+                    board[f][1][x] == -1 &&
+                    board[f][2][x] == -1 &&
+                    board[f][3][x] == -1 &&
+                    board[f][4][x] == -1)
                 {
-                    winner_board = f;
-                    winner_num = num[i];
+                    if (winner[f] == 0)
+                    {
+                        winner[f] = winner_count++;
+                    }
                 }
             }
         }
+
+        winner_num = num[i];
     }
 
-    printf("winner_board = %d\n", winner_board);
+    printf("i/num_count = %d/%d\n", i, num_count);
+
+    for(f = 0; f < board_count; f++)
+    {
+        if (winner[f] == board_count)
+        {
+            last_board = f;
+        }
+    }
+
+    printf("board_count = %d\n", board_count);
     printf("winner_num = %d\n", winner_num);
+    printf("last_board = %d\n", f);
+
+    sum = 0;
 
     for(y = 0; y < 5; y++)
     {
         for(x = 0; x < 5; x++)
         {
-            sum += board[winner_board][y][x];
+            if (board[last_board][y][x] != -1)
+            {
+                sum += board[last_board][y][x];
+            }
         }
     }
 
diff --git a/data.4a b/data.4a
new file mode 100644
index 0000000..669a51d
--- /dev/null
+++ b/data.4a
@@ -0,0 +1,19 @@
+7,4,9,5,11,17,23,2,0,14,21,24,10,16,13,6,15,25,12,22,18,20,8,19,3,26,1
+
+22 13 17 11  0
+ 8  2 23  4 24
+21  9 14 16  7
+ 6 10  3 18  5
+ 1 12 20 15 19
+
+ 3 15  0  2 22
+ 9 18 13 17  5
+19  8  7 25 23
+20 11 10 24  4
+14 21 16 12  6
+
+14 21 17 24  4
+10 16 15  9 19
+18  8 23 26 20
+22 11 13  6  5
+ 2  0 12  3  7