Pentomino tiling: Difference between revisions

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@@ Line 77: / Line 77: @@
         for (int i = 0; i < o.length; i += 2) {
-            if (r + o[i] < 0
+            int x = c + o[i + 1];
-                    || r + o[i] >= nRows
+            int y = r + o[i];
-                    || c + o[i + 1] < 0
+            if (x < 0 || x >= nCols || y < 0 || y >= nRows || grid[y][x] != -1)
-                    || c + o[i + 1] >= nCols
-                    || grid[r + o[i]][c + o[i + 1]] != -1)
                 return false;
         }